orcus | 163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 01:20

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General

Target

163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
Size

920KB
MD5

bf28a4299deb6d5047d2defdac805ad8
SHA1

b4b31925fca63c42f66353ea863464d28a874071
SHA256

163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2
SHA512

92bec47a9b695acc2b54e2c78f5b591140c21cf4b3ad30108d5fb372ca51b6ff6b98f184cc73ee23aada2e8cf87b8b88921e34be060648c2714f1151340b1df0
SSDEEP

24576:Weu4MROxnFZ3WurRrZlI0AilFEvxHiBfWuM:WetMi7TrZlI0AilFEvxHiY

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.224.1:6969

Mutex

a4e1aea05229412fadaa047e2ae9b50c

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.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/0x0008000000023cb3-63.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4084-64-0x0000000000D90000-0x0000000000E7C000-memory.dmp	orcus
behavioral2/files/0x0008000000023cb3-63.dat	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe

Executes dropped EXE 6 IoCs

pid	Process
3928	WindowsInput.exe
4696	WindowsInput.exe
4084	Orcus.exe
4340	Orcus.exe
4804	OrcusWatchdog.exe
2436	OrcusWatchdog.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Orcus\Orcus.exe	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File created	C:\Program Files\Orcus\Orcus.exe	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File created	C:\Windows\assembly\Desktop.ini	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.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	OrcusWatchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OrcusWatchdog.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4084	Orcus.exe
4084	Orcus.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
2436	OrcusWatchdog.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe
4084	Orcus.exe
2436	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4084	Orcus.exe
Token: SeDebugPrivilege	4804	OrcusWatchdog.exe
Token: SeDebugPrivilege	2436	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4084	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4084	Orcus.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4708	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	82
PID 1100 wrote to memory of 4708	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	82
PID 4708 wrote to memory of 2664	4708	csc.exe	84
PID 4708 wrote to memory of 2664	4708	csc.exe	84
PID 1100 wrote to memory of 3928	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	85
PID 1100 wrote to memory of 3928	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	85
PID 1100 wrote to memory of 4084	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	87
PID 1100 wrote to memory of 4084	1100	163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe	87
PID 4084 wrote to memory of 4804	4084	Orcus.exe	89
PID 4084 wrote to memory of 4804	4084	Orcus.exe	89
PID 4084 wrote to memory of 4804	4084	Orcus.exe	89
PID 4804 wrote to memory of 2436	4804	OrcusWatchdog.exe	90
PID 4804 wrote to memory of 2436	4804	OrcusWatchdog.exe	90
PID 4804 wrote to memory of 2436	4804	OrcusWatchdog.exe	90

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\163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.exe
"C:\Users\Admin\AppData\Local\Temp\163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2.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:1100
- 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\xzpciizs.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4708
- - 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\RES83D7.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC83C6.tmp"
    3⤵
    PID:2664
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3928
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4084
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 4084 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4804
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 4084 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2436

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:4696

C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:4340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
920KB

MD5
bf28a4299deb6d5047d2defdac805ad8

SHA1
b4b31925fca63c42f66353ea863464d28a874071

SHA256
163f312e21ec1253901c9a2651311b6ca5205c41d858ca297c3d60c28dbeb5c2

SHA512
92bec47a9b695acc2b54e2c78f5b591140c21cf4b3ad30108d5fb372ca51b6ff6b98f184cc73ee23aada2e8cf87b8b88921e34be060648c2714f1151340b1df0

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

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES83D7.tmp

Filesize
1KB

MD5
d81806e84284a3d560facd3a7ddd3a00

SHA1
243d6cbb33116d3e5532d0f2cc8c380640bc5ccf

SHA256
04806bd343fc8565b8819c9be1029c01db30dab953874534b51e38bc18f36e37

SHA512
0d63c9c661fcc26f1bf538223cec82bfcc20675941dff269961214fcf9671242afd6a2ca7721ed8d33fbf52d017b59df7f14ecc363e0d66f8e90bb156c34a748

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

Filesize
76KB

MD5
17075e5544b622e2e4b4ca7fe7efe9a0

SHA1
d449272ded4739a900f04c3799d601ad3eed1c27

SHA256
da018b3939754886ab3447e24e62733ac7505d5a0ffd230e1379264c9e2c7c0b

SHA512
787be0e1097b6b4135867a89b9c878c8727b5795be986992285058b1de47654e77ea1dfa47f3f9bb0563b30ad2f0b36f1d38decc0a20d8c718dcc39a37f23b08

Download Submit
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.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\CSC83C6.tmp

Filesize
676B

MD5
250b866c32403d6551df4fed45ec8f83

SHA1
e6dae56230c90a6b39969283942cbfa7636c4efe

SHA256
f5e3e255707565b9b6735cc0f5918e90258fba4904844404e712a8f63ae69a37

SHA512
951c181d49e8e580edaf4851ef829f92358ea7f060af08cd0beaa1c41e61b6484aa7172379e43439ed3f635b67f473fc48e9ada2ac9933ca590f315eeaba97d1

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

Filesize
208KB

MD5
08fcc49859fcd1e94e3b47e9341efe6f

SHA1
c63595696b39dff1c7281fb8335bd76db246d794

SHA256
5c6cb4feb32c4358c9567dd4d1d9e1c18f0f287d2eed005fd81f98ba6af46479

SHA512
8a4d1d4a7998d6cfb801765b69aa1584d40b733a0d38b150a07a5214450b846770184ce2c29bbba0ddd6fb7608f0f360b247f8e61c28c81d4c9169873b646c83

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

Filesize
349B

MD5
aa61d0aa719709e3f28da538cf894af0

SHA1
3a7867ea6b513cbdc6e8fc6d6aae707d10e069dc

SHA256
6c99576113327f3265058a9bcb30a7bca7a5982ac101582ab040fd0235ebc566

SHA512
5d4fb2dc9a49047d9d5701003bd1817bc7ef272662b9950f73cf1b571a2c435651cd76f487e411b6c508909b44f2b7023fd8a9175dd4ee2cecb83ef2c517309d

Download Submit
memory/1100-26-0x000000001C9D0000-0x000000001C9F0000-memory.dmp

Filesize
128KB

Download
memory/1100-7-0x000000001BD80000-0x000000001C24E000-memory.dmp

Filesize
4.8MB

Download
memory/1100-1-0x00007FFBF6DC0000-0x00007FFBF7761000-memory.dmp

Filesize
9.6MB

Download
memory/1100-5-0x000000001B780000-0x000000001B78E000-memory.dmp

Filesize
56KB

Download
memory/1100-2-0x000000001B690000-0x000000001B6EC000-memory.dmp

Filesize
368KB

Download
memory/1100-25-0x0000000001000000-0x0000000001012000-memory.dmp

Filesize
72KB

Download
memory/1100-0-0x00007FFBF7075000-0x00007FFBF7076000-memory.dmp

Filesize
4KB

Download
memory/1100-6-0x00007FFBF6DC0000-0x00007FFBF7761000-memory.dmp

Filesize
9.6MB

Download
memory/1100-65-0x00007FFBF6DC0000-0x00007FFBF7761000-memory.dmp

Filesize
9.6MB

Download
memory/1100-23-0x000000001C990000-0x000000001C9A6000-memory.dmp

Filesize
88KB

Download
memory/1100-8-0x000000001C2F0000-0x000000001C38C000-memory.dmp

Filesize
624KB

Download
memory/3928-42-0x0000000002240000-0x0000000002252000-memory.dmp

Filesize
72KB

Download
memory/3928-43-0x00000000022B0000-0x00000000022EC000-memory.dmp

Filesize
240KB

Download
memory/3928-41-0x00007FFBF47D3000-0x00007FFBF47D5000-memory.dmp

Filesize
8KB

Download
memory/3928-40-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download
memory/4084-69-0x000000001CA60000-0x000000001CA78000-memory.dmp

Filesize
96KB

Download
memory/4084-64-0x0000000000D90000-0x0000000000E7C000-memory.dmp

Filesize
944KB

Download
memory/4084-67-0x000000001C8D0000-0x000000001C91E000-memory.dmp

Filesize
312KB

Download
memory/4084-66-0x0000000002E20000-0x0000000002E32000-memory.dmp

Filesize
72KB

Download
memory/4084-71-0x000000001BA20000-0x000000001BA30000-memory.dmp

Filesize
64KB

Download
memory/4084-70-0x000000001CE00000-0x000000001CFC2000-memory.dmp

Filesize
1.8MB

Download
memory/4696-48-0x000000001AD90000-0x000000001AE9A000-memory.dmp

Filesize
1.0MB

Download
memory/4708-21-0x00007FFBF6DC0000-0x00007FFBF7761000-memory.dmp

Filesize
9.6MB

Download
memory/4708-17-0x00007FFBF6DC0000-0x00007FFBF7761000-memory.dmp

Filesize
9.6MB

Download
memory/4804-85-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download