Behavioral task
behavioral1
Sample
3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
Resource
win7-20240221-en
General
-
Target
3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d
-
Size
921KB
-
MD5
5dc7ba557d1063adef1eb6ddd8e0fd7e
-
SHA1
0e5a33a81db4709ddfc591c8b2dc5ec1958fc0ca
-
SHA256
3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d
-
SHA512
2b3da40b9684d6e1aac29967ddaa1a300b59afd4b9b59b74e094c66d20cae979c9a9780c202d4e3ad96270dd06820df500b5bfb798129dbbb8cb0254f9360a56
-
SSDEEP
24576:5ey4MROxnFt3/YrrcI0AilFEvxHPUooL:5aMijgrrcI0AilFEvxHP
Malware Config
Extracted
orcus
te1.tunnelin.com:58172
db6d3ae780044a5887936785b42c15ad
-
autostart_method
TaskScheduler
-
enable_keylogger
true
-
install_path
%programdata%\Microsoft Security\ntoskrnl.exe
-
reconnect_delay
10000
-
registry_keyname
Windows Defender
-
taskscheduler_taskname
Microsoft_Security
-
watchdog_path
Temp\5BE731319AC3C9A3FBF49A732595E665F.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 3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d
Files
-
3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 918KB - Virtual size: 917KB
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