orcus | 75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 01:01

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General

Target

75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
Size

914KB
MD5

8f4a262076a343c306b3e45a01c0a532
SHA1

ffd57f1068cf5f7acb5f359b5e1a947ab04ab186
SHA256

75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1
SHA512

4fae8619281c39c729ce787536a3013377b74005d299666ec615e125be28c2505721d7a33c802c07a461f3e76180c7eac99c46c608818b439eb90f8dbef3ff8e
SSDEEP

24576:vk84MROxnFR3NRirZlI0AilFEvxHi985o:vkPMijirZlI0AilFEvxHi

Score

10^/10

orcus lox rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

lox

8.tcp.ngrok.io:14334

Mutex

97a795082d1b4d009c62ffc5af327057

Attributes

autostart_method
TaskScheduler
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 main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234a3-32.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234a3-32.dat	orcus
behavioral2/memory/1156-44-0x0000000000540000-0x000000000062A000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe

Executes dropped EXE 4 IoCs

pid	Process
1156	Orcus.exe
4828	Orcus.exe
3940	OrcusWatchdog.exe
748	OrcusWatchdog.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
14	8.tcp.ngrok.io
48	8.tcp.ngrok.io
73	8.tcp.ngrok.io

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\Orcus.exe	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
File created	C:\Windows\assembly\Desktop.ini	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.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
1156	Orcus.exe
1156	Orcus.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
748	OrcusWatchdog.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe
1156	Orcus.exe
748	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	Orcus.exe
Token: SeDebugPrivilege	3940	OrcusWatchdog.exe
Token: SeDebugPrivilege	748	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1156	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1156	Orcus.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 2220	5004	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe	88
PID 5004 wrote to memory of 2220	5004	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe	88
PID 2220 wrote to memory of 3284	2220	csc.exe	90
PID 2220 wrote to memory of 3284	2220	csc.exe	90
PID 5004 wrote to memory of 1156	5004	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe	91
PID 5004 wrote to memory of 1156	5004	75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe	91
PID 1156 wrote to memory of 3940	1156	Orcus.exe	93
PID 1156 wrote to memory of 3940	1156	Orcus.exe	93
PID 1156 wrote to memory of 3940	1156	Orcus.exe	93
PID 3940 wrote to memory of 748	3940	OrcusWatchdog.exe	96
PID 3940 wrote to memory of 748	3940	OrcusWatchdog.exe	96
PID 3940 wrote to memory of 748	3940	OrcusWatchdog.exe	96

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\75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe
"C:\Users\Admin\AppData\Local\Temp\75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5004
- 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\jjy1t7bo.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2220
- - 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\RES91F0.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC91EF.tmp"
    3⤵
    PID:3284
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 1156
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 1156
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:748

C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
914KB

MD5
8f4a262076a343c306b3e45a01c0a532

SHA1
ffd57f1068cf5f7acb5f359b5e1a947ab04ab186

SHA256
75af63185c79dbface5db3bebe13b2e457a764b520cf6da9678eb8501c3e61d1

SHA512
4fae8619281c39c729ce787536a3013377b74005d299666ec615e125be28c2505721d7a33c802c07a461f3e76180c7eac99c46c608818b439eb90f8dbef3ff8e

Download Submit
C:\Program Files\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES91F0.tmp

Filesize
1KB

MD5
635c23b6e44228f1252c5c209c7e373a

SHA1
c43deb6357fa8d072e3466ed3cb5ca35fde3e542

SHA256
19bdea42d41f6e29e657786c9649fcb8f11307031f550b2e732bdde6231f8296

SHA512
efae6e97ac76f4d33b4ab979ec8c7ccd26e7f83d0ea1ae89495d81457fb0886a0f7755678231c6e2814e7f2af662954c6692bc450411f27a48bd029723d069fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\jjy1t7bo.dll

Filesize
76KB

MD5
cab962fcc7d401c90d7c1a80aea8a3b2

SHA1
48d20529267c378481e18d6d718096ee58201b65

SHA256
f23a56ef3ad3fae49b08f1cf1dba3b9c60f1b081944e93b5db78ae963c512d15

SHA512
aa94f2ca12ce6de1b8f3437c2c1ee007fbe97df18dafe5d85f989433e4b7c5b2a546e5591b12185bcb6c12f17d3a0fea896ba392e26367c7c0d8af732cbee9a7

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC91EF.tmp

Filesize
676B

MD5
cab9bac283d6acfe0fd8d231e50e0001

SHA1
ab07611d8415562871805062d95ffe5eb0e0d496

SHA256
fe1dd319af0f787b458c4282eb64b1530043c381b9af0bfcaefa36e67b3fe656

SHA512
051c86769c07e9f5702b2698efaca7904201cb58c4663554196daa7641f61fff7bf1a06adc62851ff18ed28997243ba4e008df203164e6bd02a042d5b5e93371

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\jjy1t7bo.0.cs

Filesize
208KB

MD5
0c3ccb198dd0ab1e88fa1fd80b068acf

SHA1
15be26e5bec53c24b05aa3e41745ce6e3865691c

SHA256
efaabd717a0b58f1852c25573f179ff9609549a9eb85a634820cf955ab315512

SHA512
a8c8a51732c0b2f2939075632478f5aef07f52b81a825539e003c6c812c235cd9c8d1769eed238349622c7bd96c8f6daed0010c049f6489b399275f0a4192955

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\jjy1t7bo.cmdline

Filesize
349B

MD5
8e4b7f9d5278d954b226981b2b8977d1

SHA1
a1fcaee86daef2cee836b3dc60356399d8b94ae0

SHA256
1b70273d7a06526bb6f2201255f5e59091f4034dcbbc5330577152672ca89037

SHA512
49bd7db324478dabf7a9fba478d98a8f213cc5e36ea8901747fa09e6d654c10a787439e1caaba67a4fb1043d896caf90074b009eb8f65cf7c62bd6b0e8c0eada

Download Submit
memory/1156-44-0x0000000000540000-0x000000000062A000-memory.dmp

Filesize
936KB

Download
memory/1156-67-0x00007FF8188E3000-0x00007FF8188E5000-memory.dmp

Filesize
8KB

Download
memory/1156-49-0x000000001B8C0000-0x000000001B8D0000-memory.dmp

Filesize
64KB

Download
memory/1156-48-0x000000001B7A0000-0x000000001B7B8000-memory.dmp

Filesize
96KB

Download
memory/1156-46-0x000000001B600000-0x000000001B64E000-memory.dmp

Filesize
312KB

Download
memory/1156-45-0x0000000000F20000-0x0000000000F32000-memory.dmp

Filesize
72KB

Download
memory/1156-42-0x00007FF8188E3000-0x00007FF8188E5000-memory.dmp

Filesize
8KB

Download
memory/2220-16-0x00007FF81BE80000-0x00007FF81C821000-memory.dmp

Filesize
9.6MB

Download
memory/2220-21-0x00007FF81BE80000-0x00007FF81C821000-memory.dmp

Filesize
9.6MB

Download
memory/3940-63-0x0000000000DB0000-0x0000000000DB8000-memory.dmp

Filesize
32KB

Download
memory/5004-23-0x000000001C950000-0x000000001C966000-memory.dmp

Filesize
88KB

Download
memory/5004-43-0x00007FF81BE80000-0x00007FF81C821000-memory.dmp

Filesize
9.6MB

Download
memory/5004-2-0x000000001BC30000-0x000000001BC8C000-memory.dmp

Filesize
368KB

Download
memory/5004-5-0x000000001BE30000-0x000000001BE3E000-memory.dmp

Filesize
56KB

Download
memory/5004-26-0x0000000001540000-0x0000000001548000-memory.dmp

Filesize
32KB

Download
memory/5004-25-0x000000001BB90000-0x000000001BBA2000-memory.dmp

Filesize
72KB

Download
memory/5004-6-0x00007FF81BE80000-0x00007FF81C821000-memory.dmp

Filesize
9.6MB

Download
memory/5004-0-0x00007FF81C135000-0x00007FF81C136000-memory.dmp

Filesize
4KB

Download
memory/5004-1-0x00007FF81BE80000-0x00007FF81C821000-memory.dmp

Filesize
9.6MB

Download
memory/5004-7-0x000000001C310000-0x000000001C7DE000-memory.dmp

Filesize
4.8MB

Download
memory/5004-8-0x000000001C880000-0x000000001C91C000-memory.dmp

Filesize
624KB

Download