bruteratel | f8e3eef1fda5969a7aabcc8fb5cc9f5fe245bbf6cc8e480459977b8e91eab9bd | Triage

Analysis

max time kernel
111s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 11:50

Sharing

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General

Target

apptext.dll
Size

1.6MB
MD5

86b57c9deafed093d4b47b03823b4d14
SHA1

47947da463dd6f4ecf61ae960235a35144e903a8
SHA256

f8e3eef1fda5969a7aabcc8fb5cc9f5fe245bbf6cc8e480459977b8e91eab9bd
SHA512

5f855ed0a3ecf561c45608d7f4579d6e4b1f1953863e97e0b5fea1f33b38d0e03fef16207d88864d2d936a4e65b677cd259ec248dbf06447b50f9e0488acead3
SSDEEP

24576:M7u7nB/DBD9accSqVO9y/QaDC4F3Zuk5UDJjbDE2W4VO8I/nYY:My/DBD9MVO9yosHF395UlbDBw82nB

Score

10^/10

bruteratel backdoor

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

Processes:

resource	yara_rule
behavioral2/memory/884-0-0x000001A3F7750000-0x000001A3F778E000-memory.dmp	family_bruteratel

Blocklisted process makes network request 11 IoCs

Processes:

rundll32.exe

flow	pid	process
15	884	rundll32.exe
18	884	rundll32.exe
20	884	rundll32.exe
29	884	rundll32.exe
31	884	rundll32.exe
33	884	rundll32.exe
35	884	rundll32.exe
37	884	rundll32.exe
57	884	rundll32.exe
60	884	rundll32.exe
66	884	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exe

pid process

884 rundll32.exe
884 rundll32.exe
884 rundll32.exe
884 rundll32.exe
884 rundll32.exe
884 rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\apptext.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:884

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/884-0-0x000001A3F7750000-0x000001A3F778E000-memory.dmp

Filesize
248KB

Download
memory/884-1-0x000001A3F7790000-0x000001A3F77DC000-memory.dmp

Filesize
304KB

Download
memory/884-28-0x000001A3F7790000-0x000001A3F77DC000-memory.dmp

Filesize
304KB

Download