Overview

overview

10

Static

static

3

5813126bfb...53.exe

windows7-x64

10

5813126bfb...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5813126bfbc9972cb9a420153ab558ded38be4f9d81cd3a8949d127651639353

  • Size

    93KB

  • Sample

    241222-2k34ws1nhj

  • MD5

    a040b2674b9ee3ee48dad159f2176112

  • SHA1

    acf9b9b6d58a5d4b2d93c2a57d79829e0b25291d

  • SHA256

    5813126bfbc9972cb9a420153ab558ded38be4f9d81cd3a8949d127651639353

  • SHA512

    40abc3603cf836cab1e8900a4cf4d8782f4deb16fc7116e651e7a279dc44d53caa08adeba3c298c353461687f6958c1b4a8cb4ce1e9bf7481ae2eebf1b4f2b34

  • SSDEEP

    1536:xkRJOfXuUIUKKp2PRxTytq0boFDAJvbX08wBEyxDHpqGZR5FL/izCrIRe:xOu+U224RItBboVyTX0845xDHX/5FLqU

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

      5813126bfbc9972cb9a420153ab558ded38be4f9d81cd3a8949d127651639353

    • Size

      93KB

    • MD5

      a040b2674b9ee3ee48dad159f2176112

    • SHA1

      acf9b9b6d58a5d4b2d93c2a57d79829e0b25291d

    • SHA256

      5813126bfbc9972cb9a420153ab558ded38be4f9d81cd3a8949d127651639353

    • SHA512

      40abc3603cf836cab1e8900a4cf4d8782f4deb16fc7116e651e7a279dc44d53caa08adeba3c298c353461687f6958c1b4a8cb4ce1e9bf7481ae2eebf1b4f2b34

    • SSDEEP

      1536:xkRJOfXuUIUKKp2PRxTytq0boFDAJvbX08wBEyxDHpqGZR5FL/izCrIRe:xOu+U224RItBboVyTX0845xDHX/5FLqU

    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