05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b

General

Target
05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b
Size 277KB
Sample260505-jbmrfaaw21
SHA256 05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b
MD5 b49b0bf0b5ea190190c3e325f96be6d6
SHA1 2abb01534ac4bc9a102de0450301b71574a60f85
SHA512 18ad5c80b7409db5b5d1795bb1e898116d829a00f4cf6cb7836552159e7608d779dae76429b520500f38008de5408fb31b5fcfe19b3351265c94ac67842b612c
SSDEEP 6144:AAjl/DQOC3dM7B+mCGBV+UdvrEFp7hKFP:AAjlbQL6B+mCGBjvrEH7mP
TLSH
T11354C35233F847ACF8F35E3069349F25E97ABC399E35E66E1640218D2C38A519D60B37
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b

File Explorer

05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b

.exe 277KB

05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b

IMPHASH cd3b2d99c6655a5d4a14e30e380f5bf9
SHA256 05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b
MD5 b49b0bf0b5ea190190c3e325f96be6d6
SHA1 2abb01534ac4bc9a102de0450301b71574a60f85
SHA512 18ad5c80b7409db5b5d1795bb1e898116d829a00f4cf6cb7836552159e7608d779dae76429b520500f38008de5408fb31b5fcfe19b3351265c94ac67842b612c
SSDEEP 6144:AAjl/DQOC3dM7B+mCGBV+UdvrEFp7hKFP:AAjlbQL6B+mCGBjvrEH7mP
TLSH
T11354C35233F847ACF8F35E3069349F25E97ABC399E35E66E1640218D2C38A519D60B37
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

dd:1a:e9:3c:32:d8:09:c0:79:2e:7d:69:87:42:3f:34:54:47:11:e6:01:81:9c:91:e0:55:64:e4:c2:3f:c9:53

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

Subject

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

Serial Number

33:00:00:03:3e:63:3a:86:bf:41:73:d7:e0:00:00:00:00:03:3e

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Feb 16, 2023 - Jan 31, 2024

Subject

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

Serial Number

61:0e:90:d2:00:00:00:00:00:03

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft America Operations+OU=Thales TSS ESN:2264-E33E-780C,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:01:c1:3e:a0:83:9c:e0:09:af:c5:00:01:00:00:01:c1

Issuer

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Nov 4, 2022 - Feb 2, 2024

Subject

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:15:c5:e7:6b:9e:02:9b:49:99:00:00:00:00:00:15

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Sep 30, 2021 - Sep 30, 2030

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

05c87e62e03042f3637568a649b99cf11dec3d06e4d186aa0da9f0278490c01b

PE Signature issue

kernel32

ole32

generic