orcus | 1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-01-2025 02:10

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General

Target

1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
Size

917KB
MD5

233df6b3803532e93dc307f6739dbcfc
SHA1

33d32253477f35e01763207b59d60fdaa3f24581
SHA256

1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02
SHA512

0d1bd2ab3a37bd3840121001097de98ec8680e79bbc3edcaf4bd77e0b115b5e9fb6945f5897172c554a44ffdbfc8af4afa9914ec11c8259322e927a8c49ef345
SSDEEP

24576:vKa4MROxnFH3uRM4RrrcI0AilFEvxHP7oon:vOMihulRrrcI0AilFEvxHP

Score

10^/10

orcus fivem discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

FIVEM

198.50.242.157:3846

Mutex

7c8e6bec5a514abfa98e8c7d116e215a

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\GoogleChromeUpt\Updater.exe
reconnect_delay
10000
registry_keyname
ChromeStarter
taskscheduler_taskname
Start
watchdog_path
AppData\ChromeDEV.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/0x0008000000016cf8-27.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2376-1-0x0000000000BE0000-0x0000000000CCC000-memory.dmp	orcus
behavioral1/files/0x0008000000016cf8-27.dat	orcus
behavioral1/memory/2900-34-0x0000000001380000-0x000000000146C000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2112	WindowsInput.exe
2708	WindowsInput.exe
2900	Updater.exe
2232	Updater.exe
1680	ChromeDEV.exe
2452	ChromeDEV.exe

Loads dropped DLL 3 IoCs

pid	Process
2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
2900	Updater.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeStarter = "\"C:\\Program Files (x86)\\GoogleChromeUpt\\Updater.exe\""	Updater.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.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)\GoogleChromeUpt\Updater.exe	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
File opened for modification	C:\Program Files (x86)\GoogleChromeUpt\Updater.exe	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
File created	C:\Program Files (x86)\GoogleChromeUpt\Updater.exe.config	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.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 5 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	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Updater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Updater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ChromeDEV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ChromeDEV.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2452	ChromeDEV.exe
2452	ChromeDEV.exe
2452	ChromeDEV.exe
2900	Updater.exe
2900	Updater.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe
2452	ChromeDEV.exe
2900	Updater.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	Updater.exe
Token: SeDebugPrivilege	1680	ChromeDEV.exe
Token: SeDebugPrivilege	2452	ChromeDEV.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2900	Updater.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2112	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	30
PID 2376 wrote to memory of 2112	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	30
PID 2376 wrote to memory of 2112	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	30
PID 2376 wrote to memory of 2112	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	30
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2376 wrote to memory of 2900	2376	1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe	32
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2616 wrote to memory of 2232	2616	taskeng.exe	34
PID 2900 wrote to memory of 1680	2900	Updater.exe	35
PID 2900 wrote to memory of 1680	2900	Updater.exe	35
PID 2900 wrote to memory of 1680	2900	Updater.exe	35
PID 2900 wrote to memory of 1680	2900	Updater.exe	35
PID 1680 wrote to memory of 2452	1680	ChromeDEV.exe	36
PID 1680 wrote to memory of 2452	1680	ChromeDEV.exe	36
PID 1680 wrote to memory of 2452	1680	ChromeDEV.exe	36
PID 1680 wrote to memory of 2452	1680	ChromeDEV.exe	36

C:\Users\Admin\AppData\Local\Temp\1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe
"C:\Users\Admin\AppData\Local\Temp\1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2112
- C:\Program Files (x86)\GoogleChromeUpt\Updater.exe
  "C:\Program Files (x86)\GoogleChromeUpt\Updater.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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Users\Admin\AppData\Roaming\ChromeDEV.exe
    "C:\Users\Admin\AppData\Roaming\ChromeDEV.exe" /launchSelfAndExit "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe" 2900
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - C:\Users\Admin\AppData\Roaming\ChromeDEV.exe
      "C:\Users\Admin\AppData\Roaming\ChromeDEV.exe" /watchProcess "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe" 2900
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2452

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2708

C:\Windows\system32\taskeng.exe
taskeng.exe {CE720C47-DC4C-4AB1-9FD2-D50EFD90C475} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Program Files (x86)\GoogleChromeUpt\Updater.exe
  "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2232

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8F95.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Program Files (x86)\GoogleChromeUpt\Updater.exe

Filesize
917KB

MD5
233df6b3803532e93dc307f6739dbcfc

SHA1
33d32253477f35e01763207b59d60fdaa3f24581

SHA256
1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02

SHA512
0d1bd2ab3a37bd3840121001097de98ec8680e79bbc3edcaf4bd77e0b115b5e9fb6945f5897172c554a44ffdbfc8af4afa9914ec11c8259322e927a8c49ef345

Download Submit
\Users\Admin\AppData\Roaming\ChromeDEV.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/1680-49-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2112-16-0x0000000000330000-0x000000000033C000-memory.dmp

Filesize
48KB

Download
memory/2112-20-0x000007FEF5060000-0x000007FEF5A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-17-0x000007FEF5060000-0x000007FEF5A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-14-0x000007FEF5063000-0x000007FEF5064000-memory.dmp

Filesize
4KB

Download
memory/2376-6-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/2376-3-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-5-0x0000000000770000-0x0000000000782000-memory.dmp

Filesize
72KB

Download
memory/2376-4-0x0000000000460000-0x00000000004BC000-memory.dmp

Filesize
368KB

Download
memory/2376-31-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-1-0x0000000000BE0000-0x0000000000CCC000-memory.dmp

Filesize
944KB

Download
memory/2376-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2376-2-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/2708-22-0x0000000001010000-0x000000000101C000-memory.dmp

Filesize
48KB

Download
memory/2900-35-0x00000000006F0000-0x0000000000702000-memory.dmp

Filesize
72KB

Download
memory/2900-38-0x0000000001350000-0x0000000001360000-memory.dmp

Filesize
64KB

Download
memory/2900-37-0x0000000001290000-0x00000000012A8000-memory.dmp

Filesize
96KB

Download
memory/2900-36-0x0000000001300000-0x000000000134E000-memory.dmp

Filesize
312KB

Download
memory/2900-34-0x0000000001380000-0x000000000146C000-memory.dmp

Filesize
944KB

Download