Sample viewer

vx.netlux.org/Virus.DOS.Corea.Nambul.2092

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:07:30.350261037Z 44 PC: 145e8 | Get time 0x145e8: ret
0x145e9: add byte ptr [di], al
0x145eb: add byte ptr [si + 0x10], bh
0x145ee: sbb al, 1
0x145f0: push ss
0x145f1: adc bl, byte ptr [bp + 0x59]
0x145f4: push ds
0x145f5: xor dh, byte ptr [bx]
0x145f7: jae 0x1460b
0x145fa: sub dh, byte ptr [bp + di + 0x1e]
0x145fd: sbb al, 5
0x145ff: jnp 0x1461f
0x14601: xor ah, byte ptr [bx + si]
0x14603: daa
0x14604: and word ptr ss:[bp + di + 0x1c], si
0x14608: xor ax, 0x573
0x1460b: cmp ah, byte ptr [bx + di]
0x1460d: and byte ptr es:[bp + si + 0x5e], bh
0x14611: pop cx
0x14612: or byte ptr [di], bl
2018-12-17T23:07:30.353616304Z 78 PC: 145e8 | Find first file
2018-12-17T23:07:30.360693498Z 48 PC: 13ed3 | Get DOS version
2018-12-17T23:07:30.362359059Z 53 PC: 145e8 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T23:07:30.364542663Z 9 PC: 12a85 | Display string (String= 'Sophos Ltd, Oxford sacrificial COM goat 1400H bytes long ')
2018-12-17T23:07:30.370966408Z 0 PC: 12a89 | Program terminate