orcus | c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775

General

Target

c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe
Size

15.9MB
MD5

13c37f5336c5b01da8a841d5d5ea5329
SHA1

8db6b841dda79c0deb73f2a98ad0f331566afd38
SHA256

c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775
SHA512

1228b8bd532604621abc5aa1e51cd3a29d3c4b79c2e113d366e9276ffb8af98b61f97eda459468d23ef41ff14ae1d8e96627d86b43bab540bcf2fcb8a1435cd7
SSDEEP

24576:tDPS04YNEMuExDiU6E5R9s8xY/2l/dVBFIbt+roULW:tDl4auS+UjfU2T3FIbt+rBLW

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

147.185.221.23

communications-sugar.gl.at.ply.gg

Mutex

fa092d2d504a432b8068a82704f07227

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
11/18/2024 13:11:11
plugins
AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgNQA3ADEANwA3AGYAOQA2ADUANABhADAANAA2ADQANQA5ADgAZgBhADgANQA0ADMAZgAyAGIAYgAyADYANgA5AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDQAYwA4ADcAOQA3ADAAZQAzADUAMwA4ADQAOQBkAGIAYQBjADkAMgBhAGIAYQAxAGUAMwBmADgAYgBkADIAMQABAAAEBA==
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe

Executes dropped EXE 1 IoCs

pid	Process
320	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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe
320	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	320	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 320	3340	c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe	83
PID 3340 wrote to memory of 320	3340	c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe	83
PID 3340 wrote to memory of 320	3340	c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe	83

C:\Users\Admin\AppData\Local\Temp\c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe
"C:\Users\Admin\AppData\Local\Temp\c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3340
- 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:320

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

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Downloads

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

Filesize
15.9MB

MD5
13c37f5336c5b01da8a841d5d5ea5329

SHA1
8db6b841dda79c0deb73f2a98ad0f331566afd38

SHA256
c5c447a6588773bd4c9f8c9a078663b0b3f6d4c2036d1c2b983a39bca74c2775

SHA512
1228b8bd532604621abc5aa1e51cd3a29d3c4b79c2e113d366e9276ffb8af98b61f97eda459468d23ef41ff14ae1d8e96627d86b43bab540bcf2fcb8a1435cd7

Download Submit
memory/320-29-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/320-28-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

Filesize
40KB

Download
memory/320-27-0x0000000005F00000-0x0000000005F10000-memory.dmp

Filesize
64KB

Download
memory/320-26-0x0000000006740000-0x0000000006902000-memory.dmp

Filesize
1.8MB

Download
memory/320-25-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/320-24-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3340-7-0x0000000005D30000-0x0000000005D38000-memory.dmp

Filesize
32KB

Download
memory/3340-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3340-11-0x00000000063F0000-0x000000000643E000-memory.dmp

Filesize
312KB

Download
memory/3340-8-0x0000000005DF0000-0x0000000005DF8000-memory.dmp

Filesize
32KB

Download
memory/3340-6-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

Filesize
304KB

Download
memory/3340-23-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3340-5-0x0000000005D40000-0x0000000005DD2000-memory.dmp

Filesize
584KB

Download
memory/3340-4-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/3340-3-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3340-2-0x0000000003380000-0x000000000338A000-memory.dmp

Filesize
40KB

Download
memory/3340-1-0x0000000000DF0000-0x0000000000ED6000-memory.dmp

Filesize
920KB

Download

Analysis

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