orcus | 5ff2bbbfccb553464ebccb5fe8293607d31453a41fc14cf023378b3d503baf0d

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
behavioral1/files/0x0009000000016176-37.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016176-37.dat	orcus
behavioral1/memory/2532-40-0x0000000000DE0000-0x0000000000ECC000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2700	WindowsInput.exe
2760	WindowsInput.exe
2532	Orcus.exe
1320	Orcus.exe
1488	windows.exe
2252	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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Audio = "\"C:\\Program Files\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	cheat injector.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	cheat injector.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

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
2252	windows.exe
2252	windows.exe
2532	Orcus.exe
2532	Orcus.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe
2532	Orcus.exe
2252	windows.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	Orcus.exe
Token: SeDebugPrivilege	1488	windows.exe
Token: SeDebugPrivilege	2252	windows.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	Orcus.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2876	2988	cheat injector.exe	28
PID 2988 wrote to memory of 2876	2988	cheat injector.exe	28
PID 2988 wrote to memory of 2876	2988	cheat injector.exe	28
PID 2876 wrote to memory of 2176	2876	csc.exe	30
PID 2876 wrote to memory of 2176	2876	csc.exe	30
PID 2876 wrote to memory of 2176	2876	csc.exe	30
PID 2988 wrote to memory of 2700	2988	cheat injector.exe	31
PID 2988 wrote to memory of 2700	2988	cheat injector.exe	31
PID 2988 wrote to memory of 2700	2988	cheat injector.exe	31
PID 2988 wrote to memory of 2532	2988	cheat injector.exe	33
PID 2988 wrote to memory of 2532	2988	cheat injector.exe	33
PID 2988 wrote to memory of 2532	2988	cheat injector.exe	33
PID 2976 wrote to memory of 1320	2976	taskeng.exe	35
PID 2976 wrote to memory of 1320	2976	taskeng.exe	35
PID 2976 wrote to memory of 1320	2976	taskeng.exe	35
PID 2532 wrote to memory of 1488	2532	Orcus.exe	36
PID 2532 wrote to memory of 1488	2532	Orcus.exe	36
PID 2532 wrote to memory of 1488	2532	Orcus.exe	36
PID 2532 wrote to memory of 1488	2532	Orcus.exe	36
PID 1488 wrote to memory of 2252	1488	windows.exe	37
PID 1488 wrote to memory of 2252	1488	windows.exe	37
PID 1488 wrote to memory of 2252	1488	windows.exe	37
PID 1488 wrote to memory of 2252	1488	windows.exe	37

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⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2988
- 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\zrd7lvs9.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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\RES6385.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6384.tmp"
    3⤵
    PID:2176
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2700
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - 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:2532
- - C:\Users\Admin\AppData\Roaming\windows.exe
    "C:\Users\Admin\AppData\Roaming\windows.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 2532 /protectFile
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1488
  - - C:\Users\Admin\AppData\Roaming\windows.exe
      "C:\Users\Admin\AppData\Roaming\windows.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 2532 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2252

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2760

C:\Windows\system32\taskeng.exe
taskeng.exe {80351961-236D-4B11-B455-8B225AF6F2BF} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:1320

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\RES6385.tmp

Filesize
1KB

MD5
e3560a8d14f0676e659abc04a42eb4ba

SHA1
6cc5a178c18b12c47b8b7b24186539f4f2e9eea6

SHA256
aaa8ec02caf9dfb2879c568f2c5c0f30ef2b182a7743eeea3992d7fe22444315

SHA512
b71dda3043900c74f84f8b112f2135b88b8be2ebb0b6f9a7b49415cb912a037c26857d1af28efa9aa7180e4473638bd74f5f97525d8e44cbcdd91ed13f876964

Download Submit
C:\Users\Admin\AppData\Local\Temp\zrd7lvs9.dll

Filesize
76KB

MD5
776f232b1e785ffff80ebab46f43674e

SHA1
f0ee54c47905e14c2c26dbd27dc947caf9f90ca3

SHA256
49db15235b0f0db360cba7ce2935a021473eb06153acc14fd7c6540a9e296222

SHA512
7dff5bd745629902f4cbc895425f0243add91796719b1c928217b7ace13b3f34b966dc119c1a54bd196846be75dda56ca169b1a004c913f09e8285f24a5b8008

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\CSC6384.tmp

Filesize
676B

MD5
ab121cc65752f261048dfbc62210a164

SHA1
726463e9f17657e6245b441014d112db754b3879

SHA256
4adc4375bf1eac98e175a67c0f4dc923d91cbcb17a31693882159d717def4a1f

SHA512
c9ad9023c55ab95f9c5bad2780b10000abb90644039fa853f3ea614536892d2ba5e2d055fdbbe6edf37c0f86997ac10727a66b5761b8987608a0729768756abe

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\zrd7lvs9.0.cs

Filesize
208KB

MD5
2b14ae8b54d216abf4d228493ceca44a

SHA1
d134351498e4273e9d6391153e35416bc743adef

SHA256
4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

SHA512
5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\zrd7lvs9.cmdline

Filesize
349B

MD5
6fb396113d0c8da81ea30581a8283b33

SHA1
21cf06470c30d3f0fcc592e0801944e74c083d87

SHA256
ea61196e7ec6e99f1d743d40a8e09568858c1df173b7434acba47db6252d9709

SHA512
9706eb424e30b8acba6aa9fea02a15a96cc49e8137482fb537e0ab1663ee48ec2d6be052bd88fd9a4ddd406c3c2a47da6e989349c6941e27c17cb759d9eb780c

Download Submit
memory/1488-55-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2532-40-0x0000000000DE0000-0x0000000000ECC000-memory.dmp

Filesize
944KB

Download
memory/2532-42-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/2532-45-0x0000000000D10000-0x0000000000D20000-memory.dmp

Filesize
64KB

Download
memory/2532-44-0x0000000000CF0000-0x0000000000D08000-memory.dmp

Filesize
96KB

Download
memory/2532-43-0x0000000000CA0000-0x0000000000CEE000-memory.dmp

Filesize
312KB

Download
memory/2700-28-0x00000000002E0000-0x00000000002EC000-memory.dmp

Filesize
48KB

Download
memory/2760-32-0x0000000001080000-0x000000000108C000-memory.dmp

Filesize
48KB

Download
memory/2876-16-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/2876-57-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/2988-3-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/2988-0-0x000007FEF53FE000-0x000007FEF53FF000-memory.dmp

Filesize
4KB

Download
memory/2988-41-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/2988-18-0x00000000022C0000-0x00000000022D6000-memory.dmp

Filesize
88KB

Download
memory/2988-8-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

Filesize
9.6MB

Download
memory/2988-20-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/2988-1-0x000000001AEE0000-0x000000001AF3C000-memory.dmp

Filesize
368KB

Download
memory/2988-2-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download