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Overview

overview

10

Static

static

3

181b53ff25...e5.exe

windows7-x64

10

181b53ff25...e5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    181b53ff25af07944175f5542421f8d1df0b20b70b5831076a80cdb7af650ce5.exe

  • Size

    896KB

  • Sample

    250217-cbl2kswldq

  • MD5

    c9224f1083b70a24044f078b05783241

  • SHA1

    7ee6e11a6dae4bd432c8ef6f093a3dd695a3dad0

  • SHA256

    181b53ff25af07944175f5542421f8d1df0b20b70b5831076a80cdb7af650ce5

  • SHA512

    ec27dffe9e2486da217d25bcbc941f316ef6c7685c3c48033d9005bf9e6aa87bc79d62532c4f8110beaa1d3a0cf18ed925bdfd3fdc5da8ea806c983d1d2cd894

  • SSDEEP

    12288:d747zG8ByvNv54B9f01ZmqLonfBHLqF1Nw5ILonfByvNv5HV:2ovr4B9f01ZmoENOVvr1

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

      181b53ff25af07944175f5542421f8d1df0b20b70b5831076a80cdb7af650ce5.exe

    • Size

      896KB

    • MD5

      c9224f1083b70a24044f078b05783241

    • SHA1

      7ee6e11a6dae4bd432c8ef6f093a3dd695a3dad0

    • SHA256

      181b53ff25af07944175f5542421f8d1df0b20b70b5831076a80cdb7af650ce5

    • SHA512

      ec27dffe9e2486da217d25bcbc941f316ef6c7685c3c48033d9005bf9e6aa87bc79d62532c4f8110beaa1d3a0cf18ed925bdfd3fdc5da8ea806c983d1d2cd894

    • SSDEEP

      12288:d747zG8ByvNv54B9f01ZmqLonfBHLqF1Nw5ILonfByvNv5HV:2ovr4B9f01ZmoENOVvr1

    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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks