Overview

overview

10

Static

static

3

21f4d2556a...65.exe

windows7-x64

10

21f4d2556a...65.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21f4d2556a8addefe50c77ed1f272b87a98464837962c3e8f59493bb2aa64a65

  • Size

    322KB

  • Sample

    241222-zarl1axrdy

  • MD5

    c7b1e1d2d55da07d3322139439e6b62d

  • SHA1

    8a07983a384565334d094e098e0385f4262a2ab0

  • SHA256

    21f4d2556a8addefe50c77ed1f272b87a98464837962c3e8f59493bb2aa64a65

  • SHA512

    2e78d29268031e076b60afd5343c16d4340e34d35502d922ed8d1360f9432bc000583e889e06a6983c2b8516a177b2d92f875d44df2a78aacea6280aa333d8bf

  • SSDEEP

    1536:Kiq+pDU8KNiqrt+ttv/51DlhZlgUMRQB5TmDhdF+PhJFTq1dlCsTx4LBp:KiPU8QrGvx1pOFejSVGZ3Odl2

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

      21f4d2556a8addefe50c77ed1f272b87a98464837962c3e8f59493bb2aa64a65

    • Size

      322KB

    • MD5

      c7b1e1d2d55da07d3322139439e6b62d

    • SHA1

      8a07983a384565334d094e098e0385f4262a2ab0

    • SHA256

      21f4d2556a8addefe50c77ed1f272b87a98464837962c3e8f59493bb2aa64a65

    • SHA512

      2e78d29268031e076b60afd5343c16d4340e34d35502d922ed8d1360f9432bc000583e889e06a6983c2b8516a177b2d92f875d44df2a78aacea6280aa333d8bf

    • SSDEEP

      1536:Kiq+pDU8KNiqrt+ttv/51DlhZlgUMRQB5TmDhdF+PhJFTq1dlCsTx4LBp:KiPU8QrGvx1pOFejSVGZ3Odl2

    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