Overview

overview

10

Static

static

10

a9b5ba59ba...eN.exe

windows7-x64

10

a9b5ba59ba...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a9b5ba59ba926755f1a855feef521db5cac1e9ec927c228b31def76af7a9021eN.exe

  • Size

    144KB

  • Sample

    241119-rqjbkaxbjh

  • MD5

    ef89ece3ef752603c3c9660275f476b0

  • SHA1

    4aef13ba335c17b381df1dee6a3e49c0e85e4ab1

  • SHA256

    a9b5ba59ba926755f1a855feef521db5cac1e9ec927c228b31def76af7a9021e

  • SHA512

    2551749f307ff163be371592daa06092f2e54b5c83f2bc0f7b9a8b5c4c7aae0184166c6fdcbca5def9141424f49fd87a8fe0c6fe6e7b34528fbb090d88b6d192

  • SSDEEP

    3072:q/Oj6ZkufoBF5BY0cgtgHq/Wp+YmKfxgQdxvq:apuYoBFPYvgtUmKyIxi

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

      a9b5ba59ba926755f1a855feef521db5cac1e9ec927c228b31def76af7a9021eN.exe

    • Size

      144KB

    • MD5

      ef89ece3ef752603c3c9660275f476b0

    • SHA1

      4aef13ba335c17b381df1dee6a3e49c0e85e4ab1

    • SHA256

      a9b5ba59ba926755f1a855feef521db5cac1e9ec927c228b31def76af7a9021e

    • SHA512

      2551749f307ff163be371592daa06092f2e54b5c83f2bc0f7b9a8b5c4c7aae0184166c6fdcbca5def9141424f49fd87a8fe0c6fe6e7b34528fbb090d88b6d192

    • SSDEEP

      3072:q/Oj6ZkufoBF5BY0cgtgHq/Wp+YmKfxgQdxvq:apuYoBFPYvgtUmKyIxi

    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