install[.]3[.]1[.]03[.]exe

General

Target
install.3.1.03.exe
Size 32.4MB
Sample261027-n642esdx5k
SHA256 a9e2c1b5e9278335d4099ec20e91cda9cdc1b46b41f6c8063f7508966ad12db2
MD5 c66612eb70cfcca434d65004f1a4638b
SHA1 1269b80d40ed1f02e26d3160fc79a7ec95a79c28
SHA512 bba8a08903e4fb76823d95c0036999d22f700eadd5184e9b77fe8d7156e71d6b9a0e12b50872db03a20f17bc5855dc892a7a4479662fd041019f98c8e48a38ea
SSDEEP 196608:6qEfM3r4vGOgAVAiZfFK0SBqtiEPFNPTp:S6qpN
TLSH
T183770646FA414DD2F85846F588ABB7A023FEBD7582D1C30721D87325AFAF29C0E93195
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
install.3.1.03.exe

File Explorer

install.3.1.03.exe

.exe 32.4MB

install.3.1.03.exe

IMPHASH 20abbe0f6ab059ea4a375bcb6b8a717b
SHA256 a9e2c1b5e9278335d4099ec20e91cda9cdc1b46b41f6c8063f7508966ad12db2
MD5 c66612eb70cfcca434d65004f1a4638b
SHA1 1269b80d40ed1f02e26d3160fc79a7ec95a79c28
SHA512 bba8a08903e4fb76823d95c0036999d22f700eadd5184e9b77fe8d7156e71d6b9a0e12b50872db03a20f17bc5855dc892a7a4479662fd041019f98c8e48a38ea
SSDEEP 196608:6qEfM3r4vGOgAVAiZfFK0SBqtiEPFNPTp:S6qpN
TLSH
T183770646FA414DD2F85846F588ABB7A023FEBD7582D1C30721D87325AFAF29C0E93195
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

39104

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

GetCommandLineW GetTempPathW DecodePointer RaiseException GetLastError InitializeCriticalSectionEx DeleteCriticalSection SetEvent GetCurrentThreadId GetModuleFileNameW GetModuleHandleW GetProcAddress LoadLibraryExA LoadLibraryA LoadLibraryW LocalFree WriteConsoleW CreateFileW CloseHandle GetConsoleMode GetConsoleCP FlushFileBuffers SetFilePointerEx SetStdHandle GetProcessHeap FreeEnvironmentStringsW WideCharToMultiByte MultiByteToWideChar GetStringTypeW EnterCriticalSection LeaveCriticalSection EncodePointer LCMapStringEx GetCPInfo IsDebuggerPresent OutputDebugStringW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW IsProcessorFeaturePresent GetCurrentProcess TerminateProcess QueryPerformanceCounter GetCurrentProcessId GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RtlUnwindEx SetLastError InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW ExitProcess GetModuleHandleExW GetStdHandle WriteFile HeapFree LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW HeapAlloc HeapReAlloc GetFileType HeapSize FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCommandLineA VirtualAlloc

user32

PostThreadMessageW

shell32

ShellExecuteW

ole32

CoCreateInstance CoReleaseServerProcess CoInitialize CoAddRefServerProcess CoUninitialize

Name

.text

Size

122KB

Virtual Size

122KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

58KB

Virtual Size

58KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

32.0MB

Virtual Size

32.0MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

7KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

130KB

Virtual Size

130KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

install.3.1.03.exe

kernel32

user32

shell32

ole32

generic