2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat

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General

Target
2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat
Size 1.0MB
Sample261004-eetlyayfqb
SHA256 4c3846c2db201c0468629b0e0a0d227a1aadbfe8c0da09e4594826f09b74a425
MD5 b415f92bd2f42d31ed2062d6973fc8ad
SHA1 8579d8104ba2d130abbdc9332f0d2074ba8e599b
SHA512 8a138e6b0de49dcc75bcc808a45d0b03eb9042f027933067284b3081af859e2355742eb4fbf862184d46264b2f7c4f5b501cd2befd3600905ececc37a7028c2b
SSDEEP 12288:A74SzBWCpnK1ruGN5in1JUMCKQ7OGNzvrUfCfv1FhMiXwn86QXIpA3Tp057:ANVk1r7UL1QCKzjUfCfvPhM1n8xr1057
TLSH
T151358C57F292A2BDD55BC07083568A72F636B4CA0631ADBF12E4D7302F96E614F1CB18
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat

File Explorer

2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat

.exe 1.0MB

2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat

IMPHASH 9f2137d1e40c87436d3ede866518be63
SHA256 4c3846c2db201c0468629b0e0a0d227a1aadbfe8c0da09e4594826f09b74a425
MD5 b415f92bd2f42d31ed2062d6973fc8ad
SHA1 8579d8104ba2d130abbdc9332f0d2074ba8e599b
SHA512 8a138e6b0de49dcc75bcc808a45d0b03eb9042f027933067284b3081af859e2355742eb4fbf862184d46264b2f7c4f5b501cd2befd3600905ececc37a7028c2b
SSDEEP 12288:A74SzBWCpnK1ruGN5in1JUMCKQ7OGNzvrUfCfv1FhMiXwn86QXIpA3Tp057:ANVk1r7UL1QCKzjUfCfvPhM1n8xr1057
TLSH
T151358C57F292A2BDD55BC07083568A72F636B4CA0631ADBF12E4D7302F96E614F1CB18
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5328

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

api-ms-win-core-synch-l1-2-0

WaitOnAddress WakeByAddressAll WakeByAddressSingle

bcryptprimitives

ProcessPrng

advapi32

CryptAcquireContextW CryptDestroyKey CryptImportKey CryptReleaseContext

crypt32

CertAddCertificateContextToStore CertAddEncodedCTLToStore CertAddEncodedCertificateToStore CertCloseStore CertCreateCertificateContext CertDeleteCertificateFromStore CertDuplicateCertificateChain CertDuplicateCertificateContext CertDuplicateStore CertEnumCertificatesInStore CertFreeCertificateChain CertFreeCertificateContext CertGetCertificateChain CertGetCertificateContextProperty CertGetEnhancedKeyUsage CertOpenStore CertSetCertificateContextProperty CertVerifyCertificateChainPolicy CertVerifyTimeValidity CryptAcquireCertificatePrivateKey CryptBinaryToStringA CryptDecodeObjectEx CryptEncodeObjectEx CryptHashCertificate CryptStringToBinaryA PFXExportCertStore PFXImportCertStore

kernel32

CloseHandle GetModuleHandleW GetProcAddress HeapFree LocalFree AddVectoredExceptionHandler CancelIo CompareStringOrdinal CopyFileExW CreateDirectoryW CreateEventW CreateFileMappingA CreateFileW CreateHardLinkW CreatePipe CreateProcessW CreateSymbolicLinkW CreateThread CreateToolhelp32Snapshot CreateWaitableTimerExW DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DeviceIoControl DuplicateHandle EnterCriticalSection ExitProcess FindClose FindFirstFileExW FindNextFileW FlushFileBuffers FormatMessageW FreeEnvironmentStringsW GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSizeEx GetFileType GetFinalPathNameByHandleW GetFullPathNameW GetLastError GetModuleFileNameW GetModuleHandleA GetOverlappedResult GetProcessHeap GetProcessId GetStartupInfoA GetStdHandle GetSystemDirectoryW GetSystemInfo GetSystemTimePreciseAsFileTime GetTempPathW GetWindowsDirectoryW HeapAlloc HeapReAlloc InitOnceBeginInitialize InitOnceComplete InitializeCriticalSection InitializeProcThreadAttributeList LeaveCriticalSection LockFileEx MapViewOfFile Module32FirstW Module32NextW MoveFileExW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadConsoleW ReadFile ReadFileEx RemoveDirectoryW RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetCurrentDirectoryW SetEnvironmentVariableW SetFileAttributesW SetFileInformationByHandle SetFilePointerEx SetFileTime SetHandleInformation SetLastError SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SleepEx SwitchToThread TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnlockFile UnmapViewOfFile UpdateProcThreadAttribute VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte WriteConsoleW WriteFileEx __C_specific_handler lstrlenW

ncrypt

NCryptFreeObject

secur32

AcceptSecurityContext AcquireCredentialsHandleA DecryptMessage DeleteSecurityContext EncryptMessage FreeContextBuffer FreeCredentialsHandle InitializeSecurityContextW QueryContextAttributesW

msvcrt

__getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _cexit _commode _fmode _fpreset _initterm _onexit abort calloc exit fprintf free fwrite malloc memcmp memcpy memmove memset signal strlen strncmp vfprintf

ntdll

NtCreateFile NtCreateNamedPipeFile NtOpenFile NtReadFile NtWriteFile RtlNtStatusToDosError

user32

MessageBoxW

userenv

GetUserProfileDirectoryW

ws2_32

GetHostNameW WSACleanup WSADuplicateSocketW WSAGetLastError WSARecv WSASend WSASocketW WSAStartup accept bind closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt ioctlsocket listen recv recvfrom select send sendto setsockopt shutdown

Name

.text

Size

780KB

Virtual Size

780KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

144KB

Virtual Size

143KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

24KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

44KB

Virtual Size

43KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

608B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

112B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-10-03_b415f92bd2f42d31ed2062d6973fc8ad_akira_cobalt-strike_quasar-rat

api-ms-win-core-synch-l1-2-0

bcryptprimitives

advapi32

crypt32

kernel32

ncrypt

secur32

msvcrt

ntdll

user32

userenv

ws2_32

generic