Overview

overview

10

Static

static

3

aa2a335ae1...8e.exe

windows7-x64

10

aa2a335ae1...8e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aa2a335ae1c196b33bc0b9a9fb27c0492ac883583086a67e7f10cd52cd79458e

  • Size

    66KB

  • Sample

    250306-krt15atyez

  • MD5

    37f6d50b4505ac45568465a7e2fb836a

  • SHA1

    21fa4a6eacb17ffef5ef48bbfd20012428443a53

  • SHA256

    aa2a335ae1c196b33bc0b9a9fb27c0492ac883583086a67e7f10cd52cd79458e

  • SHA512

    d5ad7323a6a197b476d8f5c4d065792a8ad03bcd16693b89990b73f8f851bbb283588c3ea6e67b3acc8605902b739c3a2dc4f9ff90ea161c93bff4a628c7f460

  • SSDEEP

    1536:xSkuVg1r2O+Bui4TuDYXmujEWq+HYRQER:QkHp2O+BNDbuAWnYeE

Score
10/10
berbewbackdoordiscoverypersistence

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

      aa2a335ae1c196b33bc0b9a9fb27c0492ac883583086a67e7f10cd52cd79458e

    • Size

      66KB

    • MD5

      37f6d50b4505ac45568465a7e2fb836a

    • SHA1

      21fa4a6eacb17ffef5ef48bbfd20012428443a53

    • SHA256

      aa2a335ae1c196b33bc0b9a9fb27c0492ac883583086a67e7f10cd52cd79458e

    • SHA512

      d5ad7323a6a197b476d8f5c4d065792a8ad03bcd16693b89990b73f8f851bbb283588c3ea6e67b3acc8605902b739c3a2dc4f9ff90ea161c93bff4a628c7f460

    • SSDEEP

      1536:xSkuVg1r2O+Bui4TuDYXmujEWq+HYRQER:QkHp2O+BNDbuAWnYeE

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks