7za[.]exe | Triage™

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General

Target
7za.exe
Size 839KB
Sample261002-ppcfhs1hnc
SHA256 bfb34635f295df13ea1677c0d51d08fafd2da21a1c0bea252df6342d40e511a0
MD5 a5efe54df4f28f6d12adf840dc931b36
SHA1 dc9f5baecfc6cb27e8fd3ec56faafa1e007bf743
SHA512 274fe37ae37397efa5425759bc55d6dd53fcd1b76c1472d8d952ff4bb72f5c8ec0f0f28a712e350a2025292851e483f7334463cf2920388c81b238223c9e434a
SSDEEP 24576:fIgB4BNEPZ0m2uTH35dmvTAQkWUnNwjiKSYOojDuR1uwe:fIfBNM2uT5MM/xejJqe
TLSH
T19805AE127BE5D0BBD2420132CB1CABF591F993680B2148C767848F6D7B359D1DA3AA1F
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 839KB

7za.exe

IMPHASH 6c5965af38ef4fd6158aa40e07982ef9
SHA256 bfb34635f295df13ea1677c0d51d08fafd2da21a1c0bea252df6342d40e511a0
MD5 a5efe54df4f28f6d12adf840dc931b36
SHA1 dc9f5baecfc6cb27e8fd3ec56faafa1e007bf743
SHA512 274fe37ae37397efa5425759bc55d6dd53fcd1b76c1472d8d952ff4bb72f5c8ec0f0f28a712e350a2025292851e483f7334463cf2920388c81b238223c9e434a
SSDEEP 24576:fIgB4BNEPZ0m2uTH35dmvTAQkWUnNwjiKSYOojDuR1uwe:fIfBNM2uT5MM/xejJqe
TLSH
T19805AE127BE5D0BBD2420132CB1CABF591F993680B2148C767848F6D7B359D1DA3AA1F
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

683028

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 _isatty _get_osfhandle memset strlen wcscmp wcsstr strcmp memmove fputs fputc fflush fgetc _iob free malloc memcmp _purecall memcpy _CxxThrowException __CxxFrameHandler

kernel32

WaitForSingleObject ResumeThread SetThreadAffinityMask CreateEventW SetEvent ResetEvent CreateSemaphoreW ReleaseSemaphore InitializeCriticalSection RemoveDirectoryW InterlockedIncrement GetVersion VirtualFree VirtualAlloc GetOEMCP LocalFileTimeToFileTime SetConsoleMode GetVersionExW SetFileApisToOEM GetCommandLineW GetConsoleScreenBufferInfo SetConsoleCtrlHandler DeleteCriticalSection QueryPerformanceFrequency QueryPerformanceCounter GetProcessTimes OpenEventW OpenFileMappingW MapViewOfFile UnmapViewOfFile GetConsoleMode 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 MoveFileW MoveFileWithProgressW 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

Name

.text

Size

711KB

Virtual Size

711KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

92KB

Virtual Size

91KB

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

30KB

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