Overview

overview

10

Static

static

10

9f6e4b937c...84.exe

windows7-x64

10

9f6e4b937c...84.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f6e4b937c2a834b6fc0652d2effdbdaafeaf772dc8b70024b70ea9418fd3084

  • Size

    192KB

  • Sample

    241223-bvk3ystkc1

  • MD5

    a196f1af80cc64697e7b22dc704042d0

  • SHA1

    026d2689e0459df225ce2402bd44b658d0e3dcf6

  • SHA256

    9f6e4b937c2a834b6fc0652d2effdbdaafeaf772dc8b70024b70ea9418fd3084

  • SHA512

    94b18eb6851956a020bc7642f2ccd4509fbfab680bd6a816be5ed7bac5a73bfa6b6773ac469f41b2c43af78c4adc34c61dcc501523d1fc608442ed3a90c5556f

  • SSDEEP

    3072:oZqcRI/zcBEthbEBOmOlWDd1AZoUBW3FJeRuaWNXmgu+tAcrbFAJc+RsUi1aVDk5:oZFI/wBEPbEBw0dWZHEFJ7aWN1rtMsP

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

      9f6e4b937c2a834b6fc0652d2effdbdaafeaf772dc8b70024b70ea9418fd3084

    • Size

      192KB

    • MD5

      a196f1af80cc64697e7b22dc704042d0

    • SHA1

      026d2689e0459df225ce2402bd44b658d0e3dcf6

    • SHA256

      9f6e4b937c2a834b6fc0652d2effdbdaafeaf772dc8b70024b70ea9418fd3084

    • SHA512

      94b18eb6851956a020bc7642f2ccd4509fbfab680bd6a816be5ed7bac5a73bfa6b6773ac469f41b2c43af78c4adc34c61dcc501523d1fc608442ed3a90c5556f

    • SSDEEP

      3072:oZqcRI/zcBEthbEBOmOlWDd1AZoUBW3FJeRuaWNXmgu+tAcrbFAJc+RsUi1aVDk5:oZFI/wBEPbEBw0dWZHEFJ7aWN1rtMsP

    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