bruteratel | c6c697d658dd221f27a8d58e79a478646877ac6afcf0cbe2ce919862f3889c6b

Analysis

max time kernel
273s
max time network
275s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2024 20:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

mw_ArPotEx64.dll
Size

724KB
MD5

12d56ac4ed9cadb4f6f54c7bd7fdfeb6
SHA1

c3439bcb0ee6d1bda33ef15a3d1d040c331e77d5
SHA256

c6c697d658dd221f27a8d58e79a478646877ac6afcf0cbe2ce919862f3889c6b
SHA512

1a6737f4977b2a0e94498edda635cb09d1ea63ee0072fedec16f1227d99d602298e60d091fd958494b4a6b7730f8c11c670c1164ac57a8c7e7aeb98deb3390b0
SSDEEP

12288:+h/M5nsxW5fFcrGn7Q21Svj07MGpmeSM6C4LWYv1AoMVPPynuJskZVjSKUCWnkoD:+rr+VPPnJs3KUCWkC3r

Score

10^/10

bruteratel backdoor discovery

Malware Config

Signatures

Brute Ratel C4
A customized command and control framework for red teaming and adversary simulation.
backdoor bruteratel
Bruteratel family
bruteratel

Detect BruteRatel badger 1 IoCs

resource	yara_rule
behavioral2/memory/3996-1-0x000001B004E90000-0x000001B004ECE000-memory.dmp	family_bruteratel

Blocklisted process makes network request 10 IoCs

flow	pid	Process
26	3996	rundll32.exe
27	3996	rundll32.exe
48	3996	rundll32.exe
49	3996	rundll32.exe
79	3996	rundll32.exe
80	3996	rundll32.exe
92	3996	rundll32.exe
107	3996	rundll32.exe
108	3996	rundll32.exe
110	3996	rundll32.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe
3996	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 3996	2020	rundll32.exe	84
PID 2020 wrote to memory of 3996	2020	rundll32.exe	84

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\mw_ArPotEx64.dll,AXA
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\system32\rundll32.exe
  C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\mw_ArPotEx64.dll,AXA
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  PID:3996

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3996-0-0x000001B004E90000-0x000001B004ECE000-memory.dmp

Filesize
248KB

Download
memory/3996-1-0x000001B004E90000-0x000001B004ECE000-memory.dmp

Filesize
248KB

Download
memory/3996-2-0x000001B006680000-0x000001B0066CC000-memory.dmp

Filesize
304KB

Download
memory/3996-13-0x000001B006680000-0x000001B0066CC000-memory.dmp

Filesize
304KB

Download