2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat

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General

Target
2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat
Size 573KB
Sample260802-ydp2xa1arc
SHA256 9173035bba947569c44d89eb8e9b3966b2de8f6fcd46a1baec8eebdcef83dd10
MD5 0cd99d0e42cb0cdec5cde0075d4e4a18
SHA1 9b7a7cd94fa688d995028ab35a0c03408dbbf965
SHA512 267021eb4bb37dcd95b35db95296767f374f1cf6a18fe175e8e30b55ebc0164be2c426156b5a30f6500b8ed71f6e4e8e241dace83d2e514ba1d64df28b08cbdd
SSDEEP 6144:BmFx3oRnC4FAUF/BS7tykS2WM69Jtt33PCuedwB25LpOHUfp7AG9eqlssssssZs3:BmfynCpUiCxAueO2LpnpxmatHy3CQ
TLSH
T1F0C47C57B6A291FCD11AC07483566673FA33B4890A32BDBF02E4CA753EA5E506F2C714
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat

File Explorer

2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat

.exe 573KB

2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat

IMPHASH 01126ae04e8907c9efef434d1df04707
SHA256 9173035bba947569c44d89eb8e9b3966b2de8f6fcd46a1baec8eebdcef83dd10
MD5 0cd99d0e42cb0cdec5cde0075d4e4a18
SHA1 9b7a7cd94fa688d995028ab35a0c03408dbbf965
SHA512 267021eb4bb37dcd95b35db95296767f374f1cf6a18fe175e8e30b55ebc0164be2c426156b5a30f6500b8ed71f6e4e8e241dace83d2e514ba1d64df28b08cbdd
SSDEEP 6144:BmFx3oRnC4FAUF/BS7tykS2WM69Jtt33PCuedwB25LpOHUfp7AG9eqlssssssZs3:BmfynCpUiCxAueO2LpnpxmatHy3CQ
TLSH
T1F0C47C57B6A291FCD11AC07483566673FA33B4890A32BDBF02E4CA753EA5E506F2C714
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

crypt32

CertAddCertificateContextToStore CertCloseStore CertDuplicateCertificateChain CertDuplicateCertificateContext CertDuplicateStore CertEnumCertificatesInStore CertFreeCertificateChain CertFreeCertificateContext CertGetCertificateChain CertOpenStore CertVerifyCertificateChainPolicy

kernel32

CloseHandle CreateFileMappingA DuplicateHandle GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetSystemDirectoryW GetSystemTimePreciseAsFileTime GetWindowsDirectoryW HeapAlloc HeapFree HeapReAlloc MapViewOfFile SetHandleInformation SetLastError UnmapViewOfFile AddVectoredExceptionHandler CompareStringOrdinal CreateDirectoryW CreateFileW CreateProcessW CreateThread CreateToolhelp32Snapshot CreateWaitableTimerExW DeleteCriticalSection DeleteFileW EnterCriticalSection FindClose FindFirstFileExW FormatMessageW FreeEnvironmentStringsW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentThread GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFullPathNameW GetStartupInfoA GetStdHandle GetTempPathW InitOnceBeginInitialize InitOnceComplete InitializeCriticalSection LeaveCriticalSection Module32FirstW Module32NextW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFileEx RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetFileInformationByHandle SetFilePointerEx SetFileTime SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SleepEx SwitchToThread TlsAlloc TlsFree TlsGetValue TlsSetValue VirtualProtect VirtualQuery WaitForSingleObject WriteConsoleW WriteFileEx __C_specific_handler

ntdll

RtlNtStatusToDosError NtCreateNamedPipeFile NtOpenFile NtReadFile NtWriteFile

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

user32

MessageBoxW

ws2_32

WSACleanup WSAGetLastError WSASocketW WSAStartup closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt ioctlsocket recv select send setsockopt

Name

.text

Size

432KB

Virtual Size

432KB

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

53KB

Virtual Size

52KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

21KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

544B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

7KB

Virtual Size

6KB

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

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-08-02_0cd99d0e42cb0cdec5cde0075d4e4a18_akira_cobalt-strike_quasar-rat

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

bcryptprimitives

crypt32

kernel32

ntdll

secur32

msvcrt

user32

ws2_32

generic