Overview

overview

10

Static

static

3

154f834afc...dN.exe

windows7-x64

10

154f834afc...dN.exe

windows10-2004-x64

10

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General

  • Target

    154f834afc6d8f3810bc6b72a9a0a95426d3f657433867deb473f2e49221737dN.exe

  • Size

    94KB

  • Sample

    241208-b2j48s1jfj

  • MD5

    e37454510d3fcc6e1e8f83a3453a0320

  • SHA1

    e4333d7a8e8895db55fe3ee552a6aec3875fc444

  • SHA256

    154f834afc6d8f3810bc6b72a9a0a95426d3f657433867deb473f2e49221737d

  • SHA512

    be02d7697cc567a0676f425d947603ffc87b47909384466346a48de3afea2228a11fc7b6bcd4ca5539f39a45b9dbc2921266301ac4db5e485c3b5ad064de8fb2

  • SSDEEP

    1536:w8Zchvq/088Gwx/fWfNTdyuNf57nBUUJj/YhuRIvmL6nL0Lgh8+q87BR9L4DT2Eb:w8Zchy/0TGwdfWfNRyuNf57BU2SuRIep

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

      154f834afc6d8f3810bc6b72a9a0a95426d3f657433867deb473f2e49221737dN.exe

    • Size

      94KB

    • MD5

      e37454510d3fcc6e1e8f83a3453a0320

    • SHA1

      e4333d7a8e8895db55fe3ee552a6aec3875fc444

    • SHA256

      154f834afc6d8f3810bc6b72a9a0a95426d3f657433867deb473f2e49221737d

    • SHA512

      be02d7697cc567a0676f425d947603ffc87b47909384466346a48de3afea2228a11fc7b6bcd4ca5539f39a45b9dbc2921266301ac4db5e485c3b5ad064de8fb2

    • SSDEEP

      1536:w8Zchvq/088Gwx/fWfNTdyuNf57nBUUJj/YhuRIvmL6nL0Lgh8+q87BR9L4DT2Eb:w8Zchy/0TGwdfWfNRyuNf57BU2SuRIep

    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