orcus | 0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24-07-2024 01:02

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General

Target

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
Size

917KB
MD5

e9254de10333cf644c4ff9b3bd8fdd13
SHA1

6f8c9d2ca9e445cbbded55dac2253bae29db4d9a
SHA256

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd
SHA512

5d0373eb8ede5d23c7b7ea9d4cb769c2f127e04e096e0a0eec95bcff938d3cbfb206ab49ac87eff8f2421fb89d570f29c7d238d2437297367cbc02babf197dcb
SSDEEP

24576:1IY4MROxnFi3gsxrrcI0AilFEvxHP9Fboo+:1aMioVxrrcI0AilFEvxHP

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.0.23:6565

Mutex

028d5aa3082f4fb9914e6557035ef57a

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Yandex
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 main payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0003000000017801-13.dat	family_orcus

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2816-1-0x0000000000B20000-0x0000000000C0A000-memory.dmp	orcus
behavioral1/files/0x0003000000017801-13.dat	orcus
behavioral1/memory/2720-19-0x00000000002B0000-0x000000000039A000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

Orcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

pid	Process
2720	Orcus.exe
572	Orcus.exe
1992	OrcusWatchdog.exe
1444	OrcusWatchdog.exe

Loads dropped DLL 2 IoCs

Processes:

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exeOrcus.exe

pid	Process
2816	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
2720	Orcus.exe

Drops file in Program Files directory 3 IoCs

Processes:

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.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:

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.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:

Orcus.exeOrcusWatchdog.exe

pid	Process
2720	Orcus.exe
2720	Orcus.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
1444	OrcusWatchdog.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe
2720	Orcus.exe
1444	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description	pid	Process
Token: SeDebugPrivilege	2720	Orcus.exe
Token: SeDebugPrivilege	1992	OrcusWatchdog.exe
Token: SeDebugPrivilege	1444	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid	Process
2720	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid	Process
2720	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Orcus.exe

pid	Process
2720	Orcus.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exetaskeng.exeOrcus.exeOrcusWatchdog.exe

description	pid	Process	procid_target
PID 2816 wrote to memory of 2720	2816	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe	31
PID 2816 wrote to memory of 2720	2816	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe	31
PID 2816 wrote to memory of 2720	2816	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe	31
PID 2816 wrote to memory of 2720	2816	0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe	31
PID 1104 wrote to memory of 572	1104	taskeng.exe	33
PID 1104 wrote to memory of 572	1104	taskeng.exe	33
PID 1104 wrote to memory of 572	1104	taskeng.exe	33
PID 1104 wrote to memory of 572	1104	taskeng.exe	33
PID 2720 wrote to memory of 1992	2720	Orcus.exe	34
PID 2720 wrote to memory of 1992	2720	Orcus.exe	34
PID 2720 wrote to memory of 1992	2720	Orcus.exe	34
PID 2720 wrote to memory of 1992	2720	Orcus.exe	34
PID 1992 wrote to memory of 1444	1992	OrcusWatchdog.exe	35
PID 1992 wrote to memory of 1444	1992	OrcusWatchdog.exe	35
PID 1992 wrote to memory of 1444	1992	OrcusWatchdog.exe	35
PID 1992 wrote to memory of 1444	1992	OrcusWatchdog.exe	35

C:\Users\Admin\AppData\Local\Temp\0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe
"C:\Users\Admin\AppData\Local\Temp\0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2720
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2720 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2720 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1444

C:\Windows\system32\taskeng.exe
taskeng.exe {4E412682-F117-443A-9704-5598B2F52167} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- 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:572

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
C:\Users\Admin\AppData\Roaming\Orcus\err_028d5aa3082f4fb9914e6557035ef57a.dat

Filesize
1KB

MD5
3148089a6e9dfe5224efd66469baaf21

SHA1
4b1f8578721de6a258abd42d8c55eb37759ad13f

SHA256
891fdf5bbc600ebe77168614d0a002fcd0adee70fe932c8c28fa95b0de5f9079

SHA512
b4bb186389426bf5f00b8d7312f99f7480a8032b6a903ff9271f16b15ef04cfd67c8e136306590a0aa45ac82c548f062f2d789ba3d80658a1963f9ce4226ed98

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

Filesize
917KB

MD5
e9254de10333cf644c4ff9b3bd8fdd13

SHA1
6f8c9d2ca9e445cbbded55dac2253bae29db4d9a

SHA256
0759ad51b7c28177f3f99f055131cc3a6f51fea7cf7908da702c94c075f23bbd

SHA512
5d0373eb8ede5d23c7b7ea9d4cb769c2f127e04e096e0a0eec95bcff938d3cbfb206ab49ac87eff8f2421fb89d570f29c7d238d2437297367cbc02babf197dcb

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
memory/1992-38-0x00000000009D0000-0x00000000009D8000-memory.dmp

Filesize
32KB

Download
memory/2720-26-0x0000000002320000-0x0000000002338000-memory.dmp

Filesize
96KB

Download
memory/2720-22-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-25-0x00000000022D0000-0x000000000231E000-memory.dmp

Filesize
312KB

Download
memory/2720-27-0x00000000024A0000-0x00000000024B0000-memory.dmp

Filesize
64KB

Download
memory/2720-21-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-40-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-19-0x00000000002B0000-0x000000000039A000-memory.dmp

Filesize
936KB

Download
memory/2720-41-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-5-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2816-20-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-7-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/2816-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/2816-4-0x00000000021C0000-0x000000000221C000-memory.dmp

Filesize
368KB

Download
memory/2816-2-0x0000000000300000-0x000000000030E000-memory.dmp

Filesize
56KB

Download
memory/2816-3-0x0000000073CC0000-0x00000000743AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-1-0x0000000000B20000-0x0000000000C0A000-memory.dmp

Filesize
936KB

Download