Overview

overview

10

Static

static

3

87b0eb0c17...55.exe

windows7-x64

10

87b0eb0c17...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    87b0eb0c172a6c7366d0600a011184b7fe1e4cb8bcb526109434939857cf3855

  • Size

    93KB

  • Sample

    241225-ajax6s1rcr

  • MD5

    9e16c9eb398cd32a450ca8ab009e2052

  • SHA1

    efb48a3b5e5d6ab763ddb638eac0e10d5916868f

  • SHA256

    87b0eb0c172a6c7366d0600a011184b7fe1e4cb8bcb526109434939857cf3855

  • SHA512

    66a9036c8eb525281e9549bdf53c1287fdb0909a9385dfcce5d1c29d406860471397ac21b41e8fd9c22defb616a6d2fdff25d51dc22aa2601f528e541ac300d1

  • SSDEEP

    1536:BM+lxrcBkwGVei1UyNtFNSW//cxXywWNhBstL55saMiwihtIbbpkp:G+/rOloeivFzcxX8BqL55dMiwaIbbpkp

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

      87b0eb0c172a6c7366d0600a011184b7fe1e4cb8bcb526109434939857cf3855

    • Size

      93KB

    • MD5

      9e16c9eb398cd32a450ca8ab009e2052

    • SHA1

      efb48a3b5e5d6ab763ddb638eac0e10d5916868f

    • SHA256

      87b0eb0c172a6c7366d0600a011184b7fe1e4cb8bcb526109434939857cf3855

    • SHA512

      66a9036c8eb525281e9549bdf53c1287fdb0909a9385dfcce5d1c29d406860471397ac21b41e8fd9c22defb616a6d2fdff25d51dc22aa2601f528e541ac300d1

    • SSDEEP

      1536:BM+lxrcBkwGVei1UyNtFNSW//cxXywWNhBstL55saMiwihtIbbpkp:G+/rOloeivFzcxX8BqL55dMiwaIbbpkp

    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