tbk[.]exe | Triage™

General

Target
tbk.exe
Size 7.4MB
Sample240606-hwe2naba61
SHA256 721a4b64330caaa0a64de7a355c76add6f50a90ce6039fbb17a8db6ddfd8debc
MD5 c4f886d3b4ce022c73dff1312b5e6d2a
SHA1 e9c2e75578956fd75dd60765c968b9ce1023073b
SHA512 806a1b1c4f021d49735d7686de5bd0c3ef8f64d50761ba1ed58ea3c80fc4ff141c62aed6adcefb359c563f6e45733d60892e64a636cd3c3f99432b46d9d84687
SSDEEP 196608:f+24uWJysVYvsOSVoyMxxvjDDAx4Br/nKsM/d0kkS2hTyZpMTx:DWJzoyMxtDDAxmxM/d0k1myZpMT
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tbk.exe

File Explorer

tbk.exe

.exe 7.4MB
tbk.pyc

3KB

tbk.exe

IMPHASH f4cf09dd5265ea802d83e943c2137765
SHA256 721a4b64330caaa0a64de7a355c76add6f50a90ce6039fbb17a8db6ddfd8debc
MD5 c4f886d3b4ce022c73dff1312b5e6d2a
SHA1 e9c2e75578956fd75dd60765c968b9ce1023073b
SHA512 806a1b1c4f021d49735d7686de5bd0c3ef8f64d50761ba1ed58ea3c80fc4ff141c62aed6adcefb359c563f6e45733d60892e64a636cd3c3f99432b46d9d84687
SSDEEP 196608:f+24uWJysVYvsOSVoyMxxvjDDAx4Br/nKsM/d0kkS2hTyZpMTx:DWJzoyMxtDDAxmxM/d0k1myZpMT
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

2

Major OS version

5

Entry point

34916

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

GetCommandLineW GetEnvironmentVariableW SetEnvironmentVariableW ExpandEnvironmentStringsW CreateDirectoryW GetTempPathW WaitForSingleObject Sleep GetExitCodeProcess GetStartupInfoW LoadLibraryExW CloseHandle GetCurrentProcess LoadLibraryA LocalFree FormatMessageW MultiByteToWideChar WideCharToMultiByte SetEndOfFile GetProcAddress GetModuleFileNameW SetDllDirectoryW CreateProcessW GetLastError RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetModuleHandleW RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary RaiseException GetCommandLineA ReadFile CreateFileW GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime GetFullPathNameW RemoveDirectoryW FindClose FindFirstFileExW FindNextFileW SetStdHandle SetConsoleCtrlHandler DeleteFileW GetStdHandle WriteFile ExitProcess GetModuleHandleExW HeapAlloc HeapFree GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleCP GetFileSizeEx CompareStringW LCMapStringW GetCurrentDirectoryW FlushFileBuffers GetFileAttributesExW IsValidCodePage GetACP GetOEMCP GetCPInfo GetEnvironmentStringsW FreeEnvironmentStringsW GetStringTypeW GetProcessHeap GetTimeZoneInformation HeapSize HeapReAlloc WriteConsoleW

advapi32

ConvertSidToStringSidW GetTokenInformation OpenProcessToken ConvertStringSecurityDescriptorToSecurityDescriptorW

Name

.text

Size

134KB

Virtual Size

134KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

64KB

Virtual Size

64KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

64KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

tbk.exe

kernel32

advapi32

generic

tbk.pyc