General

  • Target

    Backdoor.Win32.Berbew.pz2b36057cc8dde571145619cb3c6987fa6ebc585d6bbb4313ac004bf6dbe9d15dN

  • Size

    2.5MB

  • Sample

    240916-sbjt8atfnr

  • MD5

    f2a77fa5e6ce13f6847d9c2b7fd90440

  • SHA1

    3495c3239523b3f48f2fe207c9c3ad6b6da07998

  • SHA256

    2b36057cc8dde571145619cb3c6987fa6ebc585d6bbb4313ac004bf6dbe9d15d

  • SHA512

    97dd7c5339eb70c8c4789c597e345498f2462bfba7e31869acf7df968f0e07cb1e91ae63b7de1b3223a30b607fc5b9db5d19e4f72660673ff74b19579f15098a

  • SSDEEP

    12288:GgvfYIkY660JVaw0HBHOehl0oDL/eToo5Li2:KIgdVaw0HBFhWof/0o8

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

      Backdoor.Win32.Berbew.pz2b36057cc8dde571145619cb3c6987fa6ebc585d6bbb4313ac004bf6dbe9d15dN

    • Size

      2.5MB

    • MD5

      f2a77fa5e6ce13f6847d9c2b7fd90440

    • SHA1

      3495c3239523b3f48f2fe207c9c3ad6b6da07998

    • SHA256

      2b36057cc8dde571145619cb3c6987fa6ebc585d6bbb4313ac004bf6dbe9d15d

    • SHA512

      97dd7c5339eb70c8c4789c597e345498f2462bfba7e31869acf7df968f0e07cb1e91ae63b7de1b3223a30b607fc5b9db5d19e4f72660673ff74b19579f15098a

    • SSDEEP

      12288:GgvfYIkY660JVaw0HBHOehl0oDL/eToo5Li2:KIgdVaw0HBFhWof/0o8

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks