orcus | b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1

General

Target

b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe
Size

961KB
MD5

1b63baff5252f8847540598907c19193
SHA1

d34dc6a8a78bf62071b5f529f1456fe5002cfb6e
SHA256

b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1
SHA512

1a6b31064ec5d339011e4d4ba48fa7594dd5810f541a88639d1e2cfbba9ac5fe0dab61b2d6f8016f1cffd4880958c58d9a7fc1d432678f20ec0591f2f9da19a3
SSDEEP

24576:U9KS04YNEMuExDiU6E5R9s8xY/2l/dO5Ibt+rr8TqkVa26G5/s:U9G4auS+UjfU2TQIbt+rLkVa2l/s

Score

10^/10

orcus gamebooster discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

GameBooster

C2

5email-hitting.gl.at.ply.gg

Mutex

e2f74462da604b0990361f69241a92d2

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
10/20/2024 20:50:49
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

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

Processes:

b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe

Executes dropped EXE 1 IoCs

Processes:

AudioDriver.exe

pid process

2796 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

Processes:

b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exeAudioDriver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

AudioDriver.exe

pid	process
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe
2796	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AudioDriver.exe

description pid process

Token: SeDebugPrivilege 2796 AudioDriver.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AudioDriver.exe

pid process

2796 AudioDriver.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AudioDriver.exe

pid process

2796 AudioDriver.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AudioDriver.exe

pid process

2796 AudioDriver.exe

description	pid	process
Token: SeDebugPrivilege	2796	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe

description	pid	process	target process
PID 3428 wrote to memory of 2796	3428	b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe	AudioDriver.exe
PID 3428 wrote to memory of 2796	3428	b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe	AudioDriver.exe
PID 3428 wrote to memory of 2796	3428	b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe	AudioDriver.exe

C:\Users\Admin\AppData\Local\Temp\b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe
"C:\Users\Admin\AppData\Local\Temp\b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428
- 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
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2796

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

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Downloads

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

Filesize
961KB

MD5
1b63baff5252f8847540598907c19193

SHA1
d34dc6a8a78bf62071b5f529f1456fe5002cfb6e

SHA256
b20e540730aa1c61a6a5833298898adfceaf77ef3fda3a18c58a91644f343ad1

SHA512
1a6b31064ec5d339011e4d4ba48fa7594dd5810f541a88639d1e2cfbba9ac5fe0dab61b2d6f8016f1cffd4880958c58d9a7fc1d432678f20ec0591f2f9da19a3

Download Submit
memory/2796-28-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-27-0x00000000064D0000-0x00000000064DA000-memory.dmp

Filesize
40KB

Download
memory/2796-26-0x0000000005B30000-0x0000000005B40000-memory.dmp

Filesize
64KB

Download
memory/2796-25-0x0000000005BC0000-0x0000000005D82000-memory.dmp

Filesize
1.8MB

Download
memory/2796-24-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-22-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-10-0x0000000005A90000-0x0000000005ADE000-memory.dmp

Filesize
312KB

Download
memory/3428-7-0x0000000004FC0000-0x0000000005026000-memory.dmp

Filesize
408KB

Download
memory/3428-6-0x0000000004E20000-0x0000000004E6C000-memory.dmp

Filesize
304KB

Download
memory/3428-23-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-5-0x0000000004EB0000-0x0000000004F42000-memory.dmp

Filesize
584KB

Download
memory/3428-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/3428-2-0x0000000002360000-0x000000000236A000-memory.dmp

Filesize
40KB

Download
memory/3428-1-0x0000000000090000-0x0000000000186000-memory.dmp

Filesize
984KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads