orcus | 26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x0009000000023bc8-21.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/3444-1-0x0000000000500000-0x00000000005FA000-memory.dmp	orcus
behavioral2/files/0x0009000000023bc8-21.dat	orcus

Checks computer location settings 2 TTPs 3 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	AnyDesk.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	AnyDesk.exe

Executes dropped EXE 3 IoCs

pid	Process
2164	AnyDesk.exe
808	AnyDesk.exe
4440	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-1-5-21-3756129449-3121373848-4276368241-1000\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
4440	AnyDesk.exe
4440	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
2164	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe
4440	AnyDesk.exe
2164	AnyDesk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	808	AnyDesk.exe
Token: SeDebugPrivilege	4440	AnyDesk.exe
Token: SeDebugPrivilege	2164	AnyDesk.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	AnyDesk.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2164	AnyDesk.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 2164	3444	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	85
PID 3444 wrote to memory of 2164	3444	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	85
PID 3444 wrote to memory of 2164	3444	26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe	85
PID 2164 wrote to memory of 808	2164	AnyDesk.exe	86
PID 2164 wrote to memory of 808	2164	AnyDesk.exe	86
PID 2164 wrote to memory of 808	2164	AnyDesk.exe	86
PID 808 wrote to memory of 4440	808	AnyDesk.exe	87
PID 808 wrote to memory of 4440	808	AnyDesk.exe	87
PID 808 wrote to memory of 4440	808	AnyDesk.exe	87

C:\Users\Admin\AppData\Local\Temp\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe
"C:\Users\Admin\AppData\Local\Temp\26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Program Files (x86)\AnyDesk.exe
  "C:\Program Files (x86)\AnyDesk.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - 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:2164
- - C:\Users\Admin\AppData\Roaming\AnyDesk.exe
    "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /launchSelfAndExit "C:\Program Files (x86)\AnyDesk.exe" 2164
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Users\Admin\AppData\Roaming\AnyDesk.exe
      "C:\Users\Admin\AppData\Roaming\AnyDesk.exe" /watchProcess "C:\Program Files (x86)\AnyDesk.exe" 2164
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4440

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

Query Registry

T1012

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

Filesize
979KB

MD5
7b31ff077a53897e3a276d3f20676fb5

SHA1
2c21defc2a7df76d94ad0e54729ec6716e083fd4

SHA256
26ae4a910ebd400a35d49f0ae32c9bc34dfa30a7d8985550e928d2b8af9fd59b

SHA512
96bc590b2090efddded1bc93c1b0afdc79c13e1a3d93811a57b8c22309be9e43d7d53d92f9b63108423a4b8f312f86ba647bbdc97db7c706789350e2e1b7c0dc

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AnyDesk.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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
3c55f028f8f465d861931ce4727889e0

SHA1
b70b8e31bb50922b6494fc89346a4621c066de28

SHA256
cbb5181f51ba868365c55e0de1050a3321fcaf4d5f1bdb68e7f2f1bb5d430818

SHA512
7c5988565b625da50d65c398100baad647f543876f273835ffec7759f573641891e23aef27d94e92affc6c362a3d6fbcda7728674adb0171ac30c25014e01813

Download Submit
memory/808-57-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/808-53-0x0000000000890000-0x0000000000898000-memory.dmp

Filesize
32KB

Download
memory/808-52-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2164-38-0x0000000007290000-0x000000000729A000-memory.dmp

Filesize
40KB

Download
memory/2164-30-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2164-60-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2164-59-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2164-37-0x0000000006F80000-0x0000000006F90000-memory.dmp

Filesize
64KB

Download
memory/2164-36-0x0000000006DD0000-0x0000000006DE8000-memory.dmp

Filesize
96KB

Download
memory/2164-35-0x0000000006760000-0x00000000067AE000-memory.dmp

Filesize
312KB

Download
memory/2164-32-0x00000000055E0000-0x00000000055F2000-memory.dmp

Filesize
72KB

Download
memory/2164-31-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3444-8-0x0000000005100000-0x0000000005108000-memory.dmp

Filesize
32KB

Download
memory/3444-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/3444-9-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/3444-6-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/3444-14-0x0000000005F50000-0x000000000605A000-memory.dmp

Filesize
1.0MB

Download
memory/3444-13-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

Filesize
304KB

Download
memory/3444-12-0x0000000005D90000-0x0000000005DCC000-memory.dmp

Filesize
240KB

Download
memory/3444-7-0x00000000050F0000-0x0000000005102000-memory.dmp

Filesize
72KB

Download
memory/3444-5-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download
memory/3444-4-0x0000000004F90000-0x0000000004FEC000-memory.dmp

Filesize
368KB

Download
memory/3444-3-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3444-2-0x00000000028A0000-0x00000000028AE000-memory.dmp

Filesize
56KB

Download
memory/3444-1-0x0000000000500000-0x00000000005FA000-memory.dmp

Filesize
1000KB

Download
memory/3444-58-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3444-11-0x0000000005D30000-0x0000000005D42000-memory.dmp

Filesize
72KB

Download
memory/3444-10-0x0000000006350000-0x0000000006968000-memory.dmp

Filesize
6.1MB

Download