uncrc32[.]exe | Triage

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General

Target

uncrc32.exe
Size

4.6MB
MD5

fd63d374f84ef45735f12f599638b713
SHA1

303fed315f9a9c18e96e13d4b4aeb1791ca35740
SHA256

e2e5c254a2e4bdc4926b6cad49f0f0fe3933b436de232c85c900c41a16888f55
SHA512

a97d3be75b0c9f0fbe1060e4874dd90791f33bbd21fea2179bfc57d1ec232b1758afb65fefd4601c5620176deef01262a3054d6683e08ccbf125ae1b0b1f3ed8
SSDEEP

98304:N9cm6yVyGHAeBSut+aFNnLlPLeqNZ8hY/vKbxabdDkvduupY0WseOkGvJ:N9XRlX+aFFLlPKQ8hY/9k40Ws26

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
uncrc32.exe

Files

uncrc32.exe
.exe windows:4 windows x86 arch:x86

4e3e7ce958acceeb80e70eeb7d75870e

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CreateProcessW
DeleteCriticalSection
EnterCriticalSection
ExpandEnvironmentStringsW
FormatMessageA
GetCommandLineW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentVariableW
GetExitCodeProcess
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
GetShortPathNameW
GetStartupInfoW
GetSystemTimeAsFileTime
GetTempPathW
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
SetDllDirectoryW
SetEnvironmentVariableW
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__argc
__dllonexit
__lconv_init
__set_app_type
__setusermatherr
__wargv
__wgetmainargs
__winitenv
_amsg_exit
_cexit
_findclose
_fileno
_fmode
_fullpath
_get_osfhandle
_getpid
_initterm
_iob
_lock
_onexit
_setmode
_stat
_strdup
_unlock
_vsnprintf
_vsnwprintf
_wcmdln
_wfindfirst
_wfindnext
_wfopen
_wmkdir
_wremove
_wrmdir
_wstat
_wtempnam
abort
calloc
clearerr
exit
fclose
feof
ferror
fflush
fprintf
fread
free
fseek
ftell
fwrite
getenv
malloc
mbstowcs
memcpy
setbuf
setlocale
signal
sprintf
strcat
strchr
strcmp
strcpy
strlen
strncat
strncmp
strncpy
strrchr
strtok
vfprintf
wcscat
wcscmp
wcscpy
wcslen

ws2_32

ntohl

Sections

.text
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 49KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 363KB - Virtual size: 363KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
uncrc32.pyc

Sharing

General

Malware Config

Signatures

Files

4e3e7ce958acceeb80e70eeb7d75870e

Headers

File Characteristics

Imports

kernel32

msvcrt

ws2_32

Sections

.text Size: 39KB - Virtual size: 39KB

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

.rdata Size: 20KB - Virtual size: 19KB

.bss Size: - Virtual size: 49KB

.idata Size: 3KB - Virtual size: 2KB

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

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 363KB - Virtual size: 363KB

.text
Size: 39KB - Virtual size: 39KB

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

.rdata
Size: 20KB - Virtual size: 19KB

.bss
Size: - Virtual size: 49KB

.idata
Size: 3KB - Virtual size: 2KB

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

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 363KB - Virtual size: 363KB