Overview

overview

10

Static

static

3

3e8e1f0c66...4N.exe

windows7-x64

10

3e8e1f0c66...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3e8e1f0c6640d7c260bd5b7f95a3133c64d5082622b1223f42e61f8f0cc83f64N.exe

  • Size

    159KB

  • Sample

    241208-ewtchaslgw

  • MD5

    06f5ae3a3b90d013095f335dba47fa20

  • SHA1

    79c497b287af8d2f345e6705c0e63459c71150e2

  • SHA256

    3e8e1f0c6640d7c260bd5b7f95a3133c64d5082622b1223f42e61f8f0cc83f64

  • SHA512

    6680a9de6e666fa1a6c96630e9bd0a812ed64c45bbbdc8fed69b79fa734189c8129cdcbc56f1abd37c1ba66d66a94d5c2e08a70863520677f16065ad6e924417

  • SSDEEP

    3072:lGrEbET+5F+/+7F9XWkTbwf1nFzwSAJB8FgBY5nd/M9dA:ljVAi9g1n6xJmPM9dA

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

      3e8e1f0c6640d7c260bd5b7f95a3133c64d5082622b1223f42e61f8f0cc83f64N.exe

    • Size

      159KB

    • MD5

      06f5ae3a3b90d013095f335dba47fa20

    • SHA1

      79c497b287af8d2f345e6705c0e63459c71150e2

    • SHA256

      3e8e1f0c6640d7c260bd5b7f95a3133c64d5082622b1223f42e61f8f0cc83f64

    • SHA512

      6680a9de6e666fa1a6c96630e9bd0a812ed64c45bbbdc8fed69b79fa734189c8129cdcbc56f1abd37c1ba66d66a94d5c2e08a70863520677f16065ad6e924417

    • SSDEEP

      3072:lGrEbET+5F+/+7F9XWkTbwf1nFzwSAJB8FgBY5nd/M9dA:ljVAi9g1n6xJmPM9dA

    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