55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1

General

Target
55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1
Size 277KB
Sample260925-h4qs5aself
SHA256 55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1
MD5 02d864c16413017e7557b521bc6c266d
SHA1 7a59a86af30d9d172f5412fdc8fb4b56bb1cef82
SHA512 ffbd9d492c2b9aef65f2b1496d5ac88c82871800673b88f0d138256f41055ce3a7bc10530bc1ee8676afc3b84844a3dfe07243811292c7f92266096607c5be41
SSDEEP 3072:vHrfzYPc6X/YTveos0gXf+EvC6C36eCWdMuoB+UKrRiEOB9dXCQT1X/MK0dk5xMy:AATvfkTC3dM7B+mCGBV+UdvrEFp7hK5b
TLSH
T19654C35233F847ACF8F35E3029349F25E97ABC399E36E66D1641219D1C38A429D60B37
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1

File Explorer

55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1

.exe 277KB

55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1

IMPHASH cd3b2d99c6655a5d4a14e30e380f5bf9
SHA256 55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1
MD5 02d864c16413017e7557b521bc6c266d
SHA1 7a59a86af30d9d172f5412fdc8fb4b56bb1cef82
SHA512 ffbd9d492c2b9aef65f2b1496d5ac88c82871800673b88f0d138256f41055ce3a7bc10530bc1ee8676afc3b84844a3dfe07243811292c7f92266096607c5be41
SSDEEP 3072:vHrfzYPc6X/YTveos0gXf+EvC6C36eCWdMuoB+UKrRiEOB9dXCQT1X/MK0dk5xMy:AATvfkTC3dM7B+mCGBV+UdvrEFp7hK5b
TLSH
T19654C35233F847ACF8F35E3029349F25E97ABC399E36E66D1641219D1C38A429D60B37
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

dc:4a:a7:1d:d9:8e:3a:39:72:bf:1b:7c:61:c7:28:25:df:68:11:0e:25:c6:dd:40:79:80:88:a7:4e:74:ec:4f

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Mar 29, 2023

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

1

Major OS version

5

Entry point

46912

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

MicrosoftEdgeUpdate_unsigned.pdb

kernel32

GetModuleFileNameW GetLastError CloseHandle GetProcAddress CreateProcessW FreeLibrary GetTempFileNameW LoadLibraryExW GetCommandLineW GetModuleHandleW WriteConsoleW RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetStartupInfoW LocalFree FormatMessageA CreateDirectoryW CreateFileW FindClose FindFirstFileExW FindNextFileW GetFileAttributesExW SetFileInformationByHandle SetFilePointerEx AreFileApisANSI CopyFileW GetFileInformationByHandleEx MultiByteToWideChar WideCharToMultiByte RtlUnwind SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree GetStdHandle WriteFile ExitProcess GetModuleHandleExW GetCPInfo HeapAlloc HeapFree IsValidCodePage GetACP GetOEMCP GetCommandLineA GetEnvironmentStringsW FreeEnvironmentStringsW SetStdHandle GetFileType GetStringTypeW LCMapStringW GetProcessHeap HeapSize HeapReAlloc FlushFileBuffers GetConsoleOutputCP GetConsoleMode DecodePointer

ole32

CoTaskMemFree

Name

.text

Size

87KB

Virtual Size

87KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

512B

Virtual Size

24B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

92KB

Virtual Size

92KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

55c43604865a126893dbc0d5f9ab4ff808f447402ea5b2e34cb91e54b28f13e1

PE Signature issue

kernel32

ole32

generic