orcus | 8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
23/03/2025, 22:12

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General

Target

8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
Size

1.8MB
MD5

2640fafb4430882ed76a2883137d92d0
SHA1

b39a7cfb8afccdde28b2dfee98f711d68c0653cc
SHA256

8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798
SHA512

48f17f0aee19723a19a739deef3857d5fa25d6e959faacf1700e14490f7b00a1a51724e93a391ad6f4884a38eb13d136aa05b2d0ff569d5e13e45a8a3caf1deb
SSDEEP

49152:v5YjREzhJp52XHlUW8hKHXzzTiSTZdXTZdHXTZdXTZv:v2

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:7777

Mutex

37ac276d673e458f96b24d45f7ec9f03

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Lime Crypter
taskscheduler_taskname
Orcus
watchdog_path
Temp\Lime Crypter

Signatures

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

Orcurs Rat Executable 5 IoCs

resource	yara_rule
behavioral1/memory/2396-16-0x0000000000400000-0x00000000004EC000-memory.dmp	orcus
behavioral1/memory/2396-22-0x0000000000400000-0x00000000004EC000-memory.dmp	orcus
behavioral1/memory/2396-26-0x0000000000400000-0x00000000004EC000-memory.dmp	orcus
behavioral1/memory/2396-25-0x0000000000400000-0x00000000004EC000-memory.dmp	orcus
behavioral1/memory/2396-19-0x0000000000400000-0x00000000004EC000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2704	Filename.exe
2608	WindowsInput.exe
2420	WindowsInput.exe
2960	Orcus.exe

Loads dropped DLL 3 IoCs

pid	Process
2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
2396	Regasm.exe
2396	Regasm.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\Filename.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Filename.exe"	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe

Drops file in System32 directory 3 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2396	2704	Filename.exe	34

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	Regasm.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	Regasm.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	Regasm.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	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Filename.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe
2704	Filename.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
Token: SeDebugPrivilege	2704	Filename.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2704	2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe	32
PID 2012 wrote to memory of 2704	2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe	32
PID 2012 wrote to memory of 2704	2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe	32
PID 2012 wrote to memory of 2704	2012	8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe	32
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2744	2704	Filename.exe	33
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2704 wrote to memory of 2396	2704	Filename.exe	34
PID 2396 wrote to memory of 2608	2396	Regasm.exe	35
PID 2396 wrote to memory of 2608	2396	Regasm.exe	35
PID 2396 wrote to memory of 2608	2396	Regasm.exe	35
PID 2396 wrote to memory of 2608	2396	Regasm.exe	35
PID 2396 wrote to memory of 2960	2396	Regasm.exe	37
PID 2396 wrote to memory of 2960	2396	Regasm.exe	37
PID 2396 wrote to memory of 2960	2396	Regasm.exe	37
PID 2396 wrote to memory of 2960	2396	Regasm.exe	37

C:\Users\Admin\AppData\Local\Temp\8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe
"C:\Users\Admin\AppData\Local\Temp\8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798.exe"
1⤵
- 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 WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Roaming\Filename.exe
  "C:\Users\Admin\AppData\Roaming\Filename.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"
    3⤵
    PID:2744
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"
    3⤵
    - 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:2396
  - - C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      PID:2608
  - - C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2960

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2420

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:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

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

Filesize
1.8MB

MD5
2640fafb4430882ed76a2883137d92d0

SHA1
b39a7cfb8afccdde28b2dfee98f711d68c0653cc

SHA256
8f00b950a514e95daaad5ef6d5faa6c3132b7f4ce8bef72d864bc67b3a2fc798

SHA512
48f17f0aee19723a19a739deef3857d5fa25d6e959faacf1700e14490f7b00a1a51724e93a391ad6f4884a38eb13d136aa05b2d0ff569d5e13e45a8a3caf1deb

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/2012-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000400000-0x00000000005D0000-memory.dmp

Filesize
1.8MB

Download
memory/2396-12-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-27-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/2396-14-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-16-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-22-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-26-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-25-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-19-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2396-28-0x0000000000AE0000-0x0000000000B3C000-memory.dmp

Filesize
368KB

Download
memory/2396-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2396-29-0x0000000000530000-0x0000000000542000-memory.dmp

Filesize
72KB

Download
memory/2396-30-0x00000000007E0000-0x00000000007E8000-memory.dmp

Filesize
32KB

Download
memory/2420-43-0x0000000000300000-0x000000000030C000-memory.dmp

Filesize
48KB

Download
memory/2608-39-0x00000000013B0000-0x00000000013BC000-memory.dmp

Filesize
48KB

Download
memory/2704-11-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-10-0x00000000005D0000-0x00000000005E8000-memory.dmp

Filesize
96KB

Download
memory/2704-9-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2704-56-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2704-57-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-55-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download