orcus | 0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 01:23

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General

Target

0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe
Size

910KB
MD5

4d67c5767748dc2feefe86ab7a104a35
SHA1

99bce029c8f3efe7d491b1fa8a9fb49df2873fa1
SHA256

0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83
SHA512

180b2f9ee8930e328fb9ee47d4d5a8b4f4209ea68949329c17d9027c3fb4472f174a69b5858bf49aca97b257085e12109a47b1837f33d093fdcbe364d01fc508
SSDEEP

24576:INL34MROxnFf3HumxrrcI0AilFEvxHPzrooB:IWMidDrrcI0AilFEvxHP

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:1268

Mutex

e917d901ad1f4140b555b1d60ce0deeb

Attributes

autostart_method
Disable
enable_keylogger
false
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
behavioral1/files/0x0009000000017530-10.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2216-1-0x0000000001380000-0x000000000146A000-memory.dmp	orcus
behavioral1/files/0x0009000000017530-10.dat	orcus
behavioral1/memory/2836-18-0x0000000000CF0000-0x0000000000DDA000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2836	Orcus.exe
1916	Orcus.exe
2616	OrcusWatchdog.exe
3044	OrcusWatchdog.exe

Loads dropped DLL 2 IoCs

pid	Process
2216	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe
2836	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.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	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.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
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe
2836	Orcus.exe
3044	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	Orcus.exe
Token: SeDebugPrivilege	2616	OrcusWatchdog.exe
Token: SeDebugPrivilege	3044	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2836	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2836	Orcus.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2836	2216	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe	30
PID 2216 wrote to memory of 2836	2216	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe	30
PID 2216 wrote to memory of 2836	2216	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe	30
PID 2216 wrote to memory of 2836	2216	0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe	30
PID 1044 wrote to memory of 1916	1044	taskeng.exe	32
PID 1044 wrote to memory of 1916	1044	taskeng.exe	32
PID 1044 wrote to memory of 1916	1044	taskeng.exe	32
PID 1044 wrote to memory of 1916	1044	taskeng.exe	32
PID 2836 wrote to memory of 2616	2836	Orcus.exe	33
PID 2836 wrote to memory of 2616	2836	Orcus.exe	33
PID 2836 wrote to memory of 2616	2836	Orcus.exe	33
PID 2836 wrote to memory of 2616	2836	Orcus.exe	33
PID 2616 wrote to memory of 3044	2616	OrcusWatchdog.exe	34
PID 2616 wrote to memory of 3044	2616	OrcusWatchdog.exe	34
PID 2616 wrote to memory of 3044	2616	OrcusWatchdog.exe	34
PID 2616 wrote to memory of 3044	2616	OrcusWatchdog.exe	34

C:\Users\Admin\AppData\Local\Temp\0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe
"C:\Users\Admin\AppData\Local\Temp\0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- 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 WriteProcessMemory
  PID:2836
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2836
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2616
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2836
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3044

C:\Windows\system32\taskeng.exe
taskeng.exe {BFB1494F-1C7B-4C4F-9B9D-D8BD7E40B65A} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- 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:1916

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

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

Filesize
910KB

MD5
4d67c5767748dc2feefe86ab7a104a35

SHA1
99bce029c8f3efe7d491b1fa8a9fb49df2873fa1

SHA256
0364a3e0405bb8339abb28e24df1e88a1874ff283de9c81edac84e39a8b73c83

SHA512
180b2f9ee8930e328fb9ee47d4d5a8b4f4209ea68949329c17d9027c3fb4472f174a69b5858bf49aca97b257085e12109a47b1837f33d093fdcbe364d01fc508

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
memory/2216-1-0x0000000001380000-0x000000000146A000-memory.dmp

Filesize
936KB

Download
memory/2216-2-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/2216-3-0x00000000009F0000-0x0000000000A4C000-memory.dmp

Filesize
368KB

Download
memory/2216-4-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-5-0x0000000000620000-0x0000000000632000-memory.dmp

Filesize
72KB

Download
memory/2216-6-0x0000000000A50000-0x0000000000A58000-memory.dmp

Filesize
32KB

Download
memory/2216-14-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2616-34-0x0000000001190000-0x0000000001198000-memory.dmp

Filesize
32KB

Download
memory/2836-16-0x0000000073A3E000-0x0000000073A3F000-memory.dmp

Filesize
4KB

Download
memory/2836-20-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/2836-21-0x0000000000B40000-0x0000000000B8E000-memory.dmp

Filesize
312KB

Download
memory/2836-22-0x00000000021E0000-0x00000000021F8000-memory.dmp

Filesize
96KB

Download
memory/2836-23-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

Filesize
64KB

Download
memory/2836-19-0x0000000073A30000-0x000000007411E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-18-0x0000000000CF0000-0x0000000000DDA000-memory.dmp

Filesize
936KB

Download
memory/2836-36-0x0000000073A3E000-0x0000000073A3F000-memory.dmp

Filesize
4KB

Download
memory/2836-37-0x0000000073A30000-0x000000007411E000-memory.dmp

Filesize
6.9MB

Download