Loader[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

Loader.exe
Size

2.9MB
MD5

4d76f57d5f1fca635418c51d73d9e92a
SHA1

5da23d35d90f7e76da7b20a38d9bff8473aa0d77
SHA256

0f8af1f987e1ffdf09d2761f34d0261afe6506e5b90473d91f53ce052d988ca0
SHA512

05c698825d41c838a8e80311cb888378e5df55fab223cbebd3e81fb20e77f2dc553a63e534ad4d7151a41278d11658c479e27b318f6408e3880600c9dab0ce3d
SSDEEP

24576:9jvJUfCJoa2nMYJq3qUhtm+f+tqVjNshY/sfEyQm8A5vmN+55JiwfteBQMuWHsUo:n73i57BxW7lERAMO6zYhdKl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Loader.exe

Files

Loader.exe
.exe windows:6 windows x64 arch:x64

4aec228180e9dab0d4fa19de4a2be5db

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

GetCurrentProcess
TerminateProcess
ResumeThread
VirtualAlloc
VirtualFree
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetSystemInfo
VirtualAllocEx
VirtualFreeEx
GetFileAttributesW
GetModuleFileNameW
GetModuleHandleW
LocalFree
MultiByteToWideChar
CreateFileW
DeleteFileW
GetTempFileNameW
WriteFile
GetTempPathW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
CreateActCtxW
ReleaseActCtx
GetNativeSystemInfo
OutputDebugStringA
DeviceIoControl
DuplicateHandle
ResetEvent
WaitForSingleObject
GetCurrentThread
GetTickCount
GetEnvironmentVariableW
GetCurrentDirectoryW
GetSystemDirectoryW
GetWindowsDirectoryW
GetSystemWow64DirectoryW
ActivateActCtx
LeaveCriticalSection
Module32FirstW
GetCurrentProcessId
OpenProcess
IsWow64Process
CreateNamedPipeW
TerminateThread
GetCurrentThreadId
Thread32First
Thread32Next
Sleep
GetExitCodeThread
GetProcAddress
LoadLibraryW
OpenThread
SuspendThread
GetThreadTimes
CreateRemoteThread
GetThreadContext
SetThreadContext
VirtualProtectEx
VirtualQueryEx
ReadProcessMemory
WriteProcessMemory
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
EnterCriticalSection
InitializeCriticalSection
CloseHandle
Wow64RevertWow64FsRedirection
Wow64DisableWow64FsRedirection
GetSystemTimeAsFileTime
QueryPerformanceCounter
OutputDebugStringW
DeleteCriticalSection
InitializeCriticalSectionEx
GetLastError
DeactivateActCtx
ReleaseSRWLockExclusive
IsDebuggerPresent
InitializeSListHead

user32

wsprintfW

ole32

CoCreateInstance
CoInitialize
CoUninitialize

oleaut32

SysFreeString

advapi32

RegQueryValueExW
RegOpenKeyExW
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenThreadToken
OpenProcessToken
RegEnumValueW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegSetValueExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

msvcp140

?width@ios_base@std@@QEAA_J_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?flags@ios_base@std@@QEBAHXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Random_device@std@@YAIXZ
?_Xout_of_range@std@@YAXPEBD@Z
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?eback@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?gptr@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?pbase@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?pptr@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?egptr@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?gbump@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXH@Z
?setg@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W00@Z
?epptr@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEBAPEA_WXZ
?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W0@Z
?setp@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXPEA_W00@Z
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAPEA_WXZ
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?tie@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBAPEAV?$basic_ostream@_WU?$char_traits@_W@std@@@2@XZ
?rdbuf@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBAPEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@2@XZ
?fill@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WXZ
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAPEAV12@PEA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEB_W_J@Z
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEA_W_J@Z
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAGXZ
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?_Xbad_function_call@std@@YAXXZ
?width@ios_base@std@@QEBA_JXZ
?uncaught_exception@std@@YA_NXZ
?_Xlength_error@std@@YAXPEBD@Z
?good@ios_base@std@@QEBA_NXZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ

shlwapi

SHDeleteKeyW

vcruntime140

_purecall
__C_specific_handler
memcmp
__current_exception_context
memset
__std_exception_copy
_CxxThrowException
memmove
memchr
memcpy
__current_exception
__std_exception_destroy
__std_terminate

vcruntime140_1

__CxxFrameHandler4

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

_cexit
_seh_filter_exe
_register_onexit_function
_initialize_onexit_table
_get_initial_narrow_environment
_initterm
_initterm_e
exit
_exit
_initialize_narrow_environment
__p___argc
_crt_atexit
_c_exit
_register_thread_local_exe_atexit_callback
_configure_narrow_argv
terminate
_invalid_parameter_noinfo_noreturn
_set_app_type
__p___argv

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

malloc
free
_set_new_mode
realloc
_callnewh

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

__stdio_common_vswprintf_s
_set_fmode
__stdio_common_vsprintf
__stdio_common_vsprintf_s
__p__commode

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

ceilf
__setusermatherr

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

wcscpy_s
wcstok_s
_stricmp
_wcsicmp
towlower

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

atoi
wcstol

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

_configthreadlocale

Exports

Exports

??0Assembler@asmjit@@QEAA@PEAURuntime@1@@Z
??0CodeGen@asmjit@@QEAA@PEAURuntime@1@@Z
??0HostRuntime@asmjit@@QEAA@XZ
??0JitRuntime@asmjit@@QEAA@XZ
??0Runtime@asmjit@@QEAA@XZ
??0StaticRuntime@asmjit@@QEAA@PEAX_K@Z
??0VMemMgr@asmjit@@QEAA@PEAX@Z
??0X86Assembler@asmjit@@QEAA@PEAURuntime@1@I@Z
??0Zone@asmjit@@QEAA@_K@Z
??1Assembler@asmjit@@UEAA@XZ
??1CodeGen@asmjit@@UEAA@XZ
??1HostRuntime@asmjit@@UEAA@XZ
??1JitRuntime@asmjit@@UEAA@XZ
??1Runtime@asmjit@@UEAA@XZ
??1StaticRuntime@asmjit@@UEAA@XZ
??1VMemMgr@asmjit@@QEAA@XZ
??1X86Assembler@asmjit@@UEAA@XZ
??1Zone@asmjit@@QEAA@XZ
??_FVMemMgr@asmjit@@QEAAXXZ
?_alloc@Zone@asmjit@@QEAAPEAX_K@Z
?_emit@X86Assembler@asmjit@@UEAAIIAEBUOperand@2@000@Z
?_grow@Assembler@asmjit@@QEAAI_K@Z
?_grow@PodVectorBase@asmjit@@IEAAI_K0@Z
?_newLabel@Assembler@asmjit@@QEAAIPEAULabel@2@@Z
?_newLabelLink@Assembler@asmjit@@QEAAPEAULabelLink@2@XZ
?_nullData@PodVectorBase@asmjit@@2UPodVectorData@2@B
?_registerIndexedLabels@Assembler@asmjit@@QEAAI_K@Z
?_relocCode@X86Assembler@asmjit@@UEBA_KPEAX_K@Z
?_reserve@Assembler@asmjit@@QEAAI_K@Z
?_reserve@PodVectorBase@asmjit@@IEAAI_K0@Z
?_x86CondToCmovcc@asmjit@@3QBIB
?_x86CondToJcc@asmjit@@3QBIB
?_x86CondToSetcc@asmjit@@3QBIB
?_x86InstExtendedInfo@asmjit@@3QBUX86InstExtendedInfo@1@B
?_x86InstInfo@asmjit@@3QBUX86InstInfo@1@B
?_x86ReverseCond@asmjit@@3QBIB
?add@JitRuntime@asmjit@@UEAAIPEAPEAXPEAUAssembler@2@@Z
?add@StaticRuntime@asmjit@@UEAAIPEAPEAXPEAUAssembler@2@@Z
?align@X86Assembler@asmjit@@UEAAIII@Z
?alloc@VMemMgr@asmjit@@QEAAPEAX_KI@Z
?alloc@VMemUtil@asmjit@@SAPEAX_KPEA_KI@Z
?allocProcessMemory@VMemUtil@asmjit@@SAPEAXPEAX_KPEA_KI@Z
?allocZeroed@Zone@asmjit@@QEAAPEAX_K@Z
?bind@Assembler@asmjit@@UEAAIAEBULabel@2@@Z
?callCpuId@X86CpuUtil@asmjit@@SAXIIPEATX86CpuId@2@@Z
?detect@X86CpuUtil@asmjit@@SAXPEAUX86CpuInfo@2@@Z
?detectHwThreadsCount@CpuInfo@asmjit@@SAIXZ
?dup@Zone@asmjit@@QEAAPEAXPEBX_K@Z
?embed@Assembler@asmjit@@UEAAIPEBXI@Z
?embedLabel@X86Assembler@asmjit@@QEAAIAEBULabel@2@@Z
?emit@Assembler@asmjit@@QEAAII@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@00@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@00H@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@00_K@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@0@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@0H@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@0_K@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@H@Z
?emit@Assembler@asmjit@@QEAAIIAEBUOperand@2@_K@Z
?emit@Assembler@asmjit@@QEAAIIH@Z
?emit@Assembler@asmjit@@QEAAII_K@Z
?flush@HostRuntime@asmjit@@UEAAXPEAX_K@Z
?getCpuInfo@HostRuntime@asmjit@@UEAAPEBUCpuInfo@2@XZ
?getHost@CpuInfo@asmjit@@SAPEBU12@XZ
?getPageGranularity@VMemUtil@asmjit@@SA_KXZ
?getPageSize@VMemUtil@asmjit@@SA_KXZ
?getStackAlignment@HostRuntime@asmjit@@UEAAIXZ
?make@Assembler@asmjit@@UEAAPEAXXZ
?noOperand@asmjit@@3UOperand@1@B
?ptr_abs@x86@asmjit@@YA?AUX86Mem@2@_KAEBUX86Reg@2@IHI@Z
?ptr_abs@x86@asmjit@@YA?AUX86Mem@2@_KHI@Z
?release@JitRuntime@asmjit@@UEAAIPEAX@Z
?release@StaticRuntime@asmjit@@UEAAIPEAX@Z
?release@VMemMgr@asmjit@@QEAAIPEAX@Z
?release@VMemUtil@asmjit@@SAIPEAX_K@Z
?releaseProcessMemory@VMemUtil@asmjit@@SAIPEAX0_K@Z
?relocCode@Assembler@asmjit@@QEBA_KPEAX_K@Z
?reset@Assembler@asmjit@@QEAAX_N@Z
?reset@PodVectorBase@asmjit@@QEAAX_N@Z
?reset@VMemMgr@asmjit@@QEAAXXZ
?reset@Zone@asmjit@@QEAAX_N@Z
?sdup@Zone@asmjit@@QEAAPEADPEBD@Z
?setArch@X86Assembler@asmjit@@QEAAII@Z
?setError@CodeGen@asmjit@@QEAAIIPEBD@Z
?setErrorHandler@CodeGen@asmjit@@QEAAIPEAUErrorHandler@2@@Z
?sformat@Zone@asmjit@@QEAAPEADPEBDZZ
?shrink@VMemMgr@asmjit@@QEAAIPEAX_K@Z
?x86RegData@asmjit@@3UX86RegData@1@B

Sections

.text
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 668B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4aec228180e9dab0d4fa19de4a2be5db

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

oleaut32

advapi32

msvcp140

shlwapi

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 2.8MB - Virtual size: 2.8MB

.rdata Size: 75KB - Virtual size: 75KB

.data Size: 4KB - Virtual size: 7KB

.pdata Size: 11KB - Virtual size: 10KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 1024B - Virtual size: 668B

.text
Size: 2.8MB - Virtual size: 2.8MB

.rdata
Size: 75KB - Virtual size: 75KB

.data
Size: 4KB - Virtual size: 7KB

.pdata
Size: 11KB - Virtual size: 10KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 1024B - Virtual size: 668B