orcus | 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 01:02

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General

Target

8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
Size

914KB
MD5

95587f3e29171f8d4b63209ad3c20b5c
SHA1

21ea5d7fb0174a981d1a859f4bde2aeb0d74f955
SHA256

8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3
SHA512

bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127
SSDEEP

24576:Ram4MROxnFD3ww8XlrrcI0AilFEvxHPSqooP:ROMiJsrrcI0AilFEvxHPS

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:10134

Mutex

e8c5af09f6df4beaa06157932bb3cb4a

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%appdata%\Win32Data\Temp\098234\svchost.exe
reconnect_delay
10000
registry_keyname
orcs
taskscheduler_taskname
orcs
watchdog_path
AppData\svchost.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/0x0007000000016d38-26.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2400-1-0x0000000000E70000-0x0000000000F5A000-memory.dmp	orcus
behavioral1/files/0x0007000000016d38-26.dat	orcus
behavioral1/memory/2832-32-0x0000000000BD0000-0x0000000000CBA000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2108	WindowsInput.exe
2884	WindowsInput.exe
2832	svchost.exe
2796	svchost.exe
664	svchost.exe
1444	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
2832	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe
2832	svchost.exe
1444	svchost.exe
1444	svchost.exe
2832	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	svchost.exe
Token: SeDebugPrivilege	1444	svchost.exe
Token: SeDebugPrivilege	2832	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2108	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	30
PID 2400 wrote to memory of 2108	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	30
PID 2400 wrote to memory of 2108	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	30
PID 2400 wrote to memory of 2108	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	30
PID 2400 wrote to memory of 2832	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	32
PID 2400 wrote to memory of 2832	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	32
PID 2400 wrote to memory of 2832	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	32
PID 2400 wrote to memory of 2832	2400	8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe	32
PID 2832 wrote to memory of 2796	2832	svchost.exe	34
PID 2832 wrote to memory of 2796	2832	svchost.exe	34
PID 2832 wrote to memory of 2796	2832	svchost.exe	34
PID 2832 wrote to memory of 2796	2832	svchost.exe	34
PID 2824 wrote to memory of 664	2824	taskeng.exe	35
PID 2824 wrote to memory of 664	2824	taskeng.exe	35
PID 2824 wrote to memory of 664	2824	taskeng.exe	35
PID 2824 wrote to memory of 664	2824	taskeng.exe	35
PID 2796 wrote to memory of 1444	2796	svchost.exe	36
PID 2796 wrote to memory of 1444	2796	svchost.exe	36
PID 2796 wrote to memory of 1444	2796	svchost.exe	36
PID 2796 wrote to memory of 1444	2796	svchost.exe	36

C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
"C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2108
- C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
  "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 2832 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 2832 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1444

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2884

C:\Windows\system32\taskeng.exe
taskeng.exe {FB408343-2F57-4928-9E9A-FDD89EB6F22E} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
  C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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
\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe

Filesize
914KB

MD5
95587f3e29171f8d4b63209ad3c20b5c

SHA1
21ea5d7fb0174a981d1a859f4bde2aeb0d74f955

SHA256
8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3

SHA512
bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127

Download Submit
\Users\Admin\AppData\Roaming\svchost.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/2108-13-0x000007FEF6523000-0x000007FEF6524000-memory.dmp

Filesize
4KB

Download
memory/2108-19-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/2108-16-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/2108-15-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/2400-5-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2400-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2400-3-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-4-0x0000000000C60000-0x0000000000CBC000-memory.dmp

Filesize
368KB

Download
memory/2400-2-0x0000000000340000-0x000000000034E000-memory.dmp

Filesize
56KB

Download
memory/2400-33-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000000E70000-0x0000000000F5A000-memory.dmp

Filesize
936KB

Download
memory/2796-46-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/2832-32-0x0000000000BD0000-0x0000000000CBA000-memory.dmp

Filesize
936KB

Download
memory/2832-34-0x0000000002180000-0x00000000021CE000-memory.dmp

Filesize
312KB

Download
memory/2832-35-0x0000000000BA0000-0x0000000000BB8000-memory.dmp

Filesize
96KB

Download
memory/2832-36-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/2884-21-0x0000000000F60000-0x0000000000F6C000-memory.dmp

Filesize
48KB

Download