Loader[.]exe | Triage™

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General

Target
Loader.exe
Size 9.4MB
Sample251007-ya5m7axyex
SHA256 5db2fc5f376d55b644d5584107cbe2a5905927b97d7f440addbf552f85141908
MD5 99cbf82597a9817ce8cd1c3463582a1f
SHA1 9d5fc2dfcfaa5648fa3eb2638a10eb93ed126700
SHA512 ee182c8a86eda563e9a15f23ce4ba9bc02e491fe3397630ae227359a2c79f610e94b1b8faefcd2b4a3c83c14404ff13993e2783f000eb35883d22b04c66ec383
SSDEEP 196608:SCL8l3YGasbnk08J65VzYNy765DbV+ZfjdT4qTE/9mfGuE:xLKYHJFGzGy+Bgf5RcDr
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
Loader.exe

File Explorer

Loader.exe

.exe 9.4MB

Loader.exe

IMPHASH e984c9552167c47b13f80743eea201e4
SHA256 5db2fc5f376d55b644d5584107cbe2a5905927b97d7f440addbf552f85141908
MD5 99cbf82597a9817ce8cd1c3463582a1f
SHA1 9d5fc2dfcfaa5648fa3eb2638a10eb93ed126700
SHA512 ee182c8a86eda563e9a15f23ce4ba9bc02e491fe3397630ae227359a2c79f610e94b1b8faefcd2b4a3c83c14404ff13993e2783f000eb35883d22b04c66ec383
SSDEEP 196608:SCL8l3YGasbnk08J65VzYNy765DbV+ZfjdT4qTE/9mfGuE:xLKYHJFGzGy+Bgf5RcDr
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

d7:bc:91:ab:71:15:25:50:1b:53:de:d1:5f:80:33:32:9c:ea:44:2c:dc:f3:71:c4:99:be:68:4e:e0:03:ab:23

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Jul 31, 2025

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

33:00:00:04:7f:2f:42:2a:73:53:08:de:ea:00:00:00:00:04:7f

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

May 15, 2025 - May 15, 2026

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

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=nShield TSS ESN:4C1A-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:01:ff:12:38:7c:f7:c1:65:d6:a1:00:01:00:00:01:ff

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Jul 25, 2024 - Oct 22, 2025

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

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

Major OS version

Entry point

11758568

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

GetModuleFileNameA LoadLibraryA GetProcAddress GetCurrentProcess CreateFileW QueryPerformanceCounter QueryPerformanceFrequency ReleaseSRWLockExclusive AcquireSRWLockExclusive SleepConditionVariableSRW Sleep GetCurrentThreadId MultiByteToWideChar GetStringTypeW GetLocaleInfoEx WideCharToMultiByte InitializeCriticalSectionEx GetSystemTimeAsFileTime GetModuleHandleW EnterCriticalSection LeaveCriticalSection DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetCPInfo WakeAllConditionVariable RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW IsProcessorFeaturePresent GetCurrentProcessId InitializeSListHead TerminateProcess RtlPcToFileHeader RaiseException RtlUnwindEx GetLastError SetLastError InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW GetStdHandle GetFileType GetModuleFileNameW GetModuleHandleExW WriteConsoleW ExitProcess WriteFile HeapFree HeapAlloc OutputDebugStringW GetTimeZoneInformation FlsAlloc FlsGetValue FlsSetValue FlsFree CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW HeapReAlloc FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCommandLineA GetCommandLineW GetEnvironmentStringsW FreeEnvironmentStringsW SetEnvironmentVariableW GetProcessHeap SetStdHandle GetFileSizeEx SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode HeapSize CloseHandle HeapAlloc HeapFree ExitProcess LoadLibraryA GetModuleHandleA GetProcAddress

Name

.text

Size

Virtual Size

444KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

Virtual Size

99KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

Virtual Size

247KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.#`S

Size

Virtual Size

4.8MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.37I

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

./~\

Size

9.2MB

Virtual Size

9.2MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.reloc

Size

512B

Virtual Size

296B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

169KB

Virtual Size

168KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Loader.exe

PE Signature issue

kernel32

generic