orcus | b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 01:33

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General

Target

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe
Size

915KB
MD5

8161206e41902fdf459614805090f425
SHA1

1b97a4f47ba33e17d3e583426731ae75b8d7b1a7
SHA256

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b
SHA512

8b4369ca1f21eaedb41e9ca816abce19a7a3c61244795862b8268fa135f6ff6abbf0121ecc71cd400e96c4ef813f4ff4bc42c5df1a469df4a0a501ed43d9ae36
SSDEEP

24576:YmHR4MROxnFi3Is4rrcI0AilFEvxHPmook:7uMioN4rrcI0AilFEvxHP

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.0.103:6969

Mutex

a289f5162e614f13a5cf125c6e24e771

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

Processes:

resource	yara_rule
behavioral1/files/0x0007000000015d30-13.dat	family_orcus

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2452-1-0x00000000011D0000-0x00000000012BA000-memory.dmp	orcus
behavioral1/files/0x0007000000015d30-13.dat	orcus
behavioral1/memory/2400-19-0x0000000001230000-0x000000000131A000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

Orcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

pid	Process
2400	Orcus.exe
3032	Orcus.exe
2764	OrcusWatchdog.exe
2648	OrcusWatchdog.exe

Loads dropped DLL 2 IoCs

Processes:

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exeOrcus.exe

pid	Process
2452	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe
2400	Orcus.exe

Drops file in Program Files directory 3 IoCs

Processes:

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.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

Processes:

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.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

Processes:

OrcusWatchdog.exeOrcus.exe

pid	Process
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe
2400	Orcus.exe
2648	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description	pid	Process
Token: SeDebugPrivilege	2400	Orcus.exe
Token: SeDebugPrivilege	2764	OrcusWatchdog.exe
Token: SeDebugPrivilege	2648	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid	Process
2400	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid	Process
2400	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Orcus.exe

pid	Process
2400	Orcus.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exetaskeng.exeOrcus.exeOrcusWatchdog.exe

description	pid	Process	procid_target
PID 2452 wrote to memory of 2400	2452	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe	31
PID 2452 wrote to memory of 2400	2452	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe	31
PID 2452 wrote to memory of 2400	2452	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe	31
PID 2452 wrote to memory of 2400	2452	b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe	31
PID 2760 wrote to memory of 3032	2760	taskeng.exe	33
PID 2760 wrote to memory of 3032	2760	taskeng.exe	33
PID 2760 wrote to memory of 3032	2760	taskeng.exe	33
PID 2760 wrote to memory of 3032	2760	taskeng.exe	33
PID 2400 wrote to memory of 2764	2400	Orcus.exe	34
PID 2400 wrote to memory of 2764	2400	Orcus.exe	34
PID 2400 wrote to memory of 2764	2400	Orcus.exe	34
PID 2400 wrote to memory of 2764	2400	Orcus.exe	34
PID 2764 wrote to memory of 2648	2764	OrcusWatchdog.exe	35
PID 2764 wrote to memory of 2648	2764	OrcusWatchdog.exe	35
PID 2764 wrote to memory of 2648	2764	OrcusWatchdog.exe	35
PID 2764 wrote to memory of 2648	2764	OrcusWatchdog.exe	35

C:\Users\Admin\AppData\Local\Temp\b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe
"C:\Users\Admin\AppData\Local\Temp\b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:2400
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2400 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2400 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2648

C:\Windows\system32\taskeng.exe
taskeng.exe {D1739382-2F77-47C3-B766-4A24ED47F427} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- 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:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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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_a289f5162e614f13a5cf125c6e24e771.dat

Filesize
1KB

MD5
c2bf73d4f6130c5fcf67c041cca3c590

SHA1
6b359199e4fa5da46a7fdcbf1b8f42eaa2c3f2bd

SHA256
399eb801d8da2721b4f637cf1f95e0854489768c7892ff920bf60bd2fc6c71ef

SHA512
0febc8794ae238a21ea4441e5b8c38e7d4a1e5a47a82c92156d88799e3b237a5ee941dc5e5c3dc11699229c36c439d8c4c9dd747fe0a582e14d60afc7b7b8e42

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

Filesize
915KB

MD5
8161206e41902fdf459614805090f425

SHA1
1b97a4f47ba33e17d3e583426731ae75b8d7b1a7

SHA256
b7684262403dfa08b0437910fbe72e02bc42ab2efb40ba9e1b7e9b291446dd5b

SHA512
8b4369ca1f21eaedb41e9ca816abce19a7a3c61244795862b8268fa135f6ff6abbf0121ecc71cd400e96c4ef813f4ff4bc42c5df1a469df4a0a501ed43d9ae36

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
memory/2400-25-0x0000000000F60000-0x0000000000F78000-memory.dmp

Filesize
96KB

Download
memory/2400-21-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-41-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-40-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-26-0x0000000001190000-0x00000000011A0000-memory.dmp

Filesize
64KB

Download
memory/2400-24-0x00000000010E0000-0x000000000112E000-memory.dmp

Filesize
312KB

Download
memory/2400-20-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-19-0x0000000001230000-0x000000000131A000-memory.dmp

Filesize
936KB

Download
memory/2452-3-0x0000000000650000-0x00000000006AC000-memory.dmp

Filesize
368KB

Download
memory/2452-5-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/2452-2-0x00000000003B0000-0x00000000003BE000-memory.dmp

Filesize
56KB

Download
memory/2452-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2452-4-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2452-1-0x00000000011D0000-0x00000000012BA000-memory.dmp

Filesize
936KB

Download
memory/2452-39-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2452-6-0x0000000000730000-0x0000000000738000-memory.dmp

Filesize
32KB

Download
memory/2452-7-0x0000000000740000-0x0000000000748000-memory.dmp

Filesize
32KB

Download
memory/2764-37-0x0000000000D00000-0x0000000000D08000-memory.dmp

Filesize
32KB

Download