berbew | 236665131a94527353dae973f85748d4f78fbad2a1e3e9efc771622f65f8ed21 | Triage

Sharing

General

Target

236665131a94527353dae973f85748d4f78fbad2a1e3e9efc771622f65f8ed21N.exe
Size

520KB
Sample

241207-z8d4katrex
MD5

e079b1f08e1a743d17a55b8dddc76e00
SHA1

1d60144e0c0c71f356de0b13b019b07e6d68085e
SHA256

236665131a94527353dae973f85748d4f78fbad2a1e3e9efc771622f65f8ed21
SHA512

1baabff3fb6d0ba4727c0cb0311f0272c08e13bd197a3192292ec2709f4a721af78a7a11cd9ab309f070b680bde2d0eddc64fc87e0eb72b17ec84c94bd30e1a9
SSDEEP

6144:CE90dPWPyFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8Jcg6:CO0lFFB24lwR45FB24lJ87g7/VycgEH

Score

10^/10

berbew backdoor discovery persistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

- Target
  
  236665131a94527353dae973f85748d4f78fbad2a1e3e9efc771622f65f8ed21N.exe
- Size
  
  520KB
- MD5
  
  e079b1f08e1a743d17a55b8dddc76e00
- SHA1
  
  1d60144e0c0c71f356de0b13b019b07e6d68085e
- SHA256
  
  236665131a94527353dae973f85748d4f78fbad2a1e3e9efc771622f65f8ed21
- SHA512
  
  1baabff3fb6d0ba4727c0cb0311f0272c08e13bd197a3192292ec2709f4a721af78a7a11cd9ab309f070b680bde2d0eddc64fc87e0eb72b17ec84c94bd30e1a9
- SSDEEP
  
  6144:CE90dPWPyFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8Jcg6:CO0lFFB24lwR45FB24lJ87g7/VycgEH
Score

10^/10

berbew backdoor discovery persistence
- Adds autorun key to be loaded by Explorer.exe on startup
  persistence
- Berbew
  Berbew is a backdoor written in C++.
  backdoor berbew
- Berbew family
  berbew
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

berbewbackdoordiscoverypersistence

behavioral2

berbewbackdoordiscoverypersistence