2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat

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General

Target
2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat
Size 399KB
Sample260804-tzxlnavdkf
SHA256 66a0a337b89a0d0bc70be622f5a8129a1ddce326121d46b62bb47fd7108fe6fe
MD5 209f02d10e8fae086a3574880fd90804
SHA1 3ff7b375553489aae2424b011c5a8a9656b42fd0
SHA512 7405974fbb88dfa330adc62de31e9d74030bf287f3ad4eee61a3e9d50c90ad1b54a08ee473a3f77e6a26fff137d6754c0f4a106c0b5c996a384de775aba98f77
SSDEEP 6144:gO7gImoB12to2h2MWla+TQe9UP6b+X1zX0KBV+UdvrEFp7hKkDfVEP:p7gIoKS2L0q5UPcU1rRBjvrEH7hD+P
TLSH
T1A29490B2F9CC8AA8DEA00EF9337CCD9065AABA74CEB144DB530051751D2E6B0C571D9B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat

File Explorer

2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat

.exe 399KB

2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat

IMPHASH 19f72e30429683ac5de8d6a39ee8095b
SHA256 66a0a337b89a0d0bc70be622f5a8129a1ddce326121d46b62bb47fd7108fe6fe
MD5 209f02d10e8fae086a3574880fd90804
SHA1 3ff7b375553489aae2424b011c5a8a9656b42fd0
SHA512 7405974fbb88dfa330adc62de31e9d74030bf287f3ad4eee61a3e9d50c90ad1b54a08ee473a3f77e6a26fff137d6754c0f4a106c0b5c996a384de775aba98f77
SSDEEP 6144:gO7gImoB12to2h2MWla+TQe9UP6b+X1zX0KBV+UdvrEFp7hKkDfVEP:p7gIoKS2L0q5UPcU1rRBjvrEH7hD+P
TLSH
T1A29490B2F9CC8AA8DEA00EF9337CCD9065AABA74CEB144DB530051751D2E6B0C571D9B
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

15:ad:ae:59:94:a6:ed:03:1c:25:2e:6d:37:d4:91:b3:40:12:dd:46:01:12:86:c9:ae:b4:d7:d7:1b:2f:9a:67

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

SERIALNUMBER=9131012030160721XG,CN=Shanghai Microvirt Software Technology Co.\, Ltd.,O=Shanghai Microvirt Software Technology Co.\, Ltd.,ST=上海市,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#0c09e5a589e8b4a4e58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e4b88ae6b5b7e5b882,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Chains

Jan 22, 2026

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 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

PE Signature issue

Digest

bb:cb:39:76:43:69:10:f6:5c:57:46:b7:1d:2b:11:ff:e7:f4:c6:e7

Digest Algorithm

sha1

PE Digests Matches

Not matched

Trusted

Signing Certificate

Chains

Jan 22, 2026

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 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 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

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=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Serial Number

0d:c7:ac:57:05:ff:21:99:2e:40:43:22:0c:3a:49:86

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

May 7, 2025 - Jan 14, 2038

Subject

CN=DigiCert SHA256 RSA4096 Timestamp Responder 2025 1,O=DigiCert\, Inc.,C=US

Serial Number

0a:80:ef:18:4b:8d:f1:05:82:d1:c4:76:a7:95:74:68

Issuer

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jun 4, 2025 - Sep 3, 2036

Subject

Serial Number

0c:13:2c:c0:ed:df:08:4d:0c:09:42:f8:6f:b1:ab:7b

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

Aug 5, 2025 - Sep 16, 2027

Minor OS version

Major OS version

Entry point

11431

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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:\workspace\memu-service\Release\MemuService.pdb

kernel32

CloseHandle GetLogicalDriveStringsA SetConsoleCtrlHandler CreateMutexW WaitForSingleObject GetLastError SetEvent CreateEventA GetCurrentThreadId ProcessIdToSessionId Sleep LoadLibraryA DeleteFileA WritePrivateProfileStringA Process32Next GetProcAddress WTSGetActiveConsoleSessionId FreeLibrary WinExec CreateFileW DecodePointer HeapReAlloc HeapSize GetConsoleMode GetConsoleOutputCP FlushFileBuffers SetFilePointerEx CreateToolhelp32Snapshot OpenProcess QueryDosDeviceA K32GetProcessImageFileNameA SetLastError Process32First GetModuleHandleA CreateThread GetModuleFileNameA GetFileSizeEx GetStringTypeW SetStdHandle UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetSystemTimeAsFileTime InitializeSListHead RtlUnwind RaiseException EncodePointer EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW ExitProcess GetModuleHandleExW GetModuleFileNameW GetStdHandle WriteFile HeapFree HeapAlloc GetFileType FlsAlloc FlsGetValue FlsSetValue FlsFree InitializeCriticalSectionEx VirtualProtect LCMapStringW FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW MultiByteToWideChar WideCharToMultiByte GetEnvironmentStringsW FreeEnvironmentStringsW GetProcessHeap WriteConsoleW

user32

GetProcessWindowStation SetProcessWindowStation OpenDesktopA CloseWindowStation SetThreadDesktop GetThreadDesktop CloseDesktop OpenWindowStationA

advapi32

CreateProcessAsUserA SetTokenInformation LookupPrivilegeValueA DuplicateTokenEx OpenProcessToken AdjustTokenPrivileges

wtsapi32

WTSQueryUserToken

userenv

CreateEnvironmentBlock

Name

.text

Size

84KB

Virtual Size

83KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

30KB

Virtual Size

29KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fptable

Size

512B

Virtual Size

128B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

179KB

Virtual Size

179KB

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

2026-08-04_209f02d10e8fae086a3574880fd90804_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat

PE Signature issue

PE Signature issue

kernel32

user32

advapi32

wtsapi32

userenv

generic