Overview

overview

10

Static

static

3

7ec88f7479...bf.exe

windows7-x64

10

7ec88f7479...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7ec88f74795f4882a98dd5211e2f729680bc2b926565df50b58be8f8aa888dbf

  • Size

    347KB

  • Sample

    241004-3ynf2atcmn

  • MD5

    b8b1f7b8d2b0b7ebadb5c015f2138b8a

  • SHA1

    122754d5de7262cdacf5c24799702dbb6fa39298

  • SHA256

    7ec88f74795f4882a98dd5211e2f729680bc2b926565df50b58be8f8aa888dbf

  • SHA512

    a66082fde8c0588bf26d28883fd784eeedbdca837c1b4369c8618dd9b999f4c5d3d6691471bd412f4e94bc3beb791f0d7b8b3b30c47b56eb0cee75f21a3c20a2

  • SSDEEP

    6144:GLeQy355wx4brq2Ah1FM6234lKm3mo8Yvi4KsLTFM6234lKm3qk9:GLZx4brRGFB24lwR45FB24lEk

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      7ec88f74795f4882a98dd5211e2f729680bc2b926565df50b58be8f8aa888dbf

    • Size

      347KB

    • MD5

      b8b1f7b8d2b0b7ebadb5c015f2138b8a

    • SHA1

      122754d5de7262cdacf5c24799702dbb6fa39298

    • SHA256

      7ec88f74795f4882a98dd5211e2f729680bc2b926565df50b58be8f8aa888dbf

    • SHA512

      a66082fde8c0588bf26d28883fd784eeedbdca837c1b4369c8618dd9b999f4c5d3d6691471bd412f4e94bc3beb791f0d7b8b3b30c47b56eb0cee75f21a3c20a2

    • SSDEEP

      6144:GLeQy355wx4brq2Ah1FM6234lKm3mo8Yvi4KsLTFM6234lKm3qk9:GLZx4brRGFB24lwR45FB24lEk

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks