orcus | 5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 01:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
Size

915KB
MD5

ada039644e59df9cb31e9bb1051d57ec
SHA1

921eaf597d36694b70ffd4dee6cb2c134e25e8c0
SHA256

5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f
SHA512

2f946ea34c4569d5dfc9760426a4827e1ee47ce32a00896b0c1bea9e70d675c81246461aabe6b228cc619e63c59634182a253aa4893f71983b8df9ec3542a64e
SSDEEP

24576:mmHR4MROxnFi3IsFrrcI0AilFEvxHPQook:JuMioNFrrcI0AilFEvxHP

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.0.103:6969

Mutex

12557aa19bb544ccb6c16b1f84c08d29

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
System322
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
behavioral1/files/0x000800000001628b-13.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2804-1-0x0000000000A80000-0x0000000000B6A000-memory.dmp	orcus
behavioral1/files/0x000800000001628b-13.dat	orcus
behavioral1/memory/2852-20-0x0000000000BF0000-0x0000000000CDA000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2852	Orcus.exe
1612	Orcus.exe
1580	OrcusWatchdog.exe
2336	OrcusWatchdog.exe

Loads dropped DLL 2 IoCs

pid	Process
2804	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
2852	Orcus.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\System322 = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.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 5 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	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
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
2852	Orcus.exe
2852	Orcus.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2336	OrcusWatchdog.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe
2852	Orcus.exe
2336	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	Orcus.exe
Token: SeDebugPrivilege	1580	OrcusWatchdog.exe
Token: SeDebugPrivilege	2336	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2852	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2852	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2852	Orcus.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2852	2804	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe	31
PID 2804 wrote to memory of 2852	2804	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe	31
PID 2804 wrote to memory of 2852	2804	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe	31
PID 2804 wrote to memory of 2852	2804	5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe	31
PID 1588 wrote to memory of 1612	1588	taskeng.exe	33
PID 1588 wrote to memory of 1612	1588	taskeng.exe	33
PID 1588 wrote to memory of 1612	1588	taskeng.exe	33
PID 1588 wrote to memory of 1612	1588	taskeng.exe	33
PID 2852 wrote to memory of 1580	2852	Orcus.exe	34
PID 2852 wrote to memory of 1580	2852	Orcus.exe	34
PID 2852 wrote to memory of 1580	2852	Orcus.exe	34
PID 2852 wrote to memory of 1580	2852	Orcus.exe	34
PID 1580 wrote to memory of 2336	1580	OrcusWatchdog.exe	35
PID 1580 wrote to memory of 2336	1580	OrcusWatchdog.exe	35
PID 1580 wrote to memory of 2336	1580	OrcusWatchdog.exe	35
PID 1580 wrote to memory of 2336	1580	OrcusWatchdog.exe	35

C:\Users\Admin\AppData\Local\Temp\5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe
"C:\Users\Admin\AppData\Local\Temp\5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2852 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1580
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2852 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2336

C:\Windows\system32\taskeng.exe
taskeng.exe {31F5321F-5AE4-4F95-A871-5BBF0D96D1BB} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1612

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_12557aa19bb544ccb6c16b1f84c08d29.dat

Filesize
1KB

MD5
48a6b64e597fc1ea912232272dd73e21

SHA1
13309f9728cbd3273e2b10d16353c88555b21ff9

SHA256
790cef51ceac75890ab1fcf626a71633b505e2bd6850316638786dd6d6eab7b4

SHA512
8f33f156774a782552d391e7421c3de4d885f90919029fd9c6898009c5c7d459386899d7a92ec4882514bdd261b7d602b1f25a1ccd0d112ef292da2ba0608d6a

Download Submit
\Program Files (x86)\Orcus\Orcus.exe

Filesize
915KB

MD5
ada039644e59df9cb31e9bb1051d57ec

SHA1
921eaf597d36694b70ffd4dee6cb2c134e25e8c0

SHA256
5f615729178ef0849f50aa12de0990cdcfd7e230b7f0f1fbf8fc8c697f66306f

SHA512
2f946ea34c4569d5dfc9760426a4827e1ee47ce32a00896b0c1bea9e70d675c81246461aabe6b228cc619e63c59634182a253aa4893f71983b8df9ec3542a64e

Download Submit
\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
memory/1580-39-0x00000000012E0000-0x00000000012E8000-memory.dmp

Filesize
32KB

Download
memory/2804-5-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download
memory/2804-6-0x0000000000A50000-0x0000000000A58000-memory.dmp

Filesize
32KB

Download
memory/2804-7-0x0000000000A60000-0x0000000000A68000-memory.dmp

Filesize
32KB

Download
memory/2804-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2804-17-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-1-0x0000000000A80000-0x0000000000B6A000-memory.dmp

Filesize
936KB

Download
memory/2804-2-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/2804-3-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-4-0x0000000000530000-0x000000000058C000-memory.dmp

Filesize
368KB

Download
memory/2852-23-0x0000000000810000-0x0000000000822000-memory.dmp

Filesize
72KB

Download
memory/2852-20-0x0000000000BF0000-0x0000000000CDA000-memory.dmp

Filesize
936KB

Download
memory/2852-26-0x0000000002330000-0x000000000237E000-memory.dmp

Filesize
312KB

Download
memory/2852-27-0x0000000002390000-0x00000000023A8000-memory.dmp

Filesize
96KB

Download
memory/2852-29-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/2852-21-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-22-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-41-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-42-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download