Backstab[.]exe

Sharing

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General

Target

Backstab.exe
Size

62KB
MD5

e2f69d9ccb378e6e15b3789bc66f1413
SHA1

22a3eabf1f54476915448019ffff20aa74a2a2cd
SHA256

cc1a9127e5e59bb0285131f68ad6ce45c06d53faf564480f581448db55c06b8c
SHA512

395c61e35f2e0b274b0cf0f8d0c5275e5117bda99693521931721fc0705b09f9816384ee3c88270a02c4bb52af8229b4879022c6863a2383d56387eaf227bb4d
SSDEEP

768:4tjVVzmf7ChOYpwwm6DMywlQdQjtO3YJlKCM+1Nh/ity4cTsiJ923OsqUD6Q4KIV:wjV4feDpwwm6DMy+Xxjb7e33JL43jC3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Backstab.exe

Files

Backstab.exe
.exe windows x64

96df3a3731912449521f6f8d183279b1

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

LocalAlloc
GetProcessInformation
HeapFree
GetProcessId
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
HeapAlloc
GetProcessHeap
GetExitCodeProcess
GetCurrentDirectoryW
CreateFileA
SizeofResource
WriteFile
CreateFileW
FreeResource
LockResource
DeleteFileW
LoadResource
FindResourceW
OpenProcess
CloseHandle
GetCurrentProcess
GetProcAddress
GetLastError
MultiByteToWideChar
DeviceIoControl
GetModuleHandleA
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleHandleW

advapi32

LookupPrivilegeValueW
AdjustTokenPrivileges
RegDeleteKeyExW
RegCreateKeyExW
RegSetValueExW
OpenProcessToken
GetTokenInformation

vcruntime140

__C_specific_handler
__current_exception
__current_exception_context
memset

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

calloc
_set_new_mode

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

__acrt_iob_func
__stdio_common_vsnwprintf_s
__stdio_common_vswprintf
_set_fmode
__stdio_common_vfprintf
__p__commode

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

strncmp
wcscpy_s

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

getenv

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

strtol
atoi

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

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

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 768B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

96df3a3731912449521f6f8d183279b1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

vcruntime140

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

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

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

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

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

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

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

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

Sections

.text Size: 12KB - Virtual size: 12KB

.rdata Size: 10KB - Virtual size: 10KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 768B

.rsrc Size: 36KB - Virtual size: 35KB

.reloc Size: 512B - Virtual size: 52B

.text
Size: 12KB - Virtual size: 12KB

.rdata
Size: 10KB - Virtual size: 10KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 768B

.rsrc
Size: 36KB - Virtual size: 35KB

.reloc
Size: 512B - Virtual size: 52B