Overview

overview

10

Static

static

3

b1b28e9db9...bN.exe

windows7-x64

10

b1b28e9db9...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b1b28e9db939bccb78bbd24cbf3050431d288514f51c93671a8fac234bd17e2bN.exe

  • Size

    97KB

  • Sample

    241207-2r6hlayjdx

  • MD5

    5e053bf6b1c15452605002c5414b9ff0

  • SHA1

    d2df6db673d4490375588f2940d15d471fbaefea

  • SHA256

    b1b28e9db939bccb78bbd24cbf3050431d288514f51c93671a8fac234bd17e2b

  • SHA512

    914469b5d2c45ed35ff01d84958695adb84623d36188d4e8aba5c0aca8d09128f071908c5fde41ba17e148d7f8bb48492e0a3d92f61b642540f8af41312f7fc1

  • SSDEEP

    1536:koOUZib9MFaRHvYP8Uj+X2DVh6CGI4uq98AybfB6MHgex+Plw4OovJXeYZ6:wl5xUjS5CGfuq98ltUrPlzOwJXeK6

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

      b1b28e9db939bccb78bbd24cbf3050431d288514f51c93671a8fac234bd17e2bN.exe

    • Size

      97KB

    • MD5

      5e053bf6b1c15452605002c5414b9ff0

    • SHA1

      d2df6db673d4490375588f2940d15d471fbaefea

    • SHA256

      b1b28e9db939bccb78bbd24cbf3050431d288514f51c93671a8fac234bd17e2b

    • SHA512

      914469b5d2c45ed35ff01d84958695adb84623d36188d4e8aba5c0aca8d09128f071908c5fde41ba17e148d7f8bb48492e0a3d92f61b642540f8af41312f7fc1

    • SSDEEP

      1536:koOUZib9MFaRHvYP8Uj+X2DVh6CGI4uq98AybfB6MHgex+Plw4OovJXeYZ6:wl5xUjS5CGfuq98ltUrPlzOwJXeK6

    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