orcus | 5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 01:14

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General

Target

5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
Size

914KB
MD5

5b5b175704862b6d7675ad95a503d056
SHA1

857b403387f342d97762ff1003caddc256344b70
SHA256

5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5
SHA512

d8a3e94ae47314133b2a573ba0eec1ffa6272a5e47cc981520f5b4cecb5deeaf1f2e252947eed0ad881fe3cb2a358d7e58d6781b719d47618d1a260941c18dcd
SSDEEP

24576:2yW4MROxnFD3gEsYxrZlI0AilFEvxHinbi:2yVMiJ1rZlI0AilFEvxHin

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:10134

Mutex

536687950add43dc8aa32b2e37b39361

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\uzu.exe
reconnect_delay
10000
registry_keyname
uzu
taskscheduler_taskname
uzu
watchdog_path
AppData\uzu.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/0x0009000000023c53-54.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023c53-54.dat	orcus
behavioral2/memory/2556-65-0x00000000004A0000-0x000000000058A000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	uzu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	uzu.exe

Executes dropped EXE 6 IoCs

pid	Process
4392	WindowsInput.exe
3636	WindowsInput.exe
2556	uzu.exe
3688	uzu.exe
1780	uzu.exe
2452	uzu.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uzu = "\"C:\\Program Files\\Orcus\\uzu.exe\""	uzu.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.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	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\uzu.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File opened for modification	C:\Program Files\Orcus\uzu.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Program Files\Orcus\uzu.exe.config	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File opened for modification	C:\Windows\assembly	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Windows\assembly\Desktop.ini	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.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	uzu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uzu.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2452	uzu.exe
2452	uzu.exe
2556	uzu.exe
2556	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe
2556	uzu.exe
2452	uzu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	uzu.exe
Token: SeDebugPrivilege	1780	uzu.exe
Token: SeDebugPrivilege	2452	uzu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	uzu.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2556	uzu.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	uzu.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 4224	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	83
PID 1188 wrote to memory of 4224	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	83
PID 4224 wrote to memory of 2156	4224	csc.exe	85
PID 4224 wrote to memory of 2156	4224	csc.exe	85
PID 1188 wrote to memory of 4392	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	86
PID 1188 wrote to memory of 4392	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	86
PID 1188 wrote to memory of 2556	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	88
PID 1188 wrote to memory of 2556	1188	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	88
PID 2556 wrote to memory of 1780	2556	uzu.exe	91
PID 2556 wrote to memory of 1780	2556	uzu.exe	91
PID 2556 wrote to memory of 1780	2556	uzu.exe	91
PID 1780 wrote to memory of 2452	1780	uzu.exe	92
PID 1780 wrote to memory of 2452	1780	uzu.exe	92
PID 1780 wrote to memory of 2452	1780	uzu.exe	92

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\5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
"C:\Users\Admin\AppData\Local\Temp\5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\q70nvllc.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES93B5.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC93B4.tmp"
    3⤵
    PID:2156
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:4392
- C:\Program Files\Orcus\uzu.exe
  "C:\Program Files\Orcus\uzu.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Admin\AppData\Roaming\uzu.exe
    "C:\Users\Admin\AppData\Roaming\uzu.exe" /launchSelfAndExit "C:\Program Files\Orcus\uzu.exe" 2556 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1780
  - - C:\Users\Admin\AppData\Roaming\uzu.exe
      "C:\Users\Admin\AppData\Roaming\uzu.exe" /watchProcess "C:\Program Files\Orcus\uzu.exe" 2556 "/protectFile"
      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:3636

C:\Program Files\Orcus\uzu.exe
"C:\Program Files\Orcus\uzu.exe"
1⤵
- Executes dropped EXE
PID:3688

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

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\Orcus\uzu.exe

Filesize
914KB

MD5
5b5b175704862b6d7675ad95a503d056

SHA1
857b403387f342d97762ff1003caddc256344b70

SHA256
5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5

SHA512
d8a3e94ae47314133b2a573ba0eec1ffa6272a5e47cc981520f5b4cecb5deeaf1f2e252947eed0ad881fe3cb2a358d7e58d6781b719d47618d1a260941c18dcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES93B5.tmp

Filesize
1KB

MD5
abd601594b058f532b6a7655cb6a443e

SHA1
e992ccc96944dca88c228be20393aeb0deaf1030

SHA256
a3913e4bc3d640ae12daaa166e5668daf1eeca71984d0fa8f21f8c54b4bace70

SHA512
3121e7f81f6312ce72a81647c317d818673e186f923ec9ea3ef8f898272dfa2f6683aa33fc893648833ca45ee7904b3b5a3d6a7017424961bea8d59d856f2566

Download Submit
C:\Users\Admin\AppData\Local\Temp\q70nvllc.dll

Filesize
76KB

MD5
c92bd1d0c5d86927330f81de0b375403

SHA1
d4291caedbc2880ff4ac8295bb4222987874eeb9

SHA256
da846a6ce6a6f58e12a01c952b4a3ae5f1be42de3e2c05559c30d0755e10a71e

SHA512
dd989e1dec703423d622950d29c7f6794ae025c65a59e1e68c30896a65d1926e6aef85faf5b2fc9242e96d545b44a08525579df8d353c87fb6cb70cace47369f

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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
\??\c:\Users\Admin\AppData\Local\Temp\CSC93B4.tmp

Filesize
676B

MD5
fdfde82782e68c247ed4e7e64ebb2063

SHA1
afbce0b7c812dd51d3ec68640dd4ab73aac4d617

SHA256
a4b9b8d3d6cb858dd63a79b23c1f29ef2724dbe3bdd7d7b1b8f5c73e8edbf990

SHA512
11f6c9b7872457700ba84f62c464f725b87ad5ba37ef6d9143a15956eb58fbc3a0f89d4a38009e14b0734e349000e44ae583f9034119dfbb7ebb9a87701df696

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\q70nvllc.0.cs

Filesize
208KB

MD5
9e6577c3d3578b3cf4892b1072de3e62

SHA1
da43ed313ad0bc845acd42cde0995918354ab4af

SHA256
43ce123f3e0634ec974780bc777703124a6fc4afb52c0834803af2e327782759

SHA512
b379a2ed6b601136ce1ddf7c9311038d40466e3e2a1e3b89c8b1ef48881bfa64d6ca5dd949a93c960526adf311f53750f0c4f2c807d1ce3e219edd35a7872b4f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\q70nvllc.cmdline

Filesize
349B

MD5
eb6ce7dfb04238ef32ed16bda25591dc

SHA1
ff83876375a40b9b7ed0e6f0e0ba78a88a9d87de

SHA256
07f29656cfac32afdd746a89cbf860ab8de08d5c986c80e01cba29f06f435f2d

SHA512
4ddd070f50e377003a0aa08ff76e53f9040631197bc6255e7fe302735e9351ca26a723396c245030c70c6ec3af6ed86c7c3fb69379ac382b2adbd45c2cb7e388

Download Submit
memory/1188-7-0x000000001C5F0000-0x000000001CABE000-memory.dmp

Filesize
4.8MB

Download
memory/1188-8-0x000000001CB60000-0x000000001CBFC000-memory.dmp

Filesize
624KB

Download
memory/1188-1-0x00007FFC5AAA0000-0x00007FFC5B441000-memory.dmp

Filesize
9.6MB

Download
memory/1188-23-0x000000001D220000-0x000000001D236000-memory.dmp

Filesize
88KB

Download
memory/1188-2-0x000000001BF20000-0x000000001BF7C000-memory.dmp

Filesize
368KB

Download
memory/1188-25-0x0000000001900000-0x0000000001912000-memory.dmp

Filesize
72KB

Download
memory/1188-26-0x000000001D260000-0x000000001D280000-memory.dmp

Filesize
128KB

Download
memory/1188-6-0x000000001C110000-0x000000001C11E000-memory.dmp

Filesize
56KB

Download
memory/1188-3-0x00007FFC5AAA0000-0x00007FFC5B441000-memory.dmp

Filesize
9.6MB

Download
memory/1188-0-0x00007FFC5AD55000-0x00007FFC5AD56000-memory.dmp

Filesize
4KB

Download
memory/1188-64-0x00007FFC5AAA0000-0x00007FFC5B441000-memory.dmp

Filesize
9.6MB

Download
memory/1780-84-0x00000000006E0000-0x00000000006E8000-memory.dmp

Filesize
32KB

Download
memory/2556-65-0x00000000004A0000-0x000000000058A000-memory.dmp

Filesize
936KB

Download
memory/2556-66-0x000000001B530000-0x000000001B57E000-memory.dmp

Filesize
312KB

Download
memory/2556-68-0x000000001B6E0000-0x000000001B6F8000-memory.dmp

Filesize
96KB

Download
memory/2556-69-0x000000001BA50000-0x000000001BC12000-memory.dmp

Filesize
1.8MB

Download
memory/2556-70-0x000000001B800000-0x000000001B810000-memory.dmp

Filesize
64KB

Download
memory/3636-48-0x000000001A520000-0x000000001A62A000-memory.dmp

Filesize
1.0MB

Download
memory/4224-21-0x00007FFC5AAA0000-0x00007FFC5B441000-memory.dmp

Filesize
9.6MB

Download
memory/4224-16-0x00007FFC5AAA0000-0x00007FFC5B441000-memory.dmp

Filesize
9.6MB

Download
memory/4392-43-0x0000000002290000-0x00000000022CC000-memory.dmp

Filesize
240KB

Download
memory/4392-42-0x0000000000950000-0x0000000000962000-memory.dmp

Filesize
72KB

Download
memory/4392-41-0x0000000000170000-0x000000000017C000-memory.dmp

Filesize
48KB

Download
memory/4392-40-0x00007FFC57913000-0x00007FFC57915000-memory.dmp

Filesize
8KB

Download