Overview

overview

10

Static

static

10

9bb2d9dadd...df.exe

windows7-x64

10

9bb2d9dadd...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9bb2d9dadd9be4877f422a5e1f0a2a60cb61cbd2c18f1681e2557c4469201fdf

  • Size

    192KB

  • Sample

    241223-bn8knstleq

  • MD5

    b525df8ba85c54a7e5d8a0da731bebfa

  • SHA1

    310a1b6bbd3cc66e5b2ca170fe5a163041ca192c

  • SHA256

    9bb2d9dadd9be4877f422a5e1f0a2a60cb61cbd2c18f1681e2557c4469201fdf

  • SHA512

    0258ad6d9d9fe89e884ace86484d9baa1514450cdfd5a8fbbea2fee1cc41fc1522d8440e57f7d097d176efc238c62566c104d1e41d4c767954701aa9e1ccd12b

  • SSDEEP

    3072:zLKZfceTXkpEatEUeFKPD375lHzpa1P2FU6UK7q4+5DbGTO6GQd3JSZO5f7MYaSh:zLKOduIEUeYr75lHzpaF2e6UK+42GTQK

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

      9bb2d9dadd9be4877f422a5e1f0a2a60cb61cbd2c18f1681e2557c4469201fdf

    • Size

      192KB

    • MD5

      b525df8ba85c54a7e5d8a0da731bebfa

    • SHA1

      310a1b6bbd3cc66e5b2ca170fe5a163041ca192c

    • SHA256

      9bb2d9dadd9be4877f422a5e1f0a2a60cb61cbd2c18f1681e2557c4469201fdf

    • SHA512

      0258ad6d9d9fe89e884ace86484d9baa1514450cdfd5a8fbbea2fee1cc41fc1522d8440e57f7d097d176efc238c62566c104d1e41d4c767954701aa9e1ccd12b

    • SSDEEP

      3072:zLKZfceTXkpEatEUeFKPD375lHzpa1P2FU6UK7q4+5DbGTO6GQd3JSZO5f7MYaSh:zLKOduIEUeYr75lHzpaF2e6UK+42GTQK

    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