2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat

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General

Target
2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat
Size 913KB
Sample260728-sdwlsszvb1
SHA256 2f25bdb328e22f9cd0336839e9aded37b2ff225fe99fa6b0746c02fe59e799a1
MD5 e681576fbfa0e8bebe934bbd0e102947
SHA1 6dc899c222969976cea0ea63a7293f7d99cc5189
SHA512 4b8fcb9d635e8de599bda25205859bd06eed802c3bde8abe6fa0fe17a1ea25f1e8785e43b4be58a5311d3c2302fe796d227651eb042e67e2b94e334d02172d6e
SSDEEP 24576:djB+SSqXrvrGUR6PY1JYhqRf9tDqO+9jlKxrRCK:ZBYqXQc9tDF+98R7
TLSH
T1BB159D87F5E751BCD26BC07483669A73FA31F84901107EBB56E4CB303D62E906B18B69
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat

File Explorer

2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat

.exe 913KB

2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat

IMPHASH 61ac4d069c45f7f1105b251f07cb0093
SHA256 2f25bdb328e22f9cd0336839e9aded37b2ff225fe99fa6b0746c02fe59e799a1
MD5 e681576fbfa0e8bebe934bbd0e102947
SHA1 6dc899c222969976cea0ea63a7293f7d99cc5189
SHA512 4b8fcb9d635e8de599bda25205859bd06eed802c3bde8abe6fa0fe17a1ea25f1e8785e43b4be58a5311d3c2302fe796d227651eb042e67e2b94e334d02172d6e
SSDEEP 24576:djB+SSqXrvrGUR6PY1JYhqRf9tDqO+9jlKxrRCK:ZBYqXQc9tDF+98R7
TLSH
T1BB159D87F5E751BCD26BC07483669A73FA31F84901107EBB56E4CB303D62E906B18B69
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5152

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

kernel32

AddVectoredExceptionHandler CloseHandle CreateFileMappingA CreateProcessW CreateRemoteThread CreateToolhelp32Snapshot CreateWaitableTimerExW DuplicateHandle FormatMessageW FreeLibrary GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetLastError GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetThreadContext HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete LoadLibraryA MapViewOfFile Module32FirstW Module32NextW OpenProcess OpenThread QueueUserAPC ReadProcessMemory ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetLastError SetThreadContext SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SuspendThread Thread32First Thread32Next TlsAlloc TlsFree TlsGetValue TlsSetValue UnmapViewOfFile VirtualAllocEx VirtualProtectEx WaitForSingleObject WriteProcessMemory CreateFileW DeleteCriticalSection EnterCriticalSection GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetEnvironmentVariableW GetFileInformationByHandle GetFileInformationByHandleEx GetFullPathNameW GetStdHandle InitializeCriticalSection LeaveCriticalSection MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException RtlUnwindEx VirtualProtect VirtualQuery WriteConsoleW __C_specific_handler

ntdll

NtQueryInformationProcess NtUnmapViewOfSection RtlNtStatusToDosError NtWriteFile

api-ms-win-crt-environment-l1-1-0

__p__environ

api-ms-win-crt-heap-l1-1-0

_set_new_mode calloc free malloc

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-private-l1-1-0

memcmp memcpy memmove

api-ms-win-crt-runtime-l1-1-0

_set_app_type __p___argc __p___argv _cexit _configure_narrow_argv _crt_atexit _exit _fpreset _initialize_narrow_environment _initterm _initterm_e _set_invalid_parameter_handler abort exit signal

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf fflush setvbuf

api-ms-win-crt-string-l1-1-0

memset strlen strncmp

Name

.text

Size

679KB

Virtual Size

679KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

195KB

Virtual Size

194KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

10KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

17KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

640B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

1024B

Virtual Size

880B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-07-28_e681576fbfa0e8bebe934bbd0e102947_akira_quasar-rat

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

kernel32

ntdll

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

generic