orcus | a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 01:06

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General

Target

a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe
Size

924KB
MD5

2666c3e10ddf6dd5136f8f7a98208bad
SHA1

607409553a00cd1586897f2417a6f64d3511e4a5
SHA256

a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3
SHA512

77db9644579507110035f1bc73708d0048412e42c068414f686b1e35108b703931eae53af7c628f68b1a6977ded5f6c7ff5bb1ce8a7a1f26615572486639e53f
SSDEEP

24576:tHt4MROxnFE3a0rrcI0AilFEvxHjGvYBQo:tH6Miua0rrcI0AilFEvxHj

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

hp-kissing.gl.joinmc.link:25565

Mutex

b72b0f402ff141278242ee74106b34b8

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\WindowsFiels\Orcus.exe
reconnect_delay
10000
registry_keyname
IntelAutoStart
taskscheduler_taskname
DiscordUpdater
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 family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d04-29.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1976-1-0x0000000000CB0000-0x0000000000D9E000-memory.dmp	orcus
behavioral1/files/0x0009000000016d04-29.dat	orcus
behavioral1/memory/1032-33-0x0000000000320000-0x000000000040E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
1304	WindowsInput.exe
3000	WindowsInput.exe
1032	Orcus.exe
1532	Orcus.exe
2780	OrcusWatchdog.exe
2592	OrcusWatchdog.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.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\WindowsFiels\Orcus.exe	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe
File opened for modification	C:\Program Files\WindowsFiels\Orcus.exe	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe
File created	C:\Program Files\WindowsFiels\Orcus.exe.config	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.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 2 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	OrcusWatchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OrcusWatchdog.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1032	Orcus.exe
1032	Orcus.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
2592	OrcusWatchdog.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe
1032	Orcus.exe
2592	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	Orcus.exe
Token: SeDebugPrivilege	2780	OrcusWatchdog.exe
Token: SeDebugPrivilege	2592	OrcusWatchdog.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1032	Orcus.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1304	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	32
PID 1976 wrote to memory of 1304	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	32
PID 1976 wrote to memory of 1304	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	32
PID 1976 wrote to memory of 1032	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	34
PID 1976 wrote to memory of 1032	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	34
PID 1976 wrote to memory of 1032	1976	a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe	34
PID 1288 wrote to memory of 1532	1288	taskeng.exe	36
PID 1288 wrote to memory of 1532	1288	taskeng.exe	36
PID 1288 wrote to memory of 1532	1288	taskeng.exe	36
PID 1032 wrote to memory of 2780	1032	Orcus.exe	37
PID 1032 wrote to memory of 2780	1032	Orcus.exe	37
PID 1032 wrote to memory of 2780	1032	Orcus.exe	37
PID 1032 wrote to memory of 2780	1032	Orcus.exe	37
PID 2780 wrote to memory of 2592	2780	OrcusWatchdog.exe	38
PID 2780 wrote to memory of 2592	2780	OrcusWatchdog.exe	38
PID 2780 wrote to memory of 2592	2780	OrcusWatchdog.exe	38
PID 2780 wrote to memory of 2592	2780	OrcusWatchdog.exe	38

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe
"C:\Users\Admin\AppData\Local\Temp\a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1304
- C:\Program Files\WindowsFiels\Orcus.exe
  "C:\Program Files\WindowsFiels\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\WindowsFiels\Orcus.exe" 1032 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\WindowsFiels\Orcus.exe" 1032 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2592

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3000

C:\Windows\system32\taskeng.exe
taskeng.exe {245E8E6F-0279-4991-BD6E-F75EB6AECB20} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Program Files\WindowsFiels\Orcus.exe
  "C:\Program Files\WindowsFiels\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\WindowsFiels\Orcus.exe

Filesize
924KB

MD5
2666c3e10ddf6dd5136f8f7a98208bad

SHA1
607409553a00cd1586897f2417a6f64d3511e4a5

SHA256
a8774951e5a4f42f51c648a6303a8506ee6a4f9cead732c1ea19c8dbc7eb81f3

SHA512
77db9644579507110035f1bc73708d0048412e42c068414f686b1e35108b703931eae53af7c628f68b1a6977ded5f6c7ff5bb1ce8a7a1f26615572486639e53f

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\Orcuslogs\err_b72b0f402ff141278242ee74106b34b8.dat

Filesize
1KB

MD5
9f0afe6c15318dda943c140669572f51

SHA1
84c7aa843ade567795b8920699b4f50945b56b46

SHA256
1ee89fab7dc90c5308e2273d18c6b2ad1e175a2d9351de16bd797974ae140356

SHA512
5f0c98fda0031742e815ea36b238a822353268ce96023c2d38ee425396c20c8b014d4b728973ddfb7b1f3cd0640eee1a082d08077b7bc0e5162777e90e5a2adb

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

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1032-39-0x0000000002110000-0x0000000002120000-memory.dmp

Filesize
64KB

Download
memory/1032-38-0x00000000008B0000-0x00000000008C8000-memory.dmp

Filesize
96KB

Download
memory/1032-37-0x0000000000680000-0x00000000006CE000-memory.dmp

Filesize
312KB

Download
memory/1032-34-0x00000000002F0000-0x0000000000302000-memory.dmp

Filesize
72KB

Download
memory/1032-33-0x0000000000320000-0x000000000040E000-memory.dmp

Filesize
952KB

Download
memory/1304-17-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1304-16-0x0000000000CF0000-0x0000000000CFC000-memory.dmp

Filesize
48KB

Download
memory/1304-18-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1304-21-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1976-2-0x0000000000C50000-0x0000000000CAC000-memory.dmp

Filesize
368KB

Download
memory/1976-32-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1976-6-0x0000000000AA0000-0x0000000000AA8000-memory.dmp

Filesize
32KB

Download
memory/1976-7-0x00000000021A0000-0x00000000021A8000-memory.dmp

Filesize
32KB

Download
memory/1976-5-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

Filesize
72KB

Download
memory/1976-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/1976-3-0x0000000000360000-0x000000000036E000-memory.dmp

Filesize
56KB

Download
memory/1976-4-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1976-1-0x0000000000CB0000-0x0000000000D9E000-memory.dmp

Filesize
952KB

Download
memory/2780-49-0x0000000000200000-0x0000000000208000-memory.dmp

Filesize
32KB

Download
memory/3000-23-0x00000000012D0000-0x00000000012DC000-memory.dmp

Filesize
48KB

Download