Overview

overview

10

Static

static

3

7cb61d4ec5...0a.exe

windows7-x64

10

7cb61d4ec5...0a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7cb61d4ec55ea2f2adfa9c4ff40d49793254f175a72eb6250ea0d4cb2bf3090a

  • Size

    93KB

  • Sample

    241223-abwvnsskdy

  • MD5

    422c16cf529768e26a3551d06c6e2171

  • SHA1

    bb34a0b15c2d19fd23b50d234aabf7e62effa0ba

  • SHA256

    7cb61d4ec55ea2f2adfa9c4ff40d49793254f175a72eb6250ea0d4cb2bf3090a

  • SHA512

    f7b9cba8c271d5177202d4db4743fe3323af5f6a206409d03a089b957d418ff0d2769ca799704d3781c00e82cbf574e2378f5efafcc79c0fda81868365103f60

  • SSDEEP

    1536:hqCBkb/xvlDCfMEoEDNGbsRYcJ2cueAcTd2wTggjiwg58w:JB+/xvFCfoEDNGmYe2c+62wbY58w

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

      7cb61d4ec55ea2f2adfa9c4ff40d49793254f175a72eb6250ea0d4cb2bf3090a

    • Size

      93KB

    • MD5

      422c16cf529768e26a3551d06c6e2171

    • SHA1

      bb34a0b15c2d19fd23b50d234aabf7e62effa0ba

    • SHA256

      7cb61d4ec55ea2f2adfa9c4ff40d49793254f175a72eb6250ea0d4cb2bf3090a

    • SHA512

      f7b9cba8c271d5177202d4db4743fe3323af5f6a206409d03a089b957d418ff0d2769ca799704d3781c00e82cbf574e2378f5efafcc79c0fda81868365103f60

    • SSDEEP

      1536:hqCBkb/xvlDCfMEoEDNGbsRYcJ2cueAcTd2wTggjiwg58w:JB+/xvFCfoEDNGmYe2c+62wbY58w

    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