Overview

overview

10

Static

static

3

1bb741f40b...dc.exe

windows7-x64

10

1bb741f40b...dc.exe

windows10-2004-x64

10

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General

  • Target

    1bb741f40b108e61af2646c64f8f7cbc9cd6d945edf522d930602f6d7fe8d7dc.exe

  • Size

    320KB

  • Sample

    241225-r96wzawjcz

  • MD5

    b98204c933ccdc27e6461372b1804af5

  • SHA1

    9eceedd6023000ac22ccaa02da0e2021546367cb

  • SHA256

    1bb741f40b108e61af2646c64f8f7cbc9cd6d945edf522d930602f6d7fe8d7dc

  • SHA512

    d501562ef3ffbe9077ae68d4603f1032293ac1bb8381a3d9a134ec1e62d76f572bdac8850a80caf1c8f49c5814413e1c0d2772fb70ff351acae078d79762dbad

  • SSDEEP

    6144:K+uzscS8JJJFAeCDtDyB8LoedCFJ369BJ369vpui6yYPaIGckvNP8:K6NPtyWUedCv2EpV6yYPaN0

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

      1bb741f40b108e61af2646c64f8f7cbc9cd6d945edf522d930602f6d7fe8d7dc.exe

    • Size

      320KB

    • MD5

      b98204c933ccdc27e6461372b1804af5

    • SHA1

      9eceedd6023000ac22ccaa02da0e2021546367cb

    • SHA256

      1bb741f40b108e61af2646c64f8f7cbc9cd6d945edf522d930602f6d7fe8d7dc

    • SHA512

      d501562ef3ffbe9077ae68d4603f1032293ac1bb8381a3d9a134ec1e62d76f572bdac8850a80caf1c8f49c5814413e1c0d2772fb70ff351acae078d79762dbad

    • SSDEEP

      6144:K+uzscS8JJJFAeCDtDyB8LoedCFJ369BJ369vpui6yYPaIGckvNP8:K6NPtyWUedCv2EpV6yYPaN0

    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