Behavioral task
behavioral1
Sample
26117e73d2cd9417ae54ffe789a2ff9bc71202f3d29c68b0374628cf04d9299b.exe
Resource
win7-20240903-en
General
-
Target
26117e73d2cd9417ae54ffe789a2ff9bc71202f3d29c68b0374628cf04d9299b
-
Size
924KB
-
MD5
d4c903dd16913f5133997999e217a079
-
SHA1
7a73a4e1d55c4265b3b5449b7a64fa08e18a7273
-
SHA256
26117e73d2cd9417ae54ffe789a2ff9bc71202f3d29c68b0374628cf04d9299b
-
SHA512
cb6be573946d278c814aeffe5a67e4473b7b5037191ca0de65003170744125f466b78c3ae47cd92c3ab66514a0659dee3794be086786e495310b58dc02c54e3f
-
SSDEEP
24576:dGq4MROxnFE33O3orrcI0AilFEvxHPXoop:duMiuMorrcI0AilFEvxHP
Malware Config
Extracted
orcus
Test_one
192.168.11.172:55505
8e30ae40441e44d7964395f4918297b2
-
autostart_method
TaskScheduler
-
enable_keylogger
true
-
install_path
%programfiles%\Realtek\Realtek.exe
-
reconnect_delay
10000
-
registry_keyname
Realtek HD Audio UniversaI Service
-
taskscheduler_taskname
Realtek HD Audio Universal Service
-
watchdog_path
AppData\Realtek_audio.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 26117e73d2cd9417ae54ffe789a2ff9bc71202f3d29c68b0374628cf04d9299b
Files
-
26117e73d2cd9417ae54ffe789a2ff9bc71202f3d29c68b0374628cf04d9299b.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: 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