Overview

overview

10

Static

static

3

efde581d5e...2e.exe

windows7-x64

10

efde581d5e...2e.exe

windows10-2004-x64

10

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General

  • Target

    efde581d5ea04bd4775e92fbcd46da93eff10c397d6cf4795d500d5e30bf1d2e

  • Size

    89KB

  • Sample

    241225-ywt4kswjey

  • MD5

    df6ddd99c78516e3f79e54bb7b120485

  • SHA1

    d03fdbf8e182c809397dfe408ab7b26494f50b21

  • SHA256

    efde581d5ea04bd4775e92fbcd46da93eff10c397d6cf4795d500d5e30bf1d2e

  • SHA512

    1f9cacadcc008e21fe5a8385ce5a39bfeed5c0b39d47262d2f77b3d339d453d4341e9d70d31bda744a9dd96fcdab2dabee0932011f1084be93549f6d8ddb7b51

  • SSDEEP

    1536:W0wHs+KoOyPks+WH5cb8oMPi0nCCN7rBDRQeD68a+VMKKTRVGFtUhQfR1WRaRORY:bwHsocsj5cQLi0nJdeXr4MKy3G7UEqMR

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

      efde581d5ea04bd4775e92fbcd46da93eff10c397d6cf4795d500d5e30bf1d2e

    • Size

      89KB

    • MD5

      df6ddd99c78516e3f79e54bb7b120485

    • SHA1

      d03fdbf8e182c809397dfe408ab7b26494f50b21

    • SHA256

      efde581d5ea04bd4775e92fbcd46da93eff10c397d6cf4795d500d5e30bf1d2e

    • SHA512

      1f9cacadcc008e21fe5a8385ce5a39bfeed5c0b39d47262d2f77b3d339d453d4341e9d70d31bda744a9dd96fcdab2dabee0932011f1084be93549f6d8ddb7b51

    • SSDEEP

      1536:W0wHs+KoOyPks+WH5cb8oMPi0nCCN7rBDRQeD68a+VMKKTRVGFtUhQfR1WRaRORY:bwHsocsj5cQLi0nJdeXr4MKy3G7UEqMR

    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