7zr[.]exe | Triage™

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General

Target
7zr.exe
Size 588KB
Sample260730-ffkwvstsdv
SHA256 abcf64ae1cbafddb5395e4cdd3bdc7e3e0561d54a0c6380e3dd43bdbffe519a2
MD5 831d04764c51f8eac5dd339612f5830e
SHA1 e8b1d04aa7b58707d859b73ebfa89934ebc488ba
SHA512 f798fab87c2bcdeeb43c1ec2f1976fcc6213f1cecb88d7da6410c6a0f4db3ffda4794f462af3525cb4c86ade0bf6ba410cd4c6a96299c4e695dfeb3b05d06baa
SSDEEP 12288:TOZNbHR+Oeummxstjg6PEwbLRj8x6ELAb29X6cC7LzBDU9cDTpOMW:Tyx+ON6c6ZdjS68H9qcoLzBDU9kTpOMW
TLSH
T10BD49E173AE5C07ED25215318A1D6BF590FEC7640B3248C763809E6D2B349E6D63BA3E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
7zr.exe

File Explorer

7zr.exe

.exe 588KB

7zr.exe

IMPHASH 265a7b8da130a3531d7f289893341800
SHA256 abcf64ae1cbafddb5395e4cdd3bdc7e3e0561d54a0c6380e3dd43bdbffe519a2
MD5 831d04764c51f8eac5dd339612f5830e
SHA1 e8b1d04aa7b58707d859b73ebfa89934ebc488ba
SHA512 f798fab87c2bcdeeb43c1ec2f1976fcc6213f1cecb88d7da6410c6a0f4db3ffda4794f462af3525cb4c86ade0bf6ba410cd4c6a96299c4e695dfeb3b05d06baa
SSDEEP 12288:TOZNbHR+Oeummxstjg6PEwbLRj8x6ELAb29X6cC7LzBDU9cDTpOMW:Tyx+ON6c6ZdjS68H9qcoLzBDU9kTpOMW
TLSH
T10BD49E173AE5C07ED25215318A1D6BF590FEC7640B3248C763809E6D2B349E6D63BA3E
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

466176

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

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

Name

.text

Size

490KB

Virtual Size

490KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

70KB

Virtual Size

69KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

1KB

Virtual Size

46KB

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

22KB

Virtual Size

22KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

7zr.exe

oleaut32

user32

advapi32

msvcrt

kernel32

generic