7za[.]exe | Triage™

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General

Target
7za.exe
Size 830KB
Sample260803-affdgshf86
SHA256 223b873c50380fe9a39f1a22b6abf8d46db506e1c08d08312902f6f3cd1f7ac3
MD5 86d2e800b12ce5da07f9bd2832870577
SHA1 fba06cfb1d2a59d12f3495b301501d4b1d52d7db
SHA512 ae0934445af5bfaa2ac9b624e35b36b98731f016e3856d399d30ef1fd9f559a87f9b49ec0e577cad66e47fb6125afb46c840ec76b43db63912c8bd334e6a816e
SSDEEP 24576:Q9wBv4Tg0Jf6RazsshjFm/OJv5PkjZLmkMhg+92:Q9g4lf6ATJQOb+i0
TLSH
T1A705AF227BE5D0BBC24201318B1D7BF581F9A3680B2148C767908F5D7F359D6DA3AA1E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
7za.exe

File Explorer

7za.exe

.exe 830KB

7za.exe

IMPHASH dd4a9b4808c68463d635decd6dc941f8
SHA256 223b873c50380fe9a39f1a22b6abf8d46db506e1c08d08312902f6f3cd1f7ac3
MD5 86d2e800b12ce5da07f9bd2832870577
SHA1 fba06cfb1d2a59d12f3495b301501d4b1d52d7db
SHA512 ae0934445af5bfaa2ac9b624e35b36b98731f016e3856d399d30ef1fd9f559a87f9b49ec0e577cad66e47fb6125afb46c840ec76b43db63912c8bd334e6a816e
SSDEEP 24576:Q9wBv4Tg0Jf6RazsshjFm/OJv5PkjZLmkMhg+92:Q9g4lf6ATJQOb+i0
TLSH
T1A705AF227BE5D0BBC24201318B1D7BF581F9A3680B2148C767908F5D7F359D6DA3AA1E
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

676980

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

oleaut32

VariantCopy SysAllocStringLen SysAllocString SysFreeString SysStringLen VariantClear

user32

CharPrevExA CharUpperW

advapi32

OpenProcessToken GetFileSecurityW SetFileSecurityW RegQueryValueExW RegCloseKey RegOpenKeyExW AdjustTokenPrivileges LookupPrivilegeValueW

msvcrt

_controlfp __set_app_type __p__fmode __p__commode _adjust_fdiv __setusermatherr _initterm __getmainargs __p___initenv exit _XcptFilter _exit _onexit __dllonexit ??1type_info@@UAE@XZ ?terminate@@YAXXZ _except_handler3 _beginthreadex realloc _ftol memset strlen wcscmp wcsstr strcmp memmove fputs fputc fflush fgetc _iob free malloc memcmp _purecall memcpy _CxxThrowException __CxxFrameHandler _isatty _fileno

kernel32

SetThreadAffinityMask CreateEventW SetEvent ResetEvent CreateSemaphoreW ReleaseSemaphore InitializeCriticalSection WaitForSingleObject MoveFileWithProgressW InterlockedIncrement GetVersion VirtualFree VirtualAlloc GetOEMCP LocalFileTimeToFileTime SetConsoleMode GetConsoleMode GetVersionExW SetFileApisToOEM GetCommandLineW GetConsoleScreenBufferInfo SetConsoleCtrlHandler DeleteCriticalSection QueryPerformanceFrequency QueryPerformanceCounter GetProcessTimes OpenEventW OpenFileMappingW MapViewOfFile UnmapViewOfFile SetProcessAffinityMask WaitForMultipleObjects EnterCriticalSection LeaveCriticalSection GetSystemTimeAsFileTime FileTimeToDosDateTime DosDateTimeToFileTime IsProcessorFeaturePresent GlobalMemoryStatus GetSystemInfo GetProcessAffinityMask FileTimeToLocalFileTime FileTimeToSystemTime CompareFileTime GetModuleHandleW GetCurrentProcess GetDiskFreeSpaceExW GetDiskFreeSpaceW GetLastError MultiByteToWideChar WideCharToMultiByte FreeLibrary LoadLibraryW GetModuleFileNameW LocalFree FormatMessageW CloseHandle SetFileTime CreateFileW SetFileAttributesW RemoveDirectoryW MoveFileW CreateHardLinkW CreateDirectoryW DeleteFileW SetLastError SetCurrentDirectoryW GetCurrentDirectoryW GetTempPathW GetCurrentProcessId GetTickCount GetCurrentThreadId GetFileInformationByHandle GetStdHandle FindClose FindFirstFileW FindNextFileW GetProcAddress GetModuleHandleA GetFileAttributesW GetLogicalDriveStringsW GetFileSize SetFilePointer DeviceIoControl ReadFile WriteFile SetEndOfFile ResumeThread

Name

.text

Size

704KB

Virtual Size

704KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

90KB

Virtual Size

90KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

48KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.sxdata

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

29KB

Virtual Size

29KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

7za.exe

oleaut32

user32

advapi32

msvcrt

kernel32

generic