orcus | 05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab

General

Target

05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe
Size

21.0MB
MD5

5fe163ee7dfb0c1040fa5b9ef8bfd223
SHA1

1b9e236e6da779fe668e89cb876999ec3663a2da
SHA256

05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab
SHA512

455b1d68b5d70614dc121f914805713d93b9e4016a79cdf5bd97ff1e76e951f36595e6b91d41048f852d904d6fc6ac843408c52c510a6a6179e20482520baa3b
SSDEEP

24576:Y9KS04YNEMuExDiU6E5R9s8xY/2l/dO5Ibt+r/:Y9G4auS+UjfU2TQIbt+r

Score

10^/10

orcus 1337 discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

1337

C2

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

Mutex

807fd7820d59421db89058305773b035

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
10/22/2024 21:07:12
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	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	05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe
1636	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1636	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1636	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 1636	2900	05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe	90
PID 2900 wrote to memory of 1636	2900	05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe	90
PID 2900 wrote to memory of 1636	2900	05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe	90

C:\Users\Admin\AppData\Local\Temp\05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe
"C:\Users\Admin\AppData\Local\Temp\05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:1636

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
21.0MB

MD5
5fe163ee7dfb0c1040fa5b9ef8bfd223

SHA1
1b9e236e6da779fe668e89cb876999ec3663a2da

SHA256
05b28d33d1c01b663799fa4b17405436cb8831dd19f9846ab4c1f01b6c7983ab

SHA512
455b1d68b5d70614dc121f914805713d93b9e4016a79cdf5bd97ff1e76e951f36595e6b91d41048f852d904d6fc6ac843408c52c510a6a6179e20482520baa3b

Download Submit
memory/1636-28-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1636-27-0x00000000065F0000-0x00000000065FA000-memory.dmp

Filesize
40KB

Download
memory/1636-26-0x0000000006160000-0x0000000006170000-memory.dmp

Filesize
64KB

Download
memory/1636-25-0x00000000061D0000-0x0000000006392000-memory.dmp

Filesize
1.8MB

Download
memory/1636-22-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1636-24-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2900-4-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/2900-10-0x0000000006000000-0x000000000604E000-memory.dmp

Filesize
312KB

Download
memory/2900-7-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/2900-23-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2900-6-0x0000000005490000-0x00000000054DC000-memory.dmp

Filesize
304KB

Download
memory/2900-5-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/2900-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2900-3-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2900-2-0x0000000001110000-0x000000000111A000-memory.dmp

Filesize
40KB

Download
memory/2900-1-0x00000000005E0000-0x00000000006B8000-memory.dmp

Filesize
864KB

Download

Analysis

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