orcus | 26d5dadb8fec5f13b488f0532dbcf4d9cb4331ad1b7e7277ac9331fa39275528

Analysis

max time kernel
0s
max time network
1s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 23:31

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General

Target

Orcus.Administration.exe
Size

16.2MB
MD5

47c82b9e924c42876d6d4e40908888f7
SHA1

b3ef96ff2f1833ffd332c5246e34ebdd47c7e250
SHA256

26d5dadb8fec5f13b488f0532dbcf4d9cb4331ad1b7e7277ac9331fa39275528
SHA512

83f41c85b51df8d80bc2b63f89d497fe979d340607137b7822b80b8da9f5fa3b9e358554ceedb807a29a38828c331a93f1f32569a66065a2b09c5d572764a9c0
SSDEEP

393216:apC4606R60B8vYfZ9DfZ9DSK7SftLaeH+:NJOcPLPte

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-1-0x0000000000240000-0x0000000001280000-memory.dmp	orcus

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2784	2416	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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:

Orcus.Administration.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.Administration.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Orcus.Administration.exe

description	pid	Process	procid_target
PID 2416 wrote to memory of 2784	2416	Orcus.Administration.exe	30
PID 2416 wrote to memory of 2784	2416	Orcus.Administration.exe	30
PID 2416 wrote to memory of 2784	2416	Orcus.Administration.exe	30
PID 2416 wrote to memory of 2784	2416	Orcus.Administration.exe	30

C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 544
  2⤵
  - Program crash
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2416-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

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memory/2416-1-0x0000000000240000-0x0000000001280000-memory.dmp

Filesize
16.2MB

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