Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
a.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
a.exe
Resource
win11-20240802-en
General
-
Target
a.exe
-
Size
45KB
-
MD5
f683bfcbca59f66336c4a102b93eeedc
-
SHA1
db5e9d888a94ae4117056d5e26c78d49c8851c04
-
SHA256
0135e1ae44af709d8f460559688686147d7777398975377ad16cedb28e41ea86
-
SHA512
dd7f3a5670ee2649495b006f8f668856279f4d5df24098d56297e4e930121cd4b7c41ca0d73c18b247ac7ad7cb8c28a644c5778ad601793c80ae605248e9ced5
-
SSDEEP
768:qOlDROUBE2phG8aRn42jVcyrXaOJLfQ/QpMH:9tROVRncQLfQ/QA
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
0de1d4b2875b457a0c8ec39d2db20483
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
libgcc_s_dw2-1
__deregister_frame_info
__register_frame_info
kernel32
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetProcAddress
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
api-ms-win-crt-environment-l1-1-0
__p__environ
__p__wenviron
api-ms-win-crt-heap-l1-1-0
_set_new_mode
calloc
free
malloc
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-private-l1-1-0
memcpy
api-ms-win-crt-runtime-l1-1-0
_set_app_type
__p___argc
__p___argv
__p___wargv
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_invalid_parameter_handler
abort
exit
signal
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
fwrite
api-ms-win-crt-string-l1-1-0
strlen
strncmp
api-ms-win-crt-time-l1-1-0
__daylight
__timezone
__tzname
_tzset
Sections
.text Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 152B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 144B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1024B - Virtual size: 652B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ