Behavioral task
behavioral1
Sample
32fb6efc9f3f4901cec09eba19168797147e91bff1cae8deadb84cf60c020801.exe
Resource
win7-20231215-en
General
-
Target
32fb6efc9f3f4901cec09eba19168797147e91bff1cae8deadb84cf60c020801
-
Size
924KB
-
MD5
20deef4284ad2edfd11ff24f41eba5fc
-
SHA1
4a4712770f4a70937b5ca36e09b4daca6aa4e084
-
SHA256
32fb6efc9f3f4901cec09eba19168797147e91bff1cae8deadb84cf60c020801
-
SHA512
47c87cee5372c5b75f8d8938e7f94548d969e8014d22780d921ac43d4789b256e4c4be340aee59682d29788b16641fde57bc7335a6d53db419d32c6a96368109
-
SSDEEP
24576:XU64MROxnFE3sIMrrcI0AilFEvxHjfrIQ9:XUJMiupMrrcI0AilFEvxHj
Malware Config
Extracted
orcus
nonamedc.mcv.kr:8080
2d5f462f00ed43cba223b57c0a9d157a
-
autostart_method
Registry
-
enable_keylogger
true
-
install_path
%programfiles%\WSupdate\WSupdate.exe
-
reconnect_delay
10000
-
registry_keyname
WSupdate
-
taskscheduler_taskname
WSupdates
-
watchdog_path
Temp\WSupdate.exe
Signatures
-
Orcurs Rat Executable 1 IoCs
resource yara_rule sample orcus -
Orcus family
-
Orcus main payload 1 IoCs
resource yara_rule sample family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 32fb6efc9f3f4901cec09eba19168797147e91bff1cae8deadb84cf60c020801
Files
-
32fb6efc9f3f4901cec09eba19168797147e91bff1cae8deadb84cf60c020801.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 921KB - Virtual size: 921KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ