Overview

overview

10

Static

static

3

2bd31a9e15...f7.exe

windows7-x64

10

2bd31a9e15...f7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2bd31a9e1525d756b4a35739055cf6a82c6cc0af8438ee6cd86a3553d06ccff7

  • Size

    89KB

  • Sample

    241224-zkf81sxjgw

  • MD5

    c81183c327221f51bc25673025280058

  • SHA1

    25672f7ad6bf23d18af152c180761d23e3c61921

  • SHA256

    2bd31a9e1525d756b4a35739055cf6a82c6cc0af8438ee6cd86a3553d06ccff7

  • SHA512

    39ac2957eaec95f3e1e816b934f12d5183ea57e3b3ca8e42ba30a3c9de2f69e66b38bd16ef9ffd88c54ddd14626de94d5e6265b3fa4dde553a8f8502aa5812ac

  • SSDEEP

    1536:V7uSJPcbTXeKu3XxFG6mMBfqjIXL6LwXUIEXdzbYfbGMSoAyKkt4WcjlExkg8Fk:V7xPcbTXJuH/DmMBfqjIXCwXUlNzbEKI

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

      2bd31a9e1525d756b4a35739055cf6a82c6cc0af8438ee6cd86a3553d06ccff7

    • Size

      89KB

    • MD5

      c81183c327221f51bc25673025280058

    • SHA1

      25672f7ad6bf23d18af152c180761d23e3c61921

    • SHA256

      2bd31a9e1525d756b4a35739055cf6a82c6cc0af8438ee6cd86a3553d06ccff7

    • SHA512

      39ac2957eaec95f3e1e816b934f12d5183ea57e3b3ca8e42ba30a3c9de2f69e66b38bd16ef9ffd88c54ddd14626de94d5e6265b3fa4dde553a8f8502aa5812ac

    • SSDEEP

      1536:V7uSJPcbTXeKu3XxFG6mMBfqjIXL6LwXUIEXdzbYfbGMSoAyKkt4WcjlExkg8Fk:V7xPcbTXJuH/DmMBfqjIXCwXUlNzbEKI

    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