Overview

overview

10

Static

static

3

6f3063a2b5...fN.exe

windows7-x64

10

6f3063a2b5...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6f3063a2b5b677bea2813e8948b1d077182ff9d45d7dc18beb8433a6405fdf7fN.exe

  • Size

    74KB

  • Sample

    241222-mbwwwsvkcp

  • MD5

    b92fe6ada7c47172082d35cd92cf6d20

  • SHA1

    c1e5bcffbb302b15f9b4214527a2cb7e445e21ba

  • SHA256

    6f3063a2b5b677bea2813e8948b1d077182ff9d45d7dc18beb8433a6405fdf7f

  • SHA512

    f2a3136a5909a87f04958f1434db4528304205adca9ef939818f7a5c0eb9bcf42d1d4ccd6c12cec4a5239767c3fd4f3239f92636623653cf2815049a0e16807c

  • SSDEEP

    1536:haPBxh8Fh+wQwD5u6ge5KW6ZivLuOATSvjDV:haP58Fh+wd5u6/5B7vLXV

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

      6f3063a2b5b677bea2813e8948b1d077182ff9d45d7dc18beb8433a6405fdf7fN.exe

    • Size

      74KB

    • MD5

      b92fe6ada7c47172082d35cd92cf6d20

    • SHA1

      c1e5bcffbb302b15f9b4214527a2cb7e445e21ba

    • SHA256

      6f3063a2b5b677bea2813e8948b1d077182ff9d45d7dc18beb8433a6405fdf7f

    • SHA512

      f2a3136a5909a87f04958f1434db4528304205adca9ef939818f7a5c0eb9bcf42d1d4ccd6c12cec4a5239767c3fd4f3239f92636623653cf2815049a0e16807c

    • SSDEEP

      1536:haPBxh8Fh+wQwD5u6ge5KW6ZivLuOATSvjDV:haP58Fh+wd5u6/5B7vLXV

    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