orcus | 26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 01:53

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General

Target

26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
Size

979KB
MD5

7b31ff077a53897e3a276d3f20676fb5
SHA1

2c21defc2a7df76d94ad0e54729ec6716e083fd4
SHA256

26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b
SHA512

96bc590b2090efddded1bc93c1b0afdc79c13e1a3d93811a57b8c22309be9e43d7d53d92f9b63108423a4b8f312f86ba647bbdc97db7c706789350e2e1b7c0dc
SSDEEP

24576:UVr4MROxnFe3jdirrcI0AilFEvxHP/oo8:UWMiwIrrcI0AilFEvxHP

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.189.109:8888

Mutex

0dbe81542c46467c8bfa708f7774034f

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\AnyDesk.exe
reconnect_delay
10000
registry_keyname
AnyDesk
taskscheduler_taskname
any desk
watchdog_path
AppData\AnyDesk.exe

Signatures

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

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016855-11.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2960-1-0x0000000000F20000-0x000000000101A000-memory.dmp	orcus
behavioral1/files/0x0008000000016855-11.dat	orcus
behavioral1/memory/264-19-0x0000000000E40000-0x0000000000F3A000-memory.dmp	orcus

Executes dropped EXE 3 IoCs

pid	Process
264	AnyDesk.exe
2772	AnyDesk.exe
2800	AnyDesk.exe

Loads dropped DLL 2 IoCs

pid	Process
2960	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
264	AnyDesk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\AnyDesk = "\"C:\\Program Files (x86)\\AnyDesk.exe\""	AnyDesk.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AnyDesk.exe	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
File opened for modification	C:\Program Files (x86)\AnyDesk.exe	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
File created	C:\Program Files (x86)\AnyDesk.exe.config	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.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 4 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	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AnyDesk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AnyDesk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AnyDesk.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2800	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe
2800	AnyDesk.exe
2800	AnyDesk.exe
264	AnyDesk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	AnyDesk.exe
Token: SeDebugPrivilege	2800	AnyDesk.exe
Token: SeDebugPrivilege	264	AnyDesk.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
264	AnyDesk.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
264	AnyDesk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 264	2960	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	31
PID 2960 wrote to memory of 264	2960	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	31
PID 2960 wrote to memory of 264	2960	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	31
PID 2960 wrote to memory of 264	2960	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	31
PID 264 wrote to memory of 2772	264	AnyDesk.exe	32
PID 264 wrote to memory of 2772	264	AnyDesk.exe	32
PID 264 wrote to memory of 2772	264	AnyDesk.exe	32
PID 264 wrote to memory of 2772	264	AnyDesk.exe	32
PID 2772 wrote to memory of 2800	2772	AnyDesk.exe	33
PID 2772 wrote to memory of 2800	2772	AnyDesk.exe	33
PID 2772 wrote to memory of 2800	2772	AnyDesk.exe	33
PID 2772 wrote to memory of 2800	2772	AnyDesk.exe	33

C:\Users\Admin\AppData\Local\Temp\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
"C:\Users\Admin\AppData\Local\Temp\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Program Files (x86)\AnyDesk.exe
  "C:\Program Files (x86)\AnyDesk.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:264
- - C:\Users\Admin\AppData\Roaming\AnyDesk.exe
    "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /launchSelfAndExit "C:\Program Files (x86)\AnyDesk.exe" 264
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Users\Admin\AppData\Roaming\AnyDesk.exe
      "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /watchProcess "C:\Program Files (x86)\AnyDesk.exe" 264
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\AnyDesk.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Roaming\AnyDesk.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\AnyDesk\err_0dbe81542c46467c8bfa708f7774034f.dat

Filesize
1KB

MD5
9440b4b8389f7e3e900ea7ee35ee5b1a

SHA1
bf5b597fa477b8c029386775208b04d1a6758de0

SHA256
aa342a68db5063dd266fd5dcac6b2d3f779a4e97bf57c838902125ef39300bac

SHA512
42ca9a1ace7f1fdbf9a3fde52ffe650097e07b74ed2ec72b5cf7e316062006b0b00323bf8b396e72b042105090a23c41b54dbfd447cf1e1b4777551787a248e9

Download Submit
\Program Files (x86)\AnyDesk.exe

Filesize
979KB

MD5
7b31ff077a53897e3a276d3f20676fb5

SHA1
2c21defc2a7df76d94ad0e54729ec6716e083fd4

SHA256
26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

SHA512
96bc590b2090efddded1bc93c1b0afdc79c13e1a3d93811a57b8c22309be9e43d7d53d92f9b63108423a4b8f312f86ba647bbdc97db7c706789350e2e1b7c0dc

Download Submit
memory/264-18-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/264-25-0x0000000000A80000-0x0000000000A90000-memory.dmp

Filesize
64KB

Download
memory/264-24-0x0000000000A60000-0x0000000000A78000-memory.dmp

Filesize
96KB

Download
memory/264-37-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/264-38-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/264-23-0x00000000049A0000-0x00000000049EE000-memory.dmp

Filesize
312KB

Download
memory/264-19-0x0000000000E40000-0x0000000000F3A000-memory.dmp

Filesize
1000KB

Download
memory/264-20-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-35-0x0000000000D60000-0x0000000000D68000-memory.dmp

Filesize
32KB

Download
memory/2960-5-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/2960-17-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-6-0x00000000006C0000-0x00000000006C8000-memory.dmp

Filesize
32KB

Download
memory/2960-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2960-4-0x00000000007A0000-0x00000000007FC000-memory.dmp

Filesize
368KB

Download
memory/2960-3-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-2-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2960-1-0x0000000000F20000-0x000000000101A000-memory.dmp

Filesize
1000KB

Download