orcus | cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 01:12

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General

Target

cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe
Size

2.9MB
MD5

dfa12bbae33326f1951669ca8824a0f2
SHA1

df53d09eaac877c8fd5e35a9018e82115f8345de
SHA256

cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6
SHA512

e4481ec1350ae562b451b4ae1eecb63abc26e2d3931020087c336f7f0af407a1e13d7cf5923ea3c098d98d57a72829908f72abea4166debe6b3def605c2801fe
SSDEEP

49152:HRConuvKFmwLGZeM9/dFQMDjjzKCkElU+fPONM6WAypQxb1o9JnCmJWncFf0I74v:HECFmwLvEeMDjnpHfP56xypSb1o9JCm

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

78.101.85.87:4444

Mutex

60135b6dfbf44e2f92e94735fb4edfd6

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

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/3740-1-0x000001B1A1CF0000-0x000001B1A1FE8000-memory.dmp	orcus
behavioral2/files/0x000700000002348e-13.dat	orcus

Checks computer location settings 2 TTPs 1 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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe

Executes dropped EXE 1 IoCs

pid	Process
5108	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\Orcus.exe.config	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe
File created	C:\Program Files\Orcus\Orcus.exe	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 5108	3740	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe	83
PID 3740 wrote to memory of 5108	3740	cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe	83

C:\Users\Admin\AppData\Local\Temp\cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe
"C:\Users\Admin\AppData\Local\Temp\cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:5108

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
2.9MB

MD5
dfa12bbae33326f1951669ca8824a0f2

SHA1
df53d09eaac877c8fd5e35a9018e82115f8345de

SHA256
cd0ea05de0286ae3dbe5727334551d8569c581bc4037a452482c107e2cc2d4d6

SHA512
e4481ec1350ae562b451b4ae1eecb63abc26e2d3931020087c336f7f0af407a1e13d7cf5923ea3c098d98d57a72829908f72abea4166debe6b3def605c2801fe

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

Filesize
349B

MD5
89817519e9e0b4e703f07e8c55247861

SHA1
4636de1f6c997a25c3190f73f46a3fd056238d78

SHA256
f40dfaa50dcbff93611d45607009158f798e9cd845170939b1d6088a7d10ee13

SHA512
b017cb7a522b9c6794f3691cb7266ec82f565a90d7d07cc9beb53b939d2e9bf34275bc25f6f32d9a9c7136a0aab2189d9556af7244450c610d11ed7a4f584ba3

Download Submit
memory/3740-23-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download
memory/3740-1-0x000001B1A1CF0000-0x000001B1A1FE8000-memory.dmp

Filesize
3.0MB

Download
memory/3740-3-0x000001B1A2390000-0x000001B1A239E000-memory.dmp

Filesize
56KB

Download
memory/3740-2-0x000001B1A3C40000-0x000001B1A3C9C000-memory.dmp

Filesize
368KB

Download
memory/3740-4-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download
memory/3740-5-0x000001B1A2450000-0x000001B1A2462000-memory.dmp

Filesize
72KB

Download
memory/3740-0-0x00007FFAA29F3000-0x00007FFAA29F5000-memory.dmp

Filesize
8KB

Download
memory/5108-22-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download
memory/5108-24-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download
memory/5108-25-0x00000217A2560000-0x00000217A2572000-memory.dmp

Filesize
72KB

Download
memory/5108-26-0x00000217BC550000-0x00000217BC568000-memory.dmp

Filesize
96KB

Download
memory/5108-27-0x00000217BC570000-0x00000217BC580000-memory.dmp

Filesize
64KB

Download
memory/5108-28-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download
memory/5108-29-0x00007FFAA29F0000-0x00007FFAA34B1000-memory.dmp

Filesize
10.8MB

Download