orcus | c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041

Analysis

max time kernel
132s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 01:02

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General

Target

c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe
Size

3.0MB
MD5

05ed43bd2c5b96fde7765f9353e8fa88
SHA1

6ba4dfa2aaddd6052428d53362e093296817d8ca
SHA256

c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041
SHA512

1d62abc291709cc972f45b46a2ccf44d1b4b69b275c6cc4923d2ae20b4089888a5a769582794512b2e392e1a9285c381a59df9cfc463930e4cc698917133d1fe
SSDEEP

49152:VGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qbw:VLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus extra moge discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Extra Moge

31.44.184.52:15288

Mutex

sudo_7p2chwc9jshuy0noeroo9kyd53z5e34p

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\generatoruploadsto\wpbase.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.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
behavioral2/files/0x000a000000023b92-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/856-1-0x0000000000120000-0x000000000041E000-memory.dmp	orcus
behavioral2/files/0x000a000000023b92-13.dat	orcus

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe

Executes dropped EXE 7 IoCs

pid	Process
324	wpbase.exe
4796	wpbase.exe
3716	wpbase.exe
3264	wpbase.exe
2872	wpbase.exe
1608	wpbase.exe
5040	wpbase.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 324 set thread context of 3024	324	wpbase.exe	87
PID 4796 set thread context of 2052	4796	wpbase.exe	91
PID 3716 set thread context of 1736	3716	wpbase.exe	94
PID 3264 set thread context of 4664	3264	wpbase.exe	96

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 12 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	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpbase.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
856	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe
324	wpbase.exe
324	wpbase.exe
324	wpbase.exe
324	wpbase.exe
324	wpbase.exe
324	wpbase.exe
4796	wpbase.exe
4796	wpbase.exe
4796	wpbase.exe
4796	wpbase.exe
4796	wpbase.exe
4796	wpbase.exe
3716	wpbase.exe
3716	wpbase.exe
3716	wpbase.exe
3716	wpbase.exe
3264	wpbase.exe
3264	wpbase.exe
3024	regasm.exe
3024	regasm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe
Token: SeDebugPrivilege	324	wpbase.exe
Token: SeDebugPrivilege	4796	wpbase.exe
Token: SeDebugPrivilege	3716	wpbase.exe
Token: SeDebugPrivilege	3264	wpbase.exe
Token: SeDebugPrivilege	3024	regasm.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 324	856	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe	83
PID 856 wrote to memory of 324	856	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe	83
PID 856 wrote to memory of 324	856	c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe	83
PID 324 wrote to memory of 2736	324	wpbase.exe	85
PID 324 wrote to memory of 2736	324	wpbase.exe	85
PID 324 wrote to memory of 2736	324	wpbase.exe	85
PID 324 wrote to memory of 2832	324	wpbase.exe	86
PID 324 wrote to memory of 2832	324	wpbase.exe	86
PID 324 wrote to memory of 2832	324	wpbase.exe	86
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 324 wrote to memory of 3024	324	wpbase.exe	87
PID 4796 wrote to memory of 3656	4796	wpbase.exe	89
PID 4796 wrote to memory of 3656	4796	wpbase.exe	89
PID 4796 wrote to memory of 3656	4796	wpbase.exe	89
PID 4796 wrote to memory of 4616	4796	wpbase.exe	90
PID 4796 wrote to memory of 4616	4796	wpbase.exe	90
PID 4796 wrote to memory of 4616	4796	wpbase.exe	90
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 4796 wrote to memory of 2052	4796	wpbase.exe	91
PID 3716 wrote to memory of 1620	3716	wpbase.exe	93
PID 3716 wrote to memory of 1620	3716	wpbase.exe	93
PID 3716 wrote to memory of 1620	3716	wpbase.exe	93
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3716 wrote to memory of 1736	3716	wpbase.exe	94
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96
PID 3264 wrote to memory of 4664	3264	wpbase.exe	96

C:\Users\Admin\AppData\Local\Temp\c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe
"C:\Users\Admin\AppData\Local\Temp\c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
  "C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.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:324
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:2832
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3024

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- 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:4796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:3656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:4616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- 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:3716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:1620
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1736

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- 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:3264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4664

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2872

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1608

C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\installutil.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wpbase.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe

Filesize
3.0MB

MD5
05ed43bd2c5b96fde7765f9353e8fa88

SHA1
6ba4dfa2aaddd6052428d53362e093296817d8ca

SHA256
c538b2b2c972b5d45a1eac86eca74ddbc71dd6fded8b2f551b11520cccaac041

SHA512
1d62abc291709cc972f45b46a2ccf44d1b4b69b275c6cc4923d2ae20b4089888a5a769582794512b2e392e1a9285c381a59df9cfc463930e4cc698917133d1fe

Download Submit
C:\Users\Admin\AppData\Roaming\generatoruploadsto\wpbase.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/324-25-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/324-23-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/324-34-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/324-29-0x00000000066D0000-0x000000000676C000-memory.dmp

Filesize
624KB

Download
memory/324-27-0x0000000005D80000-0x0000000005DCE000-memory.dmp

Filesize
312KB

Download
memory/324-26-0x0000000005750000-0x0000000005762000-memory.dmp

Filesize
72KB

Download
memory/856-4-0x0000000004CB0000-0x0000000004D0C000-memory.dmp

Filesize
368KB

Download
memory/856-24-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/856-2-0x0000000002670000-0x000000000267E000-memory.dmp

Filesize
56KB

Download
memory/856-3-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/856-5-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/856-7-0x0000000005520000-0x0000000005532000-memory.dmp

Filesize
72KB

Download
memory/856-1-0x0000000000120000-0x000000000041E000-memory.dmp

Filesize
3.0MB

Download
memory/856-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/856-6-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/3024-46-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

Filesize
40KB

Download
memory/3024-54-0x00000000076F0000-0x000000000772C000-memory.dmp

Filesize
240KB

Download
memory/3024-43-0x0000000005B60000-0x0000000005B72000-memory.dmp

Filesize
72KB

Download
memory/3024-44-0x0000000006020000-0x0000000006038000-memory.dmp

Filesize
96KB

Download
memory/3024-45-0x0000000006050000-0x0000000006060000-memory.dmp

Filesize
64KB

Download
memory/3024-60-0x00000000086F0000-0x0000000008740000-memory.dmp

Filesize
320KB

Download
memory/3024-49-0x0000000007580000-0x00000000075E6000-memory.dmp

Filesize
408KB

Download
memory/3024-59-0x0000000007880000-0x000000000788E000-memory.dmp

Filesize
56KB

Download
memory/3024-52-0x0000000007C10000-0x0000000008228000-memory.dmp

Filesize
6.1MB

Download
memory/3024-53-0x0000000007690000-0x00000000076A2000-memory.dmp

Filesize
72KB

Download
memory/3024-58-0x0000000008230000-0x00000000083F2000-memory.dmp

Filesize
1.8MB

Download
memory/3024-55-0x0000000007730000-0x000000000777C000-memory.dmp

Filesize
304KB

Download
memory/3024-57-0x00000000078C0000-0x00000000079CA000-memory.dmp

Filesize
1.0MB

Download
memory/4796-38-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4796-30-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4796-33-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download