Overview

overview

10

Static

static

3

4e9eb64a3f...88.exe

windows7-x64

10

4e9eb64a3f...88.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e9eb64a3f21f62dbf4d14c90136ac0f00f647e764ed7ad0e96234ffbc48ce88.exe

  • Size

    74KB

  • Sample

    241225-ty711aymem

  • MD5

    63ef9d66107f1a59c012f30a02c921cb

  • SHA1

    834c4fb3da1e7619f448ee3c3c7f44665c1ea55f

  • SHA256

    4e9eb64a3f21f62dbf4d14c90136ac0f00f647e764ed7ad0e96234ffbc48ce88

  • SHA512

    b766fdb77ca9713428487f24aa49ba3560fd28f9c30cee99d11ab76a93ebce1d379d8a7eb9a95b255df59289391eeb85b46306a2b8d0d0c959f1c63209469288

  • SSDEEP

    1536:bCM/DQibKbGJD0j71QVg9EzDqkU6tUU9OaeZF1lM:bC2QibKSDMgqk398HM

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

      4e9eb64a3f21f62dbf4d14c90136ac0f00f647e764ed7ad0e96234ffbc48ce88.exe

    • Size

      74KB

    • MD5

      63ef9d66107f1a59c012f30a02c921cb

    • SHA1

      834c4fb3da1e7619f448ee3c3c7f44665c1ea55f

    • SHA256

      4e9eb64a3f21f62dbf4d14c90136ac0f00f647e764ed7ad0e96234ffbc48ce88

    • SHA512

      b766fdb77ca9713428487f24aa49ba3560fd28f9c30cee99d11ab76a93ebce1d379d8a7eb9a95b255df59289391eeb85b46306a2b8d0d0c959f1c63209469288

    • SSDEEP

      1536:bCM/DQibKbGJD0j71QVg9EzDqkU6tUU9OaeZF1lM:bC2QibKSDMgqk398HM

    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