Overview

overview

10

Static

static

3

a7d27e8f00...60.exe

windows7-x64

10

a7d27e8f00...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a7d27e8f008d8e97b9141aecc998121cc4f30f1cc5e02e75e104dde2fb9edf60

  • Size

    90KB

  • Sample

    241123-ckbbfavqa1

  • MD5

    51c8e92d28e6211b315eddd40cc1b6fd

  • SHA1

    5ac437712354f9644b08c382ddb530668c03aae4

  • SHA256

    a7d27e8f008d8e97b9141aecc998121cc4f30f1cc5e02e75e104dde2fb9edf60

  • SHA512

    ca4efc222955197bc4b1e8716fcbe62f2a8156ad99c984042398e780dd1d2573f18d75d9fc8b4570f79d271277edb31d58251ac9f00f5fea1efafd4bb0f43815

  • SSDEEP

    1536:cKz5nOl8imOt7+fpWYRBX8cV9h19JO51DsllB88Xdp4VPkgMkhGeu/Ub0VkVNK:cK5OtCRN7VrJO5RsW8Xdp4VMgMkhGeuj

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

      a7d27e8f008d8e97b9141aecc998121cc4f30f1cc5e02e75e104dde2fb9edf60

    • Size

      90KB

    • MD5

      51c8e92d28e6211b315eddd40cc1b6fd

    • SHA1

      5ac437712354f9644b08c382ddb530668c03aae4

    • SHA256

      a7d27e8f008d8e97b9141aecc998121cc4f30f1cc5e02e75e104dde2fb9edf60

    • SHA512

      ca4efc222955197bc4b1e8716fcbe62f2a8156ad99c984042398e780dd1d2573f18d75d9fc8b4570f79d271277edb31d58251ac9f00f5fea1efafd4bb0f43815

    • SSDEEP

      1536:cKz5nOl8imOt7+fpWYRBX8cV9h19JO51DsllB88Xdp4VPkgMkhGeu/Ub0VkVNK:cK5OtCRN7VrJO5RsW8Xdp4VMgMkhGeuj

    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