orcus | 5ff2bbbfccb553464ebccb5fe8293607d31453a41fc14cf023378b3d503baf0d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 12:30

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General

Target

cheat injector.exe
Size

920KB
MD5

15dda33200e2f5f0efa90e39c6d97391
SHA1

3be8d9f8335f760e5777b06b1d90a18456c14a43
SHA256

e6b521e4a46a242837679a4c2fffe77ec0a7c096df4d0fdd52bde358e7871751
SHA512

c4a926fe9920e91015c7880dcf78db6b67928a56ba8bb5e271178a4c2647bc640da9a330eaec5f13542b0d5dfe0246c2c2d10db1023cdb37ce32085e021fd6a8
SSDEEP

24576:mtY4MROxnFZ3xkTZhrZlI0AilFEvxHito:mt7Mi7CrZlI0AilFEvxHi

Score

10^/10

orcus malakismeno persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

malakismeno

kmoukoun.ddns.net:4782

Mutex

aa70db3aada74bea8cfc3e82bc9f4fa1

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Windows Audio
taskscheduler_taskname
svchost
watchdog_path
AppData\windows.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000002334d-58.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000002334d-58.dat	orcus
behavioral2/memory/4792-62-0x0000000000010000-0x00000000000FC000-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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	cheat injector.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	windows.exe

Executes dropped EXE 6 IoCs

pid	Process
3952	WindowsInput.exe
3844	WindowsInput.exe
4792	Orcus.exe
4288	Orcus.exe
3244	windows.exe
4808	windows.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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Audio = "\"C:\\Program Files\\Orcus\\Orcus.exe\""	Orcus.exe

Drops desktop.ini file(s) 2 IoCs

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

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	cheat injector.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	cheat injector.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\Orcus.exe	cheat injector.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	cheat injector.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	cheat injector.exe

Drops file in Windows directory 3 IoCs

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4792	Orcus.exe
4792	Orcus.exe
4792	Orcus.exe
4808	windows.exe
4808	windows.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe
4792	Orcus.exe
4808	windows.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	Orcus.exe
Token: SeDebugPrivilege	3244	windows.exe
Token: SeDebugPrivilege	4808	windows.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4792	Orcus.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 3732	4212	cheat injector.exe	85
PID 4212 wrote to memory of 3732	4212	cheat injector.exe	85
PID 3732 wrote to memory of 4032	3732	csc.exe	87
PID 3732 wrote to memory of 4032	3732	csc.exe	87
PID 4212 wrote to memory of 3952	4212	cheat injector.exe	88
PID 4212 wrote to memory of 3952	4212	cheat injector.exe	88
PID 4212 wrote to memory of 4792	4212	cheat injector.exe	92
PID 4212 wrote to memory of 4792	4212	cheat injector.exe	92
PID 4792 wrote to memory of 3244	4792	Orcus.exe	94
PID 4792 wrote to memory of 3244	4792	Orcus.exe	94
PID 4792 wrote to memory of 3244	4792	Orcus.exe	94
PID 3244 wrote to memory of 4808	3244	windows.exe	95
PID 3244 wrote to memory of 4808	3244	windows.exe	95
PID 3244 wrote to memory of 4808	3244	windows.exe	95

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\cheat injector.exe
"C:\Users\Admin\AppData\Local\Temp\cheat injector.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:4212
- 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\o9oev5os.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - 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\RES2B08.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC2B07.tmp"
    3⤵
    PID:4032
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3952
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Users\Admin\AppData\Roaming\windows.exe
    "C:\Users\Admin\AppData\Roaming\windows.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 4792 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3244
  - - C:\Users\Admin\AppData\Roaming\windows.exe
      "C:\Users\Admin\AppData\Roaming\windows.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 4792 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4808

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3844

C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:4288

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
920KB

MD5
15dda33200e2f5f0efa90e39c6d97391

SHA1
3be8d9f8335f760e5777b06b1d90a18456c14a43

SHA256
e6b521e4a46a242837679a4c2fffe77ec0a7c096df4d0fdd52bde358e7871751

SHA512
c4a926fe9920e91015c7880dcf78db6b67928a56ba8bb5e271178a4c2647bc640da9a330eaec5f13542b0d5dfe0246c2c2d10db1023cdb37ce32085e021fd6a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES2B08.tmp

Filesize
1KB

MD5
b96516c1098d265d4c14fbe414850437

SHA1
11bd67f3f7b8a3ca00a802be1ec076280dd6789f

SHA256
3f4ee4588b86a360621ea10b6d067a2a31e3337485f1b5040bd6ae2a7829fdaf

SHA512
dd80d891f39aabd92cc56bb1c7eee7241ab54c58f377d6261a6153008a99afc73cd5570883ecda5db051c27d04f2558b01f67a2a2f27cfc3b10007c1eca745bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\o9oev5os.dll

Filesize
76KB

MD5
25f767a4650b2b00934a9d2d837ef279

SHA1
e00926dcad8042a07fcefe790b717477384ff973

SHA256
c7e0032e166e96c2a4273d30d4dc7aa862bfc4e6d9fb9bbe77dc489743f88693

SHA512
6fdbcab16067e436785f10ed9303f6dc0fc20254412bc9dc5d846a79054ff9e4523be25336a9fb4fa75173d81cecdd53e4f4669527a7fee687712fe0936e8998

Download Submit
C:\Users\Admin\AppData\Roaming\windows.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\CSC2B07.tmp

Filesize
676B

MD5
4e36c33f77eaba495efaea05a1e57401

SHA1
f9f14d2c995f9315d70d394d243ccfd14c1665a6

SHA256
f5787f21968a506f1747bb6213ebed3912f9921346f644a5d748df05874ebfe6

SHA512
afbc8fdda9802a96aa3055f53bbae6b72c6608972a847dbe349dec4af730a1d76a3c0c2963db22d3bca68673b9214706a98d11c931fae70199212049bf958bbf

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\o9oev5os.0.cs

Filesize
208KB

MD5
d30ae987f770cad200b1757919f5526d

SHA1
b401887dba24d3f2b12bf9a9f67baf17fb64a758

SHA256
feae5496b24113a882c100300ccbe13219031eec344f3e3230f23b4ceb83cdbd

SHA512
617951ebb671098dbf7393e712d9c88e23e14ea5a94c0de09d27a0048c68473a133428f0cdf62164dd63dc7ebb1f5369f3b442b2d16d949b48cc40e86e24acdc

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\o9oev5os.cmdline

Filesize
349B

MD5
577f1278978ede4f2388ce6e9f285216

SHA1
2f7eafdff95b2bc403fa3553834d35cfad389e59

SHA256
f5c9ad0b69c20a406981d732bfd5515f3aa95f79eb43458cc9aef3c4275821ab

SHA512
fb9886808b708e6423a7a4dc7fbea800c0d2dec4eee338195fcc30c1480ed36241251b4958b44f1e06b48ffc25a8023a17453eac1f6b8865361cd9ab33592447

Download Submit
memory/3244-83-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

Filesize
32KB

Download
memory/3732-89-0x00007FF8E9F70000-0x00007FF8EA911000-memory.dmp

Filesize
9.6MB

Download
memory/3732-21-0x00007FF8E9F70000-0x00007FF8EA911000-memory.dmp

Filesize
9.6MB

Download
memory/3844-47-0x0000000019FF0000-0x000000001A0FA000-memory.dmp

Filesize
1.0MB

Download
memory/3952-39-0x0000000000A80000-0x0000000000A8C000-memory.dmp

Filesize
48KB

Download
memory/3952-42-0x000000001B680000-0x000000001B6BC000-memory.dmp

Filesize
240KB

Download
memory/3952-41-0x000000001B520000-0x000000001B532000-memory.dmp

Filesize
72KB

Download
memory/3952-40-0x00007FF8E6D63000-0x00007FF8E6D65000-memory.dmp

Filesize
8KB

Download
memory/4212-25-0x000000001C6A0000-0x000000001C6C0000-memory.dmp

Filesize
128KB

Download
memory/4212-1-0x00007FF8E9F70000-0x00007FF8EA911000-memory.dmp

Filesize
9.6MB

Download
memory/4212-6-0x00007FF8E9F70000-0x00007FF8EA911000-memory.dmp

Filesize
9.6MB

Download
memory/4212-0-0x00007FF8EA225000-0x00007FF8EA226000-memory.dmp

Filesize
4KB

Download
memory/4212-24-0x0000000000F10000-0x0000000000F22000-memory.dmp

Filesize
72KB

Download
memory/4212-8-0x000000001BFB0000-0x000000001C04C000-memory.dmp

Filesize
624KB

Download
memory/4212-2-0x000000001B360000-0x000000001B3BC000-memory.dmp

Filesize
368KB

Download
memory/4212-22-0x000000001C660000-0x000000001C676000-memory.dmp

Filesize
88KB

Download
memory/4212-63-0x00007FF8E9F70000-0x00007FF8EA911000-memory.dmp

Filesize
9.6MB

Download
memory/4212-5-0x000000001B450000-0x000000001B45E000-memory.dmp

Filesize
56KB

Download
memory/4212-7-0x000000001BA40000-0x000000001BF0E000-memory.dmp

Filesize
4.8MB

Download
memory/4792-64-0x00000000008E0000-0x00000000008F2000-memory.dmp

Filesize
72KB

Download
memory/4792-69-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/4792-68-0x000000001B590000-0x000000001B752000-memory.dmp

Filesize
1.8MB

Download
memory/4792-67-0x0000000002550000-0x0000000002568000-memory.dmp

Filesize
96KB

Download
memory/4792-65-0x0000000002500000-0x000000000254E000-memory.dmp

Filesize
312KB

Download
memory/4792-62-0x0000000000010000-0x00000000000FC000-memory.dmp

Filesize
944KB

Download