orcus | acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d

General

Target

acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe
Size

905KB
MD5

da68f6a8fe2a93cbee0b51f295542e4b
SHA1

016f8b3b25750bbcd328a2d1ebc7b0a78d4ed03c
SHA256

acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d
SHA512

e4b421b8dc316219d5275e8a47ecb5fd592bcee8c35a378256bac6b9ecc677e0cbb8c71a430e268837b111dfafcc0239284e96a2df4dc5008d6ec3e32bf169ae
SSDEEP

24576:e554MROxnF8ptJS2rrcI0AilFEvxHPyeoow:eQMiWTS2rrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

172.30.186.213:10134

Mutex

6c939f46d63c46d8acc5732345d7bf85

Attributes

autostart_method
Disable
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023267-15.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4292-1-0x0000000000C20000-0x0000000000D08000-memory.dmp	orcus
behavioral2/files/0x0007000000023267-15.dat	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe

Executes dropped EXE 1 IoCs

pid	Process
1444	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1444	Orcus.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 1444	4292	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe	94
PID 4292 wrote to memory of 1444	4292	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe	94
PID 4292 wrote to memory of 1444	4292	acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe	94

C:\Users\Admin\AppData\Local\Temp\acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe
"C:\Users\Admin\AppData\Local\Temp\acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1444

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4060 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:1428

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe

Filesize
905KB

MD5
da68f6a8fe2a93cbee0b51f295542e4b

SHA1
016f8b3b25750bbcd328a2d1ebc7b0a78d4ed03c

SHA256
acb318ed876ecacea70a1699470defc0413aefbdab0eb0ace90b62a11fde007d

SHA512
e4b421b8dc316219d5275e8a47ecb5fd592bcee8c35a378256bac6b9ecc677e0cbb8c71a430e268837b111dfafcc0239284e96a2df4dc5008d6ec3e32bf169ae

Download Submit
C:\Program Files (x86)\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1444-25-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1444-35-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1444-34-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1444-33-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1444-32-0x0000000005C10000-0x0000000005C1A000-memory.dmp

Filesize
40KB

Download
memory/1444-31-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1444-30-0x0000000005A00000-0x0000000005BC2000-memory.dmp

Filesize
1.8MB

Download
memory/1444-28-0x00000000050A0000-0x00000000050B2000-memory.dmp

Filesize
72KB

Download
memory/1444-29-0x00000000050D0000-0x00000000050E8000-memory.dmp

Filesize
96KB

Download
memory/1444-27-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4292-6-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/4292-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4292-26-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4292-11-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4292-8-0x0000000005D30000-0x0000000005D38000-memory.dmp

Filesize
32KB

Download
memory/4292-7-0x00000000058D0000-0x00000000058E2000-memory.dmp

Filesize
72KB

Download
memory/4292-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4292-5-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/4292-4-0x0000000005680000-0x00000000056DC000-memory.dmp

Filesize
368KB

Download
memory/4292-3-0x0000000003020000-0x000000000302E000-memory.dmp

Filesize
56KB

Download
memory/4292-2-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4292-1-0x0000000000C20000-0x0000000000D08000-memory.dmp

Filesize
928KB

Download

Analysis

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