Overview

overview

10

Static

static

3

4c5f9ec313...7d.exe

windows7-x64

10

4c5f9ec313...7d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c5f9ec31302864dc4417af8fa4530520be609bd9920559aaec45c3049983c7d

  • Size

    93KB

  • Sample

    241123-14z1xayrds

  • MD5

    42b96259f9624381aba46c66bf4185bf

  • SHA1

    2cfcd239ff9084fdca8d6be47fa2bb3b8375872a

  • SHA256

    4c5f9ec31302864dc4417af8fa4530520be609bd9920559aaec45c3049983c7d

  • SHA512

    2b583b311ef21433082a0fc72c0b3cf3a05f2628bd21409a725fffc6a7ff7eb6da459e80df77a330fcf4a7a9c8613832f96c1a874cc6696d1cefc4637d52f7de

  • SSDEEP

    1536:UeOpv5LV6nisuYwejikD0H7Yd91qq+luJfgR0cnxwRVkeyyVr3iwcH2ogHy:Ujl5INwu0H7W1yg5w0cu3kremwc/gHy

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

      4c5f9ec31302864dc4417af8fa4530520be609bd9920559aaec45c3049983c7d

    • Size

      93KB

    • MD5

      42b96259f9624381aba46c66bf4185bf

    • SHA1

      2cfcd239ff9084fdca8d6be47fa2bb3b8375872a

    • SHA256

      4c5f9ec31302864dc4417af8fa4530520be609bd9920559aaec45c3049983c7d

    • SHA512

      2b583b311ef21433082a0fc72c0b3cf3a05f2628bd21409a725fffc6a7ff7eb6da459e80df77a330fcf4a7a9c8613832f96c1a874cc6696d1cefc4637d52f7de

    • SSDEEP

      1536:UeOpv5LV6nisuYwejikD0H7Yd91qq+luJfgR0cnxwRVkeyyVr3iwcH2ogHy:Ujl5INwu0H7W1yg5w0cu3kremwc/gHy

    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