stager[.]exe | Triage

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General

Target

stager.exe
Size

965KB
MD5

528182768aa1bd3fa9493ad43aa031c3
SHA1

40e36425cbae0dfa0c9851f1a18a1899f625ed30
SHA256

db1de8a7407d2c63c71e96085d1f52bffd8db45beb5500333e9fbe5434ad3cae
SHA512

e6251280fde8b8a0ef83811ab8c2ae8a99d53d3b3f192c7e331d7d86fab9e9974ee3f54bf1541ca018f8662d4e5a4b6e3c7b024dfadb4cc67d0ab85c93f3c749
SSDEEP

12288:QWsoMmEJ20MDsmRCDvL2nE/lS/MxSMZGlsok7XYZnxpyFmruMI4oV:d4mEJWDWDvL2nE/lS/M7SxpyYuM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
stager.exe

Files

stager.exe
.exe windows:4 windows x64 arch:x64

9334272e0500587db8874f99402dede3

Headers

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

Imports

advapi32

GetTokenInformation
OpenProcessToken

kernel32

CloseHandle
CreateFileA
CreateProcessA
CreateSemaphoreW
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteProcThreadAttributeList
EnterCriticalSection
FormatMessageA
GetCurrentProcessId
GetCurrentThreadId
GetFileSize
GetLastError
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetTickCount64
HeapAlloc
InitializeCriticalSection
InitializeProcThreadAttributeList
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryW
LocalFree
MultiByteToWideChar
OpenProcess
Process32First
Process32Next
ProcessIdToSessionId
RaiseException
ReadFile
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UpdateProcThreadAttribute
VirtualAlloc
VirtualAllocEx
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_filelengthi64
_fileno
_fmode
_fstat64
_initterm
_lock
_lseeki64
_onexit
_unlock
_wfopen
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
iswctype
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
putc
putwc
realloc
setlocale
setvbuf
signal
strcmp
strcoll
strerror
strftime
strlen
strncmp
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm
_write
_stricmp
_read
_fileno
_fdopen

Sections

.text
Size: 755KB - Virtual size: 754KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9334272e0500587db8874f99402dede3

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

Sections

.text Size: 755KB - Virtual size: 754KB

.data Size: 19KB - Virtual size: 18KB

.rdata Size: 70KB - Virtual size: 69KB

.pdata Size: 44KB - Virtual size: 43KB

.xdata Size: 63KB - Virtual size: 62KB

.bss Size: - Virtual size: 3KB

.idata Size: 4KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 7KB - Virtual size: 7KB

.text
Size: 755KB - Virtual size: 754KB

.data
Size: 19KB - Virtual size: 18KB

.rdata
Size: 70KB - Virtual size: 69KB

.pdata
Size: 44KB - Virtual size: 43KB

.xdata
Size: 63KB - Virtual size: 62KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 4KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 7KB - Virtual size: 7KB