Sample viewer

vx.netlux.org/Virus.DOS.Mayak.2370

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:51:09.080086173Z 254 PC: 1368d | UNKNOWN!
2018-12-17T22:51:09.081568628Z 42 PC: 136c0 | Get date 0x136c0: call 0x13777
0x136c3: mov word ptr [si + 0x48], ax
0x136c7: mov ax, 0x3d00
0x136ca: lea dx, word ptr [si + 0x53]
0x136ce: int3
0x136cf: mov bx, ax
0x136d1: jae 0x136d4
0x136d3: ret
0x136d4: mov ah, 0x3f
0x136d6: lea dx, word ptr [si + 0x9a2]
0x136da: mov cx, 0x28
0x136dd: int3
0x136de: and ax, ax
0x136e0: jne 0x136e5
0x136e2: jmp 0x13773
0x136e5: mov cx, ax
0x136e7: mov di, dx
0x136e9: mov al, 0xd
0x136eb: cld
0x136ec: repne scasb al, byte ptr es:[di]
2018-12-17T22:51:09.084721278Z 61 PC: 136cf | Open file (Filename = 'c:\config.sys')
2018-12-17T22:51:09.091096879Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.096895172Z 66 PC: 13700 | Move file pointer
2018-12-17T22:51:09.099655879Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.102430676Z 66 PC: 13700 | Move file pointer
2018-12-17T22:51:09.104185187Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.107716972Z 66 PC: 13700 | Move file pointer
2018-12-17T22:51:09.109345385Z 61 PC: 13762 | Open file (Filename = 'C:\WINDOWS\HIMEM.SYS')
2018-12-17T22:51:09.119821582Z 66 PC: 1381e | Move file pointer
2018-12-17T22:51:09.12194462Z 66 PC: 137f7 | Move file pointer
2018-12-17T22:51:09.12333756Z 63 PC: 1383b | Read file or device (Read 6 bytes on handle 6)
2018-12-17T22:51:09.129173082Z 87 PC: 1386c | Get or set file date and time
2018-12-17T22:51:09.131633185Z 90 PC: 138b7 | Create unique file
2018-12-17T22:51:09.473173696Z 62 PC: 138be | Close file
2018-12-17T22:51:09.47564192Z 65 PC: 138c3 | Delete file (Filename = 'c:\ABAACBEG')
2018-12-17T22:51:09.485592488Z 63 PC: 1394b | Read file or device (Read 2 bytes on handle 6)
2018-12-17T22:51:09.489420555Z 63 PC: 13955 | Read file or device (Read 2 bytes on handle 6)
2018-12-17T22:51:09.49282178Z 66 PC: 137f7 | Move file pointer
2018-12-17T22:51:09.495707002Z 63 PC: 13966 | Read file or device (Read 5 bytes on handle 6)
2018-12-17T22:51:09.502078261Z 66 PC: 13808 | Move file pointer
2018-12-17T22:51:09.503563359Z 66 PC: 137f7 | Move file pointer
2018-12-17T22:51:09.505130887Z 64 PC: 13985 | Write file or device (Write 2 bytes on handle 6)
2018-12-17T22:51:09.508625626Z 66 PC: 137f7 | Move file pointer
2018-12-17T22:51:09.520944039Z 64 PC: 13996 | Write file or device (Write 5 bytes on handle 6)
2018-12-17T22:51:09.523969615Z 66 PC: 13808 | Move file pointer
2018-12-17T22:51:09.525566069Z 64 PC: 138e2 | Write file or device (Write 2370 bytes on handle 6)
2018-12-17T22:51:09.548519551Z 87 PC: 13a56 | Get or set file date and time
2018-12-17T22:51:09.550855679Z 66 PC: 13917 | Move file pointer
2018-12-17T22:51:09.553480157Z 62 PC: 1376f | Close file
2018-12-17T22:51:09.562012772Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.565155614Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.569649006Z 66 PC: 13700 | Move file pointer
2018-12-17T22:51:09.571677183Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.574536103Z 66 PC: 13700 | Move file pointer
2018-12-17T22:51:09.577210105Z 63 PC: 136de | Read file or device (Read 40 bytes on handle 5)
2018-12-17T22:51:09.579384329Z 62 PC: 13776 | Close file
2018-12-17T22:51:09.581906564Z 9 PC: 12a61 | Display string (String= '������� ��� ������� ')