Overview

overview

10

Static

static

10

0ef28558f4...7e.exe

windows7-x64

10

0ef28558f4...7e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0ef28558f40e7502878d569d6974468e296d8576b79e1b1e8f6f3239fcbebe7e

  • Size

    128KB

  • Sample

    241207-yjdwtszqbt

  • MD5

    af1a1f1dcaa05bc61aefeaa5071b9f5a

  • SHA1

    ed3caabcc7e50582d7a389004ac4b5dfcd1bd4c4

  • SHA256

    0ef28558f40e7502878d569d6974468e296d8576b79e1b1e8f6f3239fcbebe7e

  • SHA512

    cc3ecd16492dab970ec0a91d8e522c2786e233e7bdf07b82c9cd718532d1bb6db0d49ecc48233a05753ac5c45eeceb6c9083443904138b27a05002c0f9b0c8f9

  • SSDEEP

    3072:oS2jkBGOZp+11xdT2NlGbIdRXBmW2wS7IrHrYj:oSsksOZp+11zAcUTxmHwMOHm

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

      0ef28558f40e7502878d569d6974468e296d8576b79e1b1e8f6f3239fcbebe7e

    • Size

      128KB

    • MD5

      af1a1f1dcaa05bc61aefeaa5071b9f5a

    • SHA1

      ed3caabcc7e50582d7a389004ac4b5dfcd1bd4c4

    • SHA256

      0ef28558f40e7502878d569d6974468e296d8576b79e1b1e8f6f3239fcbebe7e

    • SHA512

      cc3ecd16492dab970ec0a91d8e522c2786e233e7bdf07b82c9cd718532d1bb6db0d49ecc48233a05753ac5c45eeceb6c9083443904138b27a05002c0f9b0c8f9

    • SSDEEP

      3072:oS2jkBGOZp+11xdT2NlGbIdRXBmW2wS7IrHrYj:oSsksOZp+11zAcUTxmHwMOHm

    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