Behavioral task
behavioral1
Sample
b8aaabe830eb2c65c001e87366219ebd6f6c3ec49454102fa3ae30ed5c8f7bfbN.exe
Resource
win7-20240903-en
General
-
Target
b8aaabe830eb2c65c001e87366219ebd6f6c3ec49454102fa3ae30ed5c8f7bfbN
-
Size
416KB
-
MD5
3baf80ddbd2fb28a5c86969fc661aed0
-
SHA1
830be4ae74400b7524cb227889e1fd99c2baa985
-
SHA256
b8aaabe830eb2c65c001e87366219ebd6f6c3ec49454102fa3ae30ed5c8f7bfb
-
SHA512
f83e76665d3ab16d01450f043048c7fa976347bbdd7dbdd38e147a06b3e7f9f666529e313c3b571fb0828ed5670bf2a578989e0324adefb84fe63ad457895ff6
-
SSDEEP
3072:GaqfMXKUQBsYofOWGd2Mm+HIUgJrLmxavXjw:Gaqf90+d2MmUIUghL+avX
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b8aaabe830eb2c65c001e87366219ebd6f6c3ec49454102fa3ae30ed5c8f7bfbN
Files
-
b8aaabe830eb2c65c001e87366219ebd6f6c3ec49454102fa3ae30ed5c8f7bfbN.exe windows:4 windows x86 arch:x86
ea07f2ac192cd31dd964086469a4b1df
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
CloseHandle
CreateSemaphoreA
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FreeLibrary
GetCommandLineA
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
GetProcessHeap
GetStartupInfoA
HeapAlloc
HeapFree
InitializeCriticalSection
InterlockedDecrement
InterlockedIncrement
IsBadReadPtr
LeaveCriticalSection
LoadLibraryA
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_iob
_onexit
_setmode
_winmajor
abort
atexit
calloc
fputc
fputs
free
fwrite
malloc
memcpy
memmove
memset
realloc
signal
sprintf
strcmp
strcpy
strlen
vfprintf
_write
Sections
UPX0 Size: 192KB - Virtual size: 192KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 172KB - Virtual size: 172KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE