Sample viewer

vx.netlux.org/Virus.DOS.Vesna.1833

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:43:38.610992042Z 48 PC: 12c81 | Get DOS version
2018-12-17T22:43:38.612981211Z 47 PC: 12c81 | Get disk transfer address
2018-12-17T22:43:38.629462185Z 26 PC: 12c81 | Set disk transfer address
2018-12-17T22:43:38.631280131Z 78 PC: 12c81 | Find first file
2018-12-17T22:43:38.645515214Z 47 PC: 12c81 | Get disk transfer address
2018-12-17T22:43:38.647154928Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.653082873Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.67074548Z 61 PC: 12c81 | Open file (Filename = 'TEST.EXE')
2018-12-17T22:43:38.678039495Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:38.679990007Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.682803559Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.685039173Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:38.687814202Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:38.689548367Z 62 PC: 12c81 | Close file
2018-12-17T22:43:38.697145946Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.706952223Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:38.709400156Z 78 PC: 12c81 | Find first file
2018-12-17T22:43:38.715893302Z 47 PC: 12c81 | Get disk transfer address
2018-12-17T22:43:38.717243128Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.722924312Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.733695255Z 61 PC: 12c81 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:43:38.745056289Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:38.746786168Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.749649571Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.752061901Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:38.758657015Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.761009861Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:38.763586226Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.764866929Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:38.768248428Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.773579197Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:38.926279459Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:38.93051869Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:38.936834787Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:38.938532414Z 62 PC: 12c81 | Close file
2018-12-17T22:43:38.985379133Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:38.999316875Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.002157407Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.007552506Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.020485845Z 61 PC: 12c81 | Open file (Filename = 'PRINT.COM')
2018-12-17T22:43:39.026834218Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.028153551Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.030156046Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.031281944Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.035506219Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.037487949Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.039374479Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.040531577Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.043093889Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.045028901Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.058622138Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.060801694Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.067330824Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.069228337Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.091297965Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.100994639Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.103100104Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.1069933Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.113903326Z 61 PC: 12c81 | Open file (Filename = 'HELLO.COM')
2018-12-17T22:43:39.118265047Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.119480734Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.120943117Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.122040935Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.12620566Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.128154749Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.130032779Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.131322718Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.134729364Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.136100295Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.141885053Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.143938784Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.14812447Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.14925526Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.155026488Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.161238921Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.163012807Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.167008686Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.175608594Z 61 PC: 12c81 | Open file (Filename = 'PHANG.COM')
2018-12-17T22:43:39.183373925Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.185724736Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.187009305Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.188250755Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.193257578Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.194949695Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.197913322Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.200531177Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.203509286Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.205246057Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.215125081Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.21659138Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.222663339Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.225991555Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.233823343Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.243397451Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.247113118Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.253445936Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.263550159Z 61 PC: 12c81 | Open file (Filename = 'PRINTA~1.COM')
2018-12-17T22:43:39.270728487Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.272225968Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.27384152Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.276061575Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.282594999Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.283991667Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.286920288Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.289162308Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.291924848Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.293528865Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.302926282Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.30441537Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.310789736Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.313861861Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.321530115Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.331770755Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.335956787Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.342086594Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.352221082Z 61 PC: 12c81 | Open file (Filename = 'MANDEL.COM')
2018-12-17T22:43:39.360304628Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.36203102Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.363736589Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.366856201Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.37331776Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.376334323Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.381031173Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.383537135Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.394637301Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.397394934Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.406491231Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.407946645Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.415269803Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.417179345Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.425000587Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.435389323Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.437963354Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.4432955Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.455081164Z 61 PC: 12c81 | Open file (Filename = 'PAH.COM')
2018-12-17T22:43:39.466520955Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.467987234Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.469687062Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.471910216Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.478133788Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.47960519Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.483534203Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.484987236Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.487664623Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.490390465Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.498492175Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.499669884Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.504503709Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.506002564Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.513937917Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.524835351Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.527638022Z 78 PC: 12c81 | Find first file
2018-12-17T22:43:39.534620842Z 47 PC: 12c81 | Get disk transfer address
2018-12-17T22:43:39.538001098Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.543174763Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.885907376Z 61 PC: 12c81 | Open file (Filename = 'c:\COMMAND.COM')
2018-12-17T22:43:39.893542839Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.895401357Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.896897731Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.898751427Z 63 PC: 12c81 | Read file or device (Read 11 bytes on handle 5)
2018-12-17T22:43:39.900619821Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.901743156Z 64 PC: 12c81 | Write file or device (Write 11 bytes on handle 5)
2018-12-17T22:43:39.904230408Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.905359816Z 64 PC: 12c81 | Write file or device (Write 58 bytes on handle 5)
2018-12-17T22:43:39.907528349Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.909319336Z 64 PC: 12c81 | Write file or device (Write 1833 bytes on handle 5)
2018-12-17T22:43:39.91550412Z 66 PC: 12c81 | Move file pointer
2018-12-17T22:43:39.916594561Z 63 PC: 12c81 | Read file or device (Read 24 bytes on handle 5)
2018-12-17T22:43:39.919023354Z 87 PC: 12c81 | Get or set file date and time
2018-12-17T22:43:39.920257396Z 62 PC: 12c81 | Close file
2018-12-17T22:43:39.924956046Z 67 PC: 12c81 | Get or set file attributes
2018-12-17T22:43:39.931137272Z 79 PC: 12c81 | Find next file
2018-12-17T22:43:39.932954617Z 78 PC: 12c81 | Find first file
2018-12-17T22:43:39.937520296Z 78 PC: 12c81 | Find first file
2018-12-17T22:43:39.942408853Z 42 PC: 12c81 | Get date 0x12c81: ret
0x12c82: push ax
0x12c83: push bx
0x12c84: push cx
0x12c85: push dx
0x12c86: push si
0x12c87: push di
0x12c88: jmp 0x12cb5
0x12c8a: nop
0x12c8b: mov ax, cs
0x12c8d: add ax, 0xd5b
0x12c90: push ax
0x12c91: mov ax, 0xc5
0x12c94: push ax
0x12c95: retf
0x12c96: add byte ptr [di + 0xe], al
0x12c9a: add byte ptr [di + 0x12], dl
0x12c9e: add byte ptr [bx + si], al
0x12ca0: add byte ptr [bx + si], al
0x12ca2: add byte ptr [si + 0x5c0], cl
2018-12-17T22:43:39.944437916Z 42 PC: 12c81 | Get date 0x12c81: ret
0x12c82: push ax
0x12c83: push bx
0x12c84: push cx
0x12c85: push dx
0x12c86: push si
0x12c87: push di
0x12c88: jmp 0x12cb5
0x12c8a: nop
0x12c8b: mov ax, cs
0x12c8d: add ax, 0xd5b
0x12c90: push ax
0x12c91: mov ax, 0xc5
0x12c94: push ax
0x12c95: retf
0x12c96: add byte ptr [di + 0xe], al
0x12c9a: add byte ptr [di + 0x12], dl
0x12c9e: add byte ptr [bx + si], al
0x12ca0: add byte ptr [bx + si], al
0x12ca2: add byte ptr [si + 0x5c0], cl
2018-12-17T22:43:39.946233508Z 26 PC: 12c81 | Set disk transfer address
2018-12-17T22:43:39.94767194Z 76 PC: 12a45 | Terminate with return code (Return code = '1')