orcus | d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 01:05

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General

Target

d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
Size

920KB
MD5

fab0a2c77bda98e6c958a21680f32a7a
SHA1

6aa4cd576faa20fad993aafe960cfba3f50d177a
SHA256

d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be
SHA512

77625408955c571b83172623eec9bba6a715da00192646b71a80a6ce7bff9b237df892672013aef5df45b356c55d8b50d93951aef9562020e2eeecf00c89b64e
SSDEEP

24576:++A4MROxnFt3kcfrrcI0AilFEvxHPUCooN:+YMijFrrcI0AilFEvxHPU

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.56.1:6969

Mutex

7a0301b502164f309e37ed4746914dc2

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\csgo.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
behavioral1/files/0x0007000000014e5a-27.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2928-1-0x0000000000A00000-0x0000000000AEC000-memory.dmp	orcus
behavioral1/files/0x0007000000014e5a-27.dat	orcus
behavioral1/memory/2996-33-0x0000000000A60000-0x0000000000B4C000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
3024	WindowsInput.exe
2736	WindowsInput.exe
2996	Orcus.exe
1428	Orcus.exe
2848	csgo.exe
1768	csgo.exe

Loads dropped DLL 3 IoCs

pid	Process
2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
2996	Orcus.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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1768	csgo.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
2996	Orcus.exe
1768	csgo.exe
2996	Orcus.exe
1768	csgo.exe
1768	csgo.exe
2996	Orcus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	Orcus.exe
Token: SeDebugPrivilege	2848	csgo.exe
Token: SeDebugPrivilege	1768	csgo.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2996	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2996	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	Orcus.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3024	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	28
PID 2928 wrote to memory of 3024	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	28
PID 2928 wrote to memory of 3024	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	28
PID 2928 wrote to memory of 3024	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	28
PID 2928 wrote to memory of 2996	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	30
PID 2928 wrote to memory of 2996	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	30
PID 2928 wrote to memory of 2996	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	30
PID 2928 wrote to memory of 2996	2928	d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe	30
PID 2500 wrote to memory of 1428	2500	taskeng.exe	32
PID 2500 wrote to memory of 1428	2500	taskeng.exe	32
PID 2500 wrote to memory of 1428	2500	taskeng.exe	32
PID 2500 wrote to memory of 1428	2500	taskeng.exe	32
PID 2996 wrote to memory of 2848	2996	Orcus.exe	33
PID 2996 wrote to memory of 2848	2996	Orcus.exe	33
PID 2996 wrote to memory of 2848	2996	Orcus.exe	33
PID 2996 wrote to memory of 2848	2996	Orcus.exe	33
PID 2848 wrote to memory of 1768	2848	csgo.exe	34
PID 2848 wrote to memory of 1768	2848	csgo.exe	34
PID 2848 wrote to memory of 1768	2848	csgo.exe	34
PID 2848 wrote to memory of 1768	2848	csgo.exe	34

C:\Users\Admin\AppData\Local\Temp\d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe
"C:\Users\Admin\AppData\Local\Temp\d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3024
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Users\Admin\AppData\Roaming\csgo.exe
    "C:\Users\Admin\AppData\Roaming\csgo.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2996
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2848
  - - C:\Users\Admin\AppData\Roaming\csgo.exe
      "C:\Users\Admin\AppData\Roaming\csgo.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2996
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1768

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2736

C:\Windows\system32\taskeng.exe
taskeng.exe {1C6B3C81-4611-49D9-994D-D59B9922CD68} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:1428

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
920KB

MD5
fab0a2c77bda98e6c958a21680f32a7a

SHA1
6aa4cd576faa20fad993aafe960cfba3f50d177a

SHA256
d6733905474e09a72f9d54a5f36046e3b98417b2332d4b4f2451981c32cbe3be

SHA512
77625408955c571b83172623eec9bba6a715da00192646b71a80a6ce7bff9b237df892672013aef5df45b356c55d8b50d93951aef9562020e2eeecf00c89b64e

Download Submit
\Users\Admin\AppData\Roaming\csgo.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/2736-22-0x0000000001100000-0x000000000110C000-memory.dmp

Filesize
48KB

Download
memory/2848-48-0x0000000001370000-0x0000000001378000-memory.dmp

Filesize
32KB

Download
memory/2928-4-0x00000000007E0000-0x000000000083C000-memory.dmp

Filesize
368KB

Download
memory/2928-6-0x0000000000490000-0x0000000000498000-memory.dmp

Filesize
32KB

Download
memory/2928-5-0x0000000000470000-0x0000000000482000-memory.dmp

Filesize
72KB

Download
memory/2928-3-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-2-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/2928-34-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2928-1-0x0000000000A00000-0x0000000000AEC000-memory.dmp

Filesize
944KB

Download
memory/2996-33-0x0000000000A60000-0x0000000000B4C000-memory.dmp

Filesize
944KB

Download
memory/2996-35-0x0000000002060000-0x00000000020AE000-memory.dmp

Filesize
312KB

Download
memory/2996-36-0x0000000002000000-0x0000000002018000-memory.dmp

Filesize
96KB

Download
memory/2996-37-0x00000000020C0000-0x00000000020D0000-memory.dmp

Filesize
64KB

Download
memory/3024-20-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download
memory/3024-17-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download
memory/3024-16-0x0000000000950000-0x000000000095C000-memory.dmp

Filesize
48KB

Download
memory/3024-14-0x000007FEF5BD3000-0x000007FEF5BD4000-memory.dmp

Filesize
4KB

Download