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 01:08

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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/0x000b000000023b84-54.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b84-54.dat	orcus
behavioral2/memory/4632-65-0x0000000000200000-0x00000000002EA000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	uzu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	uzu.exe

Executes dropped EXE 6 IoCs

pid	Process
944	WindowsInput.exe
2424	WindowsInput.exe
4632	uzu.exe
4048	uzu.exe
2828	uzu.exe
2732	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-1-5-21-1045960512-3948844814-3059691613-1000\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.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.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\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
4632	uzu.exe
4632	uzu.exe
4632	uzu.exe
2732	uzu.exe
2732	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe
4632	uzu.exe
2732	uzu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	uzu.exe
Token: SeDebugPrivilege	2828	uzu.exe
Token: SeDebugPrivilege	2732	uzu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4632	uzu.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4632	uzu.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4632	uzu.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1732	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	83
PID 4464 wrote to memory of 1732	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	83
PID 1732 wrote to memory of 2772	1732	csc.exe	85
PID 1732 wrote to memory of 2772	1732	csc.exe	85
PID 4464 wrote to memory of 944	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	86
PID 4464 wrote to memory of 944	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	86
PID 4464 wrote to memory of 4632	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	88
PID 4464 wrote to memory of 4632	4464	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	88
PID 4632 wrote to memory of 2828	4632	uzu.exe	91
PID 4632 wrote to memory of 2828	4632	uzu.exe	91
PID 4632 wrote to memory of 2828	4632	uzu.exe	91
PID 2828 wrote to memory of 2732	2828	uzu.exe	92
PID 2828 wrote to memory of 2732	2828	uzu.exe	92
PID 2828 wrote to memory of 2732	2828	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:4464
- 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\thwxu1jg.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1732
- - 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\RES8241.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC8240.tmp"
    3⤵
    PID:2772
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:944
- 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:4632
- - C:\Users\Admin\AppData\Roaming\uzu.exe
    "C:\Users\Admin\AppData\Roaming\uzu.exe" /launchSelfAndExit "C:\Program Files\Orcus\uzu.exe" 4632 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Users\Admin\AppData\Roaming\uzu.exe
      "C:\Users\Admin\AppData\Roaming\uzu.exe" /watchProcess "C:\Program Files\Orcus\uzu.exe" 4632 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2732

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2424

C:\Program Files\Orcus\uzu.exe
"C:\Program Files\Orcus\uzu.exe"
1⤵
- Executes dropped EXE
PID:4048

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\Microsoft\CLR_v4.0_32\UsageLogs\uzu.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES8241.tmp

Filesize
1KB

MD5
497a9a671df979d2b7ac15d090ae2965

SHA1
5c0c8a56455538a717c868da4748b36f7cd8f559

SHA256
9232e521bb07c140abff9594e367a917ac64cb4d3d0d506ef3dea783afa7d1fc

SHA512
35b2c4776c3b26509c0f22a5cc74454a37da7c1f4ff6a27b2d2c425619abca803e9281db46d43a37932da646ad7e6ad7dc35091894817464a8a81affd135fa3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\thwxu1jg.dll

Filesize
76KB

MD5
22acb6617454f52d8512c40ab62362c1

SHA1
6cfa0ce4c3bf9b481b4108fd444dc699b53ec1fc

SHA256
1bfe2abc3c4da53ee54d91af838f44cda44cb5d504e35de875c2d6a46d7d383b

SHA512
3ac241edd97dfebbff849690ae74848b9dbea760ab914b03142b2005eb34d672e44ab37f21275e6e01559902d4102a046da2fdb385ded1323c967e08926ff7df

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\CSC8240.tmp

Filesize
676B

MD5
38b5e7aed0445815448b30dacc4f9b95

SHA1
2a727738c155b74bf2bfb811d6e0347ccfad5224

SHA256
8a990fe2bb34349a1dfeb9ddb18da832a578035800aabbe793a6d7459b98d53d

SHA512
f59ba2a74eaf83491fbea16e66be9fac294a1c2648bed1e70dbbcddb252c0ddadf0b072a8fd400cc6be8b2bd0db1dc6952769cb28e27f9753280bc121cabf100

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\thwxu1jg.0.cs

Filesize
208KB

MD5
8a2f1da910fcae794e2bf6abc7bdf9db

SHA1
095f918a488d9aed2cc16ddbf788aee0eb1c813b

SHA256
43b26e53220cea9628e176c8ab0931dd8dcb569a54eeeedaaf7b349da710e7a1

SHA512
b3d5f051ba7ab67198d4ff86d8f9d4f703f6fa54a24d93108f49f8a5e66beb4ec7e51c72e8274ea3b797ad3be2e1584b6d1a546988c9c5e30f5627b59837eea7

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\thwxu1jg.cmdline

Filesize
349B

MD5
3299121aa7be115df7a1f4808dcfdb6e

SHA1
c419f7b7cde41eae04c78f2a612ddde1d19bc0fe

SHA256
061889c99450ea21dc28ad6a1115528848dc1b42b20b946e5afa2cf5a665ff38

SHA512
c348e9dedda3f619524e9e5d4535176d57da135c497e2fb3262d0d2eb256d65e2fe98806fbaf1e9df2eb2a761ee622643aba8b035194f37df7cfd661cdc142aa

Download Submit
memory/944-40-0x00007FFD32993000-0x00007FFD32995000-memory.dmp

Filesize
8KB

Download
memory/944-43-0x000000001BBD0000-0x000000001BC0C000-memory.dmp

Filesize
240KB

Download
memory/944-42-0x0000000003030000-0x0000000003042000-memory.dmp

Filesize
72KB

Download
memory/944-41-0x0000000000F90000-0x0000000000F9C000-memory.dmp

Filesize
48KB

Download
memory/1732-21-0x00007FFD36060000-0x00007FFD36A01000-memory.dmp

Filesize
9.6MB

Download
memory/1732-16-0x00007FFD36060000-0x00007FFD36A01000-memory.dmp

Filesize
9.6MB

Download
memory/2424-48-0x000000001A1D0000-0x000000001A2DA000-memory.dmp

Filesize
1.0MB

Download
memory/2828-85-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/4464-25-0x000000001B860000-0x000000001B872000-memory.dmp

Filesize
72KB

Download
memory/4464-2-0x000000001B900000-0x000000001B95C000-memory.dmp

Filesize
368KB

Download
memory/4464-7-0x000000001C030000-0x000000001C4FE000-memory.dmp

Filesize
4.8MB

Download
memory/4464-26-0x000000001C660000-0x000000001C680000-memory.dmp

Filesize
128KB

Download
memory/4464-8-0x000000001C5A0000-0x000000001C63C000-memory.dmp

Filesize
624KB

Download
memory/4464-23-0x000000001BB20000-0x000000001BB36000-memory.dmp

Filesize
88KB

Download
memory/4464-6-0x000000001BAE0000-0x000000001BAEE000-memory.dmp

Filesize
56KB

Download
memory/4464-64-0x00007FFD36060000-0x00007FFD36A01000-memory.dmp

Filesize
9.6MB

Download
memory/4464-1-0x00007FFD36060000-0x00007FFD36A01000-memory.dmp

Filesize
9.6MB

Download
memory/4464-5-0x00007FFD36060000-0x00007FFD36A01000-memory.dmp

Filesize
9.6MB

Download
memory/4464-0-0x00007FFD36315000-0x00007FFD36316000-memory.dmp

Filesize
4KB

Download
memory/4632-66-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

Filesize
72KB

Download
memory/4632-70-0x000000001B780000-0x000000001B942000-memory.dmp

Filesize
1.8MB

Download
memory/4632-71-0x000000001B570000-0x000000001B580000-memory.dmp

Filesize
64KB

Download
memory/4632-69-0x0000000002610000-0x0000000002628000-memory.dmp

Filesize
96KB

Download
memory/4632-67-0x00000000025B0000-0x00000000025FE000-memory.dmp

Filesize
312KB

Download
memory/4632-65-0x0000000000200000-0x00000000002EA000-memory.dmp

Filesize
936KB

Download