Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20231215-en
General
-
Target
a.exe
-
Size
1.9MB
-
MD5
158c3f6a1d12a25ea545cc1ab7201fa6
-
SHA1
a5189f270141349e4f541046ac117e69244b76fc
-
SHA256
3be05df08f9d8cabd815e5cdd0bf2b9a51b11cd63dd414373f7e133b676c5cd4
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SHA512
4c54e8fb99206c1188d387e1fa29db904a0a6dbc56bcadbbd82e705355ff90ef6b85848d106902c9d32fc6a15de9715932591fb4996092a213e268b3bc1f5f55
-
SSDEEP
12288:SYgsyIhVDN9xdnu9eCWk2VR6aNA+nQWmibtvmrlMSwS3YT6D++0ZoEFv9dR6Vg3a:pyIhVxlzY2VGde5mmXZok3h32uQ5qU
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 windows x86 arch:x86
8ec04cf71a2634d71fa5e79c6bdb03fe
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CloseHandle
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FreeLibrary
GetCommandLineA
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
InterlockedDecrement
InterlockedExchange
InterlockedIncrement
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
msvcrt
_strdup
_stricoll
_write
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_fpreset
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
abort
atexit
atoi
calloc
fopen
fputc
fputs
free
fwrite
getenv
iswctype
localeconv
malloc
mbstowcs
memchr
memcmp
memcpy
memmove
memset
realloc
setlocale
signal
sprintf
strchr
strcmp
strcoll
strerror
strftime
strlen
strtod
strtoul
strxfrm
system
tolower
towlower
towupper
vfprintf
wcscoll
wcsftime
wcslen
wcstombs
wcsxfrm
user32
CreateWindowExA
DefWindowProcA
DispatchMessageA
GetMessageA
LoadCursorA
LoadIconA
MessageBoxA
PostQuitMessage
RegisterClassExA
TranslateMessage
Sections
.text Size: 608KB - Virtual size: 607KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 198KB - Virtual size: 197KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 2KB
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: 24B
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
/14 Size: 512B - Virtual size: 216B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/29 Size: 84KB - Virtual size: 83KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/41 Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/55 Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/67 Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/80 Size: 1024B - Virtual size: 686B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/91 Size: 33KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/102 Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ