orcus | a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273

Analysis

max time kernel
116s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 00:32

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General

Target

a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe
Size

2.4MB
MD5

cc144a1c7ea70734f64c7e12f01225da
SHA1

c505a0ca7d2df3887e929878a07b4deee5a8856b
SHA256

a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273
SHA512

7e7820f90379a18a6f629fb4c152021f1eff1da9a25ee8723e494630a7bba1c7061b2071b558bb0ef90fa076a96f24b13977bc6eaac4f1bc7b1443bde17a8b38
SSDEEP

49152:WUZpaTotR8lX5xVzBs1iUEhdXv1s57SzyLKVFICWSWyYX3rLYFnB:PaTq8PzbTXv2lKVyQeWB

Score

10^/10

orcus warface rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

warface

95.217.141.218:25565

Mutex

d9ad65394c624b9b95453d26cab4c9e1

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
WindowsDefender
taskscheduler_taskname
WindowsDefender
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

Orcurs Rat Executable 1 IoCs

resource	yara_rule
behavioral2/memory/636-2-0x0000000003220000-0x0000000003308000-memory.dmp	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\Orcus.exe	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.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 636 wrote to memory of 4572	636	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe	83
PID 636 wrote to memory of 4572	636	a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe	83

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\a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe
"C:\Users\Admin\AppData\Local\Temp\a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:636
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:4572

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
2.4MB

MD5
cc144a1c7ea70734f64c7e12f01225da

SHA1
c505a0ca7d2df3887e929878a07b4deee5a8856b

SHA256
a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273

SHA512
7e7820f90379a18a6f629fb4c152021f1eff1da9a25ee8723e494630a7bba1c7061b2071b558bb0ef90fa076a96f24b13977bc6eaac4f1bc7b1443bde17a8b38

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/636-22-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download
memory/636-1-0x0000000000EB0000-0x0000000001128000-memory.dmp

Filesize
2.5MB

Download
memory/636-4-0x0000000003320000-0x000000000337C000-memory.dmp

Filesize
368KB

Download
memory/636-5-0x0000000001950000-0x000000000195E000-memory.dmp

Filesize
56KB

Download
memory/636-6-0x0000000003390000-0x00000000033A2000-memory.dmp

Filesize
72KB

Download
memory/636-2-0x0000000003220000-0x0000000003308000-memory.dmp

Filesize
928KB

Download
memory/636-0-0x00007FFA210C3000-0x00007FFA210C5000-memory.dmp

Filesize
8KB

Download
memory/636-3-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download
memory/4572-23-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download
memory/4572-24-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download
memory/4572-25-0x0000000002DD0000-0x0000000002DE2000-memory.dmp

Filesize
72KB

Download
memory/4572-26-0x000000001C590000-0x000000001C5DE000-memory.dmp

Filesize
312KB

Download
memory/4572-27-0x000000001C720000-0x000000001C738000-memory.dmp

Filesize
96KB

Download
memory/4572-28-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download
memory/4572-29-0x000000001B670000-0x000000001B680000-memory.dmp

Filesize
64KB

Download
memory/4572-30-0x00007FFA210C0000-0x00007FFA21B81000-memory.dmp

Filesize
10.8MB

Download