Overview

overview

10

Static

static

10

55500b1b5c...44.exe

windows7-x64

10

55500b1b5c...44.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    55500b1b5c6c84b793b66141cffdcc63a12f7a91725e70cbe7ca155d4704cf44

  • Size

    400KB

  • Sample

    241224-18mw5syqhr

  • MD5

    b3235dcc9a6f867307c1e4b75ddf85e0

  • SHA1

    929cded6227d775e9faf7739e14de359147bc60f

  • SHA256

    55500b1b5c6c84b793b66141cffdcc63a12f7a91725e70cbe7ca155d4704cf44

  • SHA512

    c0700f776452661440a3c7d0ad46134e719426b9d6c3085332bc54b58b0b689981e98f226ed401f34a1eca49271b40d12afc073a6f280bbb8759dc034060385d

  • SSDEEP

    12288:p4NdckU/+zrWAI5KFum/+zrWAIAqWim/k:ObUm0BmmvFimc

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

      55500b1b5c6c84b793b66141cffdcc63a12f7a91725e70cbe7ca155d4704cf44

    • Size

      400KB

    • MD5

      b3235dcc9a6f867307c1e4b75ddf85e0

    • SHA1

      929cded6227d775e9faf7739e14de359147bc60f

    • SHA256

      55500b1b5c6c84b793b66141cffdcc63a12f7a91725e70cbe7ca155d4704cf44

    • SHA512

      c0700f776452661440a3c7d0ad46134e719426b9d6c3085332bc54b58b0b689981e98f226ed401f34a1eca49271b40d12afc073a6f280bbb8759dc034060385d

    • SSDEEP

      12288:p4NdckU/+zrWAI5KFum/+zrWAIAqWim/k:ObUm0BmmvFimc

    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