Overview

overview

10

Static

static

3

57b6c15f5b...fN.exe

windows7-x64

10

57b6c15f5b...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    57b6c15f5b0c39ca8e2d4d22ca128b31766f746416aa64ab4c8777f6a744ae5fN.exe

  • Size

    71KB

  • Sample

    241222-mstg4avmet

  • MD5

    a6f9232b79e40743430d8264e4bf16a0

  • SHA1

    772717b17066d17d63cffd345c85044df31e8e86

  • SHA256

    57b6c15f5b0c39ca8e2d4d22ca128b31766f746416aa64ab4c8777f6a744ae5f

  • SHA512

    f4d86749ccba6e21c57e3f87de69d148d5315a38867a454a5621d8b8a72a4abb630720202a42d0932ce267c71091ccca8fa4f23fa03d36f9450278c48ea9895c

  • SSDEEP

    1536:ba+DY0u8WHUE3+56zkNCfK9kRQfK1P+ATTR:/D48WbU6z1K9keSP+A3R

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      57b6c15f5b0c39ca8e2d4d22ca128b31766f746416aa64ab4c8777f6a744ae5fN.exe

    • Size

      71KB

    • MD5

      a6f9232b79e40743430d8264e4bf16a0

    • SHA1

      772717b17066d17d63cffd345c85044df31e8e86

    • SHA256

      57b6c15f5b0c39ca8e2d4d22ca128b31766f746416aa64ab4c8777f6a744ae5f

    • SHA512

      f4d86749ccba6e21c57e3f87de69d148d5315a38867a454a5621d8b8a72a4abb630720202a42d0932ce267c71091ccca8fa4f23fa03d36f9450278c48ea9895c

    • SSDEEP

      1536:ba+DY0u8WHUE3+56zkNCfK9kRQfK1P+ATTR:/D48WbU6z1K9keSP+A3R

    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