Overview

overview

10

Static

static

3

2604f6addb...cN.exe

windows7-x64

10

2604f6addb...cN.exe

windows10-2004-x64

10

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General

  • Target

    2604f6addb87d98e5f82f1d3f0429d30d81711c8b8ead0a8fc6fd9420f9aee7cN

  • Size

    72KB

  • Sample

    241031-bzs95awfjc

  • MD5

    adb109b333b7b9dffd5512ed76857140

  • SHA1

    09f82d3e2f49623afa8117e26ad84f8894706362

  • SHA256

    2604f6addb87d98e5f82f1d3f0429d30d81711c8b8ead0a8fc6fd9420f9aee7c

  • SHA512

    3fb9dc39633d75779af98dfa3ecdcb0045cb530c9641e56fa6e7d6d4ee9b7e282b20cded98667bff494cbf56847a3da248308192fe0674dabcb5a1b1045e0a0b

  • SSDEEP

    1536:K/TQPn/tbr2nW/tw3HQqFgsIsf/cs0wLGR:4c/l0W/uHjl/N0Ki

Score
10/10
berbewbackdoordiscoverypersistence

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

      2604f6addb87d98e5f82f1d3f0429d30d81711c8b8ead0a8fc6fd9420f9aee7cN

    • Size

      72KB

    • MD5

      adb109b333b7b9dffd5512ed76857140

    • SHA1

      09f82d3e2f49623afa8117e26ad84f8894706362

    • SHA256

      2604f6addb87d98e5f82f1d3f0429d30d81711c8b8ead0a8fc6fd9420f9aee7c

    • SHA512

      3fb9dc39633d75779af98dfa3ecdcb0045cb530c9641e56fa6e7d6d4ee9b7e282b20cded98667bff494cbf56847a3da248308192fe0674dabcb5a1b1045e0a0b

    • SSDEEP

      1536:K/TQPn/tbr2nW/tw3HQqFgsIsf/cs0wLGR:4c/l0W/uHjl/N0Ki

    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