cnc dos[.]exe | Triage™

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General

Target
cnc dos.exe
Size 150KB
Sample260929-pdbd3sha26
SHA256 85ba3681b2db85b2f582b19037390b52e86f8f5d8b843882612366d09028000b
MD5 1ebc28a010ecedf092ebf118b9c0f329
SHA1 9f8db7b10533ba7823062ac3cd4e8e25397a8e60
SHA512 dbaa5900f30fcf3e97a736cf63bb6a15c1375b14faef49880c60d64c4fc3a922279b98e3377001b6a337959290e1ed429f4ca596e0ae05c1b94e49e0a955a349
SSDEEP 3072:05Q1vx+wD2n5/AV8eccJP5L50gX8gdKVh8rr6O8I10g+Xrdt:05QWTeccJP5L5Fdo8rr6m10g+Xrdt
TLSH
T136E3D6B173E68CCDD656927C91C7D362263EF9E082239B0B4230A6311F17E817ED765A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cnc dos.exe

File Explorer

cnc dos.exe

.exe 150KB

cnc dos.exe

IMPHASH 82781678f7533cd2c47af537516f74e2
SHA256 85ba3681b2db85b2f582b19037390b52e86f8f5d8b843882612366d09028000b
MD5 1ebc28a010ecedf092ebf118b9c0f329
SHA1 9f8db7b10533ba7823062ac3cd4e8e25397a8e60
SHA512 dbaa5900f30fcf3e97a736cf63bb6a15c1375b14faef49880c60d64c4fc3a922279b98e3377001b6a337959290e1ed429f4ca596e0ae05c1b94e49e0a955a349
SSDEEP 3072:05Q1vx+wD2n5/AV8eccJP5L50gX8gdKVh8rr6O8I10g+Xrdt:05QWTeccJP5L5Fdo8rr6m10g+Xrdt
TLSH
T136E3D6B173E68CCDD656927C91C7D362263EF9E082239B0B4230A6311F17E817ED765A
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4389

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

AddVectoredExceptionHandler CloseHandle CreateEventA CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetHandleInformation GetLastError GetProcessAffinityMask GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount64 InitializeCriticalSection IsDBCSLeadByteEx IsDebuggerPresent LeaveCriticalSection MultiByteToWideChar OpenProcess OutputDebugStringA RaiseException ReleaseSemaphore RemoveVectoredExceptionHandler ResetEvent ResumeThread SetEvent SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte __C_specific_handler

msvcrt

___lc_codepage_func ___mb_cur_max_func __getmainargs __initenv __iob_func __set_app_type __setusermatherr _amsg_exit _beginthreadex _cexit _commode _errno _endthreadex _fmode _initterm _lock free memcpy memmove memset printf srand _onexit _time64 _ultoa _unlock _setjmp abort atoi calloc exit fflush fgets fprintf fputc fwrite getchar localeconv longjmp malloc rand realloc setvbuf signal strchr strcmp strcpy strcspn strerror strlen strncmp system vfprintf wcslen _strdup

ws2_32

WSACleanup WSAStartup closesocket connect htons inet_pton recv send sendto setsockopt socket

Name

.text

Size

59KB

Virtual Size

59KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

368B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

104B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

Size

512B

Virtual Size

48B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/19

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/31

Size

1024B

Virtual Size

929B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/45

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/57

Size

512B

Virtual Size

512B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/70

Size

512B

Virtual Size

63B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/81

Size

1024B

Virtual Size

621B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/97

Size

512B

Virtual Size

34B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

cnc dos.exe

kernel32

msvcrt

ws2_32

generic