orcus | ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8

General

Target

ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe
Size

845KB
MD5

830c9c0d7adb6ec30cdda116b4d53f10
SHA1

7e3235dd828895d6c90e702d49e0da1c3bb648cc
SHA256

ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8
SHA512

7d6c7cdd320408f8f0a213193003874e9ef7c998410bd1948e4f1d04bd083ab68933554960e91073c8e9c51e8cbee72adc479ea49ace65cb2baa3898c13499c9
SSDEEP

24576:q2S04YNEMuExDiU6E5R9s8xY/2l/dl9Ibt+ra:qS4auS+UjfU2Tl9Ibt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

Mutex

55ee5b72d56a4e479be0e6b3ff2cdc70

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
12/23/2024 13:42:19
plugins
AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgNABiAGMAYwA0AGMAMwBlADUAOQA0AGYANABiADAAZQA5ADUAMgA4AGIAMABhADAAMAAzADUAMwA1ADYAOQBiAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDMAMQA0ADkANABmADIAZgBhADYAZABjADQAMAA5ADEAYgBlAGIAZQBmAGQANgBhADMANwAwADEAYQA4AGIAOQABAAAEBA==
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

Executes dropped EXE 1 IoCs

pid	Process
2596	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2312	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.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	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe
2596	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2596	2312	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe	30
PID 2312 wrote to memory of 2596	2312	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe	30
PID 2312 wrote to memory of 2596	2312	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe	30
PID 2312 wrote to memory of 2596	2312	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe	30

C:\Users\Admin\AppData\Local\Temp\ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe
"C:\Users\Admin\AppData\Local\Temp\ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- 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:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
845KB

MD5
830c9c0d7adb6ec30cdda116b4d53f10

SHA1
7e3235dd828895d6c90e702d49e0da1c3bb648cc

SHA256
ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8

SHA512
7d6c7cdd320408f8f0a213193003874e9ef7c998410bd1948e4f1d04bd083ab68933554960e91073c8e9c51e8cbee72adc479ea49ace65cb2baa3898c13499c9

Download Submit
memory/2312-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

Filesize
4KB

Download
memory/2312-1-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-2-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-11-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-12-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-13-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-14-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-15-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-16-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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