Alkaid[.]exe | Triage™

Sharing

Copy URL Twitter E-mail

General

Target
Alkaid.exe
Size 3.0MB
Sample260930-rlgbea113r
SHA256 3e029ec6feda667643596a708d40e3e659947a300e71168b93af093750948d7b
MD5 d9998304d15e2e5067bf4762cb28012f
SHA1 f1e5b4d06f6d60265bd68f6e81e235e656a6bd39
SHA512 ec5f217ab9aff8831c97c387b63211ee1bbab8d16f46f5e95293150441ad615cd3dff46190f47ed6d84b8a7dc7879197f330204b8ba67276e6bb53ea99e1d883
SSDEEP 49152:vKSdX7joAedp40bA3kCBpKMQkgklTObQatOSVhw01zEtC74YgBh:BL4p40kUCbnSwC5thVhw01wtCMYgBh
TLSH
T10AE5230B73A71CBCC75B903682E7D7327432F45406216D7E6A4DCB7E6D748680F6AA24
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Alkaid.exe

File Explorer

Alkaid.exe

.exe 3.0MB

Alkaid.exe

IMPHASH ba701b196af321c655c3a8a080e5316b
SHA256 3e029ec6feda667643596a708d40e3e659947a300e71168b93af093750948d7b
MD5 d9998304d15e2e5067bf4762cb28012f
SHA1 f1e5b4d06f6d60265bd68f6e81e235e656a6bd39
SHA512 ec5f217ab9aff8831c97c387b63211ee1bbab8d16f46f5e95293150441ad615cd3dff46190f47ed6d84b8a7dc7879197f330204b8ba67276e6bb53ea99e1d883
SSDEEP 49152:vKSdX7joAedp40bA3kCBpKMQkgklTObQatOSVhw01zEtC74YgBh:BL4p40kUCbnSwC5thVhw01wtCMYgBh
TLSH
T10AE5230B73A71CBCC75B903682E7D7327432F45406216D7E6A4DCB7E6D748680F6AA24
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Password

111

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

advapi32

AdjustTokenPrivileges CreateProcessAsUserA DuplicateTokenEx GetTokenInformation GetUserNameA LookupPrivilegeValueA OpenProcessToken

kernel32

CloseHandle CreateEventA CreateFileA CreateProcessA CreateSemaphoreA CreateThread DeleteCriticalSection DeleteFileA DuplicateHandle EnterCriticalSection FormatMessageA GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDiskFreeSpaceExA GetFileSize GetLastError GetModuleFileNameA GetModuleHandleA GetProcAddress GetProcessAffinityMask GetStartupInfoA GetSystemDirectoryA GetSystemInfo GetSystemTimeAsFileTime GetTempPathA GetThreadContext GetThreadPriority GetTickCount GlobalMemoryStatusEx InitializeCriticalSection IsDBCSLeadByte IsDebuggerPresent LeaveCriticalSection LoadLibraryA LocalFree OpenProcess OutputDebugStringA QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFile ReleaseSemaphore ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEvent SetFilePointer SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WriteFile

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

mbsrtowcs strtoul

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

__p__environ getenv

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

_set_new_mode calloc free malloc realloc

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

__C_specific_handler __intrinsic_setjmpex longjmp memchr memcmp memcpy memmove strchr strstr

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

__p___argc __p___argv __p__acmdln _assert _beginthreadex _cexit _configure_narrow_argv _crt_atexit _endthreadex _errno _exit _initialize_narrow_environment _set_app_type _initterm _initterm_e _set_invalid_parameter_handler abort exit signal strerror

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vsprintf __stdio_common_vsprintf_s _fileno _read _setmode fflush fputc fputs fwrite setvbuf

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

_strdup memset strcat_s strcmp strcpy_s strlen strncmp

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

rand_s

user32

MessageBoxA

Name

.text

Size

142KB

Virtual Size

141KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

11KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

9KB

Virtual Size

9KB

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

6KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

32B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

14KB

Virtual Size

13KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Alkaid.exe

advapi32

kernel32

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

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

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

user32

generic