Static task
static1
Behavioral task
behavioral1
Sample
Updater.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Updater.exe
Resource
win10v2004-20230220-en
General
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Target
Updater.exe
-
Size
34KB
-
MD5
77026d4a56c1b0fcc888df92a39518a6
-
SHA1
69f2ddedeb3eb4ba5536525e76738ef509923f20
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SHA256
8b6a579e0a375c0f3aa1da072c1decf415a6989fcef9cd1dca3aac6db9bace29
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SHA512
b8b03827aa958e385a61c625091c4bb9a0f1fcd2340a01fe2ef77ece624a898860252c04395511424e5de8025fc7dad2c6c336c2715d537c620953657d17c6de
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SSDEEP
768:7oT6qZZy9OqwrdKi+1OI4V4iIF/jfIKL:7oTb8w5LxOf7L
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Updater.exe
Files
-
Updater.exe.exe windows x64
d3124089050eb4f99e449b18c8ee9d1c
Headers
DLL Characteristics
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
Process32First
FindFirstFileA
lstrcmpiA
FindClose
Process32Next
CreateToolhelp32Snapshot
CloseHandle
Sleep
CreateProcessA
GetCurrentProcessId
DeleteFileA
GetSystemTimeAsFileTime
GetCurrentThreadId
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
QueryPerformanceCounter
GetTickCount
IsDebuggerPresent
user32
MessageBoxA
msvcr90
fread
fprintf
fseek
fclose
??2@YAPEAX_K@Z
_stricmp
__iob_func
fgetws
wcspbrk
fwrite
toupper
_mkdir
??3@YAXPEAX@Z
_amsg_exit
__getmainargs
__C_specific_handler
_XcptFilter
_exit
_cexit
exit
__initenv
_initterm
_initterm_e
_configthreadlocale
__setusermatherr
_commode
_fmode
_encode_pointer
__set_app_type
__crt_debugger_hook
?terminate@@YAXXZ
_unlock
__dllonexit
_lock
_onexit
_decode_pointer
printf
vsprintf_s
fopen_s
atoi
fflush
fgetpos
strstr
sprintf_s
sprintf
getchar
memset
unrar
RARProcessFile
RARReadHeaderEx
RAROpenArchiveEx
RARCloseArchive
Sections
.text Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 408B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 60B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ