2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut

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General

Target
2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut
Size 542KB
Sample260925-sy2zbazard
SHA256 915c754001199b6c799803d8084873cb7dfd0dbdce83a5a755b199685ac9ff5d
MD5 08cf325a688b8d546c4d81ba121324ce
SHA1 7a9d471233941ea24e581d9630879bab2e40b9a6
SHA512 941e12dddf24f0204b7ed67580d2acaaafb2461e8ee2b5e857259aec57b4b3c3430a6ea1582f15c195ecce1fbe69022e8731edd2896ea9c9919cb69f526fc5b3
SSDEEP 12288:w6eyGNmnPRC34Xga2C5OvsUr0dzOA8qwPyA9d:wmt8vzodYqAyE
TLSH
T161C49D21B562C036C49281B25A78DBB9D63DFE304F6109DBB3C49F7E1A742C16736A1B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut

File Explorer

2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut

.exe 542KB

2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut

IMPHASH 31ed3a5f1951b3fe98d116016a9d8ff5
SHA256 915c754001199b6c799803d8084873cb7dfd0dbdce83a5a755b199685ac9ff5d
MD5 08cf325a688b8d546c4d81ba121324ce
SHA1 7a9d471233941ea24e581d9630879bab2e40b9a6
SHA512 941e12dddf24f0204b7ed67580d2acaaafb2461e8ee2b5e857259aec57b4b3c3430a6ea1582f15c195ecce1fbe69022e8731edd2896ea9c9919cb69f526fc5b3
SSDEEP 12288:w6eyGNmnPRC34Xga2C5OvsUr0dzOA8qwPyA9d:wmt8vzodYqAyE
TLSH
T161C49D21B562C036C49281B25A78DBB9D63DFE304F6109DBB3C49F7E1A742C16736A1B
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

d9:7b:4b:9d:b6:f1:e3:cd:24:cd:82:aa:24:43:b5:d7:a2:92:4f:16:2e:79:fa:52:d9:6b:cd:7b:7b:f5:ab:c5

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=Zhuhai Yunyi Network Technology Co.\, Ltd.,O=Zhuhai Yunyi Network Technology Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

Chains

Dec 30, 2024

CN=Zhuhai Yunyi Network Technology Co.\, Ltd.,O=Zhuhai Yunyi Network Technology Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=Zhuhai Yunyi Network Technology Co.\, Ltd.,O=Zhuhai Yunyi Network Technology Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=Zhuhai Yunyi Network Technology Co.\, Ltd.,O=Zhuhai Yunyi Network Technology Co.\, Ltd.,L=珠海市,ST=广东省,C=CN

Serial Number

0f:6d:b6:49:9c:96:90:f4:3b:0f:29:fc:b1:28:64:4b

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Jul 1, 2024 - Sep 1, 2025

Subject

CN=DigiCert Timestamp 2024,O=DigiCert,C=US

Serial Number

0b:ae:66:bc:5a:ba:7f:95:87:c6:f9:e9:04:e3:33:04

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Sep 26, 2024 - Nov 25, 2035

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Serial Number

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

568663

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

D:\yunyi-code\yunyi-cleaner\bin\kscsys.pdb

kernel32

TerminateProcess GetModuleFileNameW ExpandEnvironmentStringsA FindClose CreateFileW GetModuleHandleA MultiByteToWideChar GetLastError CloseHandle ExpandEnvironmentStringsW GetModuleHandleW FreeLibrary WideCharToMultiByte GetConsoleScreenBufferInfo SetConsoleTextAttribute ReleaseSemaphore WriteConsoleA WriteFile GetDynamicTimeZoneInformation LocalAlloc GetCurrentThreadId OpenSemaphoreA Sleep GetConsoleMode GetFileAttributesA LocalFree GetCurrentProcessId OpenFileMappingA FormatMessageA MapViewOfFile WriteConsoleW GetModuleHandleExW GetStdHandle GetCurrentProcess FindFirstFileW GetModuleFileNameA GetProcAddress ReadFile HeapSize SetStdHandle GetProcessHeap SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW GetOEMCP GetACP IsValidCodePage WakeConditionVariable WakeAllConditionVariable SleepConditionVariableSRW ReleaseSRWLockExclusive AcquireSRWLockExclusive TryAcquireSRWLockExclusive WaitForSingleObjectEx GetExitCodeThread QueryPerformanceCounter EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetSystemTimeAsFileTime GetStringTypeW GetCPInfo IsProcessorFeaturePresent UnhandledExceptionFilter SetUnhandledExceptionFilter IsDebuggerPresent GetStartupInfoW InitializeSListHead RtlUnwind RaiseException SetLastError InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW CreateDirectoryW ExitProcess GetCommandLineA GetCommandLineW HeapAlloc HeapFree GetFileType GetTimeZoneInformation GetDateFormatW GetTimeFormatW CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW SetFilePointerEx ReadConsoleW GetFileSizeEx FlushFileBuffers GetConsoleOutputCP HeapReAlloc FindFirstFileExW FindNextFileW SetEndOfFile

advapi32

RegCloseKey RegQueryValueExA LookupPrivilegeValueA OpenProcessToken RegOpenKeyExA AdjustTokenPrivileges

ole32

CLSIDFromString CoUninitialize CoCreateInstance CoTaskMemFree CoInitialize

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-24_08cf325a688b8d546c4d81ba121324ce_amadey_cobalt-strike_elex_hijackloader_luca-stealer_lynx_njrat_virut

PE Signature issue

kernel32

advapi32

ole32

generic