DllRegisterServer
Static task
static1
Behavioral task
behavioral1
Sample
991.dll
Resource
win7-20240704-en
General
-
Target
991.dll.exe
-
Size
155KB
-
MD5
a2e901821a56ab18c2add1bd4d72dc1a
-
SHA1
e3ee37393cad3fbbc2fe786b196fad5963fdecd9
-
SHA256
8f08defd990feae3f9bd04a1693f6a6bc535a2ffc54a20ba2cca7b31794cb397
-
SHA512
19132e613b4287acb984be4a728e7ab1d387c00b4ec4e0f7d4750a25beb70657a29d458f4340b0818300cb7c506d01b744d1dd059cfa812c5f02b21eece7e70e
-
SSDEEP
3072:udqvh/Abm0ml3NAa0fgFymbcp8tZvKu56DnATFOeKrB:GcJAbmvlqlmtZvCDATF3y
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 991.dll.exe
Files
-
991.dll.exe.dll regsvr32 windows:4 windows x64 arch:x64
c21fd41af2cf2392ca8ea5044cf42f43
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetProcAddress
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
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
api-ms-win-crt-private-l1-1-0
memcpy
api-ms-win-crt-runtime-l1-1-0
__p___argc
__p___argv
__p___wargv
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_execute_onexit_table
_exit
_initialize_narrow_environment
_initialize_onexit_table
_initialize_wide_environment
_initterm
_register_onexit_function
abort
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
__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
Exports
Exports
Sections
.text Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 124KB - Virtual size: 123KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
/4 Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 1024B - Virtual size: 632B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 352B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.edata Size: 512B - Virtual size: 76B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 88B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 120B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ