berbew | 2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8d | Triage

Sharing

General

Target

2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8dN.exe
Size

240KB
Sample

241225-wgfars1kfz
MD5

f8823f846939dc96e4211f1eac0b0710
SHA1

e755ba9f1c989dd2d48b6e15723af41f82b03109
SHA256

2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8d
SHA512

8588d60f88fdb857d14bb8a64d7d61a82b6199e4e8f85df0e91c163955705f672a2a267ea521611a18c3efafa28380a9cfe3550a57d8ce32cfc6f245ab66ebd9
SSDEEP

6144:8G0uxJcoRonGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:d0YcoRiGyXu1jGG1wsGeBgRTGA

Score

10^/10

berbew backdoor discovery persistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

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

Targets

- Target
  
  2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8dN.exe
- Size
  
  240KB
- MD5
  
  f8823f846939dc96e4211f1eac0b0710
- SHA1
  
  e755ba9f1c989dd2d48b6e15723af41f82b03109
- SHA256
  
  2f2653f4a4926932cdce642d582e4e29bb51f9420892e26f2f756b1e22577d8d
- SHA512
  
  8588d60f88fdb857d14bb8a64d7d61a82b6199e4e8f85df0e91c163955705f672a2a267ea521611a18c3efafa28380a9cfe3550a57d8ce32cfc6f245ab66ebd9
- SSDEEP
  
  6144:8G0uxJcoRonGyZ6YugQdjGG1wsKm6eBgdQbkoKTBEA:d0YcoRiGyXu1jGG1wsGeBgRTGA
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