orcus | b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd

General

Target

b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe
Size

840KB
MD5

f7f107a2c4c837253f60c06159f25e66
SHA1

76726e798bfb1101596b37fa048a2d76b88c20e1
SHA256

b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd
SHA512

1ec94604fea2793b527d17a103ebee5e38aef333d9696c4571f2e7075fc8bc8cec24c3f7e227d37798f0d4939cb0aa97d3482dc51ee6fd169044faca8aeb8a67
SSDEEP

24576:0LFS04YNEMuExDiU6E5R9s8xY/2l/d6N1Ibt+r+:0L34auS+UjfU2T21Ibt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

Mutex

d285de69bf4148bab013f46dc9a8b0ae

Attributes

administration_rights_required
false
anti_debugger
false
anti_tcp_analyzer
false
antivm
false
autostart_method
1
change_creation_date
false
force_installer_administrator_privileges
false
hide_file
false
install
false
installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
installservice
false
keylogger_enabled
false
newcreationdate
01/25/2025 20:19:33
plugins
AgEAAA==
reconnect_delay
10000
registry_autostart_keyname
Audio HD Driver
registry_hidden_autostart
false
set_admin_flag
false
tasksch_name
Audio HD Driver
tasksch_request_highest_privileges
false
try_other_autostart_onfail
false

aes.plain

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcus family
orcus

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe

Executes dropped EXE 1 IoCs

pid	Process
4044	AudioDriver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 4044	3808	b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe	84
PID 3808 wrote to memory of 4044	3808	b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe	84
PID 3808 wrote to memory of 4044	3808	b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe	84

C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe
"C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
840KB

MD5
f7f107a2c4c837253f60c06159f25e66

SHA1
76726e798bfb1101596b37fa048a2d76b88c20e1

SHA256
b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd

SHA512
1ec94604fea2793b527d17a103ebee5e38aef333d9696c4571f2e7075fc8bc8cec24c3f7e227d37798f0d4939cb0aa97d3482dc51ee6fd169044faca8aeb8a67

Download Submit
memory/3808-4-0x00000000054E0000-0x0000000005A84000-memory.dmp

Filesize
5.6MB

Download
memory/3808-1-0x0000000000440000-0x0000000000518000-memory.dmp

Filesize
864KB

Download
memory/3808-3-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3808-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/3808-5-0x0000000005390000-0x0000000005422000-memory.dmp

Filesize
584KB

Download
memory/3808-6-0x00000000052F0000-0x000000000533C000-memory.dmp

Filesize
304KB

Download
memory/3808-2-0x00000000029B0000-0x00000000029BA000-memory.dmp

Filesize
40KB

Download
memory/3808-21-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3808-9-0x0000000005430000-0x000000000547E000-memory.dmp

Filesize
312KB

Download
memory/4044-23-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-22-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-24-0x0000000005AF0000-0x0000000005CB2000-memory.dmp

Filesize
1.8MB

Download
memory/4044-25-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4044-26-0x0000000005DC0000-0x0000000005DCA000-memory.dmp

Filesize
40KB

Download
memory/4044-27-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing