Overview

overview

10

Static

static

3

1691d3bb2a...a5.exe

windows7-x64

10

1691d3bb2a...a5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1691d3bb2ae7b53f1dbc4896a720ce88033e715d961ba1a0ef8ee714f119c9a5

  • Size

    89KB

  • Sample

    241123-ypbnnazmck

  • MD5

    f8df7ccefd9f2d724b77d66c127b9fb4

  • SHA1

    eea6d49f5be86d93271f3cc4b9d5dabea849d5ea

  • SHA256

    1691d3bb2ae7b53f1dbc4896a720ce88033e715d961ba1a0ef8ee714f119c9a5

  • SHA512

    8d0d27efcdb49628de55a694bcc83bcba370cbc2f62d0e1476b3d8d676a88a2b697f0a3f41350046223a885d674f62fa08387f1b1d4a0d4965c2478885908150

  • SSDEEP

    1536:i3lBv+PyXhENgOqPMQ7T00I0WspG1WcS9Hn8lSlmbIczSlExkg8Fk:uv+PAcQhv00I9JS9H8lSl+IcGlakgwk

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

      1691d3bb2ae7b53f1dbc4896a720ce88033e715d961ba1a0ef8ee714f119c9a5

    • Size

      89KB

    • MD5

      f8df7ccefd9f2d724b77d66c127b9fb4

    • SHA1

      eea6d49f5be86d93271f3cc4b9d5dabea849d5ea

    • SHA256

      1691d3bb2ae7b53f1dbc4896a720ce88033e715d961ba1a0ef8ee714f119c9a5

    • SHA512

      8d0d27efcdb49628de55a694bcc83bcba370cbc2f62d0e1476b3d8d676a88a2b697f0a3f41350046223a885d674f62fa08387f1b1d4a0d4965c2478885908150

    • SSDEEP

      1536:i3lBv+PyXhENgOqPMQ7T00I0WspG1WcS9Hn8lSlmbIczSlExkg8Fk:uv+PAcQhv00I9JS9H8lSl+IcGlakgwk

    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