Overview

overview

10

Static

static

3

a5867a8e9c...6c.exe

windows7-x64

10

a5867a8e9c...6c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a5867a8e9c395b9e9e924ceba909e37c215a1c6f6baf5bc92ad7702fa8abbf6c

  • Size

    576KB

  • Sample

    241014-cenpkszemn

  • MD5

    f6fdded3a064936cbf748e541c462631

  • SHA1

    d4198be877153912027b7db922f1bfc1c3111af1

  • SHA256

    a5867a8e9c395b9e9e924ceba909e37c215a1c6f6baf5bc92ad7702fa8abbf6c

  • SHA512

    f4710f3349c42b202b2416f843a46d2ffa593f59affd79c09e2bf29978c28407f0f13ea004028d5f079de0b60739ffdfa619d936ffe719c6af6e7c615f7f8d97

  • SSDEEP

    12288:WpvrGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSgRDO:W9rGyXsGG1ws5ipX6

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

      a5867a8e9c395b9e9e924ceba909e37c215a1c6f6baf5bc92ad7702fa8abbf6c

    • Size

      576KB

    • MD5

      f6fdded3a064936cbf748e541c462631

    • SHA1

      d4198be877153912027b7db922f1bfc1c3111af1

    • SHA256

      a5867a8e9c395b9e9e924ceba909e37c215a1c6f6baf5bc92ad7702fa8abbf6c

    • SHA512

      f4710f3349c42b202b2416f843a46d2ffa593f59affd79c09e2bf29978c28407f0f13ea004028d5f079de0b60739ffdfa619d936ffe719c6af6e7c615f7f8d97

    • SSDEEP

      12288:WpvrGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgSgRDO:W9rGyXsGG1ws5ipX6

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks