2026-08-02_bccba4744819893af509a1e06309a9c0_akira_cobalt-strike_quasar-rat

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General

Target
2026-08-02_bccba4744819893af509a1e06309a9c0_akira_cobalt-strike_quasar-rat
Size 1.4MB
Sample260802-q3rysszzdv
SHA256 457f3d335ccc8afca03fcf60e4059c724c1eaa2816d22ede04f31ef64495c2c9
MD5 bccba4744819893af509a1e06309a9c0
SHA1 79800921b1b7de7781e57ca1cae98ea1338dfabd
SHA512 47c7a46c5ea875446ff3d37f5a2b498d5b5f738317e59a48a27324da885a353c7fbc0dd2f0c4b55ba01a9480c4c0a94276819fa31a72e2521e8211d19ef6be48
SSDEEP 24576:Le0nDFcBR59wxMLKn25X5VwVBqXq8wzjTtGQhnXspj/E:Le0DFcz59waK25X5Vw6q8wz1GQhnXsp4
TLSH
T192658C63A59559AED702D13882A7933AB53932C52332BFB31D9CDE306F82DC54F29316
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-08-02_bccba4744819893af509a1e06309a9c0_akira_cobalt-strike_quasar-rat

File Explorer

2026-08-02_bccba4744819893af509a1e06309a9c0_akira_cobalt-strike_quasar-rat

.exe 1.4MB

2026-08-02_bccba4744819893af509a1e06309a9c0_akira_cobalt-strike_quasar-rat

IMPHASH a69bf3cb73cffd609dbd139bc6d8a003
SHA256 457f3d335ccc8afca03fcf60e4059c724c1eaa2816d22ede04f31ef64495c2c9
MD5 bccba4744819893af509a1e06309a9c0
SHA1 79800921b1b7de7781e57ca1cae98ea1338dfabd
SHA512 47c7a46c5ea875446ff3d37f5a2b498d5b5f738317e59a48a27324da885a353c7fbc0dd2f0c4b55ba01a9480c4c0a94276819fa31a72e2521e8211d19ef6be48
SSDEEP 24576:Le0nDFcBR59wxMLKn25X5VwVBqXq8wzjTtGQhnXspj/E:Le0DFcz59waK25X5Vw6q8wz1GQhnXsp4
TLSH
T192658C63A59559AED702D13882A7933AB53932C52332BFB31D9CDE306F82DC54F29316
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_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 CertCreateCTLEntryFromCertificateContextProperties CertCreateCertificateContext CertDeleteCertificateFromStore CertDuplicateCertificateChain CertDuplicateCertificateContext CertDuplicateStore CertEnumCertificatesInStore CertFreeCTLContext CertFreeCertificateChain CertFreeCertificateContext CertGetCertificateChain CertGetCertificateContextProperty CertGetEnhancedKeyUsage CertOpenStore CertSetCertificateContextProperty CertVerifyCertificateChainPolicy CertVerifyTimeValidity CryptAcquireCertificatePrivateKey CryptBinaryToStringA CryptDecodeObjectEx CryptEncodeObjectEx CryptHashCertificate CryptMsgEncodeAndSignCTL 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

762KB

Virtual Size

762KB

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

141KB

Virtual Size

141KB

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

2026-08-02_bccba4744819893af509a1e06309a9c0_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