orcus | cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716

General

Target

cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
Size

839KB
MD5

de58c31b9def12ce05e8c5cbda187d6c
SHA1

c400683bd6a1664b7e205ce41e154287b03e0cc3
SHA256

cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716
SHA512

893e6876a76fa0506742278994955da675dc378413f45f127d3a69e8f316589b1ca8e52a9a9a6d70397d205373f7bad6da66da341d6a5084a53dd6b36893ab8a
SSDEEP

24576:hFS04YNEMuExDiU6E5R9s8xY/2l/dVt1Ibt+rj:h34auS+UjfU2TVrIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

10.0.0.203

Mutex

1c4b4a02665a4ed8944dfdbbd1996019

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
12/27/2024 20:15:44
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

Executes dropped EXE 1 IoCs

pid	Process
2156	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.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	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe
2156	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2156	2920	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	31
PID 2920 wrote to memory of 2156	2920	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	31
PID 2920 wrote to memory of 2156	2920	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	31
PID 2920 wrote to memory of 2156	2920	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	31

C:\Users\Admin\AppData\Local\Temp\cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
"C:\Users\Admin\AppData\Local\Temp\cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- 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:2156

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
839KB

MD5
de58c31b9def12ce05e8c5cbda187d6c

SHA1
c400683bd6a1664b7e205ce41e154287b03e0cc3

SHA256
cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716

SHA512
893e6876a76fa0506742278994955da675dc378413f45f127d3a69e8f316589b1ca8e52a9a9a6d70397d205373f7bad6da66da341d6a5084a53dd6b36893ab8a

Download Submit
memory/2156-12-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-13-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-14-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download
memory/2920-0-0x0000000073D71000-0x0000000073D72000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download
memory/2920-2-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download
memory/2920-11-0x0000000073D70000-0x000000007431B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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