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Overview

overview

10

Static

static

3

21a0915750...11.exe

windows7-x64

10

21a0915750...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21a0915750e05b18443f82df86958e3a951f59d1c4932a9595220f78603aeb11

  • Size

    128KB

  • Sample

    241222-y94vyayler

  • MD5

    ee42b9c07873af4c78c4ff99136f34a7

  • SHA1

    08b59c1cdcd609fb3cf7dc87d9f956d3a5c388ad

  • SHA256

    21a0915750e05b18443f82df86958e3a951f59d1c4932a9595220f78603aeb11

  • SHA512

    b361e3f5b1bc0796aeb64559a519eca8086211f00032a52f06dd05d210471bbcf2d858178304c37c559f612de681f7c1f7cdce8bca207211f15fe0fd6fafb1bb

  • SSDEEP

    3072:bbDrGcQDdQeSBJqoMHWipPEOyPxMeEvPOdgujv6NLPfFFrKP9:bbDrGcQtwcoMHWiJyJML3OdgawrFZKP

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

      21a0915750e05b18443f82df86958e3a951f59d1c4932a9595220f78603aeb11

    • Size

      128KB

    • MD5

      ee42b9c07873af4c78c4ff99136f34a7

    • SHA1

      08b59c1cdcd609fb3cf7dc87d9f956d3a5c388ad

    • SHA256

      21a0915750e05b18443f82df86958e3a951f59d1c4932a9595220f78603aeb11

    • SHA512

      b361e3f5b1bc0796aeb64559a519eca8086211f00032a52f06dd05d210471bbcf2d858178304c37c559f612de681f7c1f7cdce8bca207211f15fe0fd6fafb1bb

    • SSDEEP

      3072:bbDrGcQDdQeSBJqoMHWipPEOyPxMeEvPOdgujv6NLPfFFrKP9:bbDrGcQtwcoMHWiJyJML3OdgawrFZKP

    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