Behavioral task
behavioral1
Sample
5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d.exe
Resource
win10v2004-20241007-en
General
-
Target
5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d
-
Size
924KB
-
MD5
62d70f8671fd2008fc9f0e17d57d809c
-
SHA1
8b743631a6ea12f7c00a3b586ebdc4e81d0cd892
-
SHA256
5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d
-
SHA512
58bf0a6e47079c3d38380966ac5216249e6eadff1c4d867cf72af1becde10de3ce5e75a4b0b59e832ab4983b65f1af1cd8c855620b744c33aee3c55debee14f4
-
SSDEEP
24576:ZGbU4MROxnFE3idc1RlrZlI0AilFEvxHiaj:ZGbHMiudblrZlI0AilFEvxHi
Malware Config
Extracted
orcus
testbuild1
127.0.0.1:1268
979c2ee9d7ff48d0a2e4e2df3c2c864d
-
autostart_method
Registry
-
enable_keylogger
true
-
install_path
%programfiles%\Common Files\System\HD Audio\HDAudio.exe
-
reconnect_delay
10000
-
registry_keyname
HDAudioDriver
-
taskscheduler_taskname
HDAudioDriver
-
watchdog_path
AppData\HDAudioWatchdog.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 5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d
Files
-
5420d84bccd4b32b628fa06aba8d0ad2e8da6e3c8c79a1f7ecc248033c9e4e3d.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