Overview

overview

10

Static

static

10

85137f8a67...5N.exe

windows7-x64

10

85137f8a67...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    85137f8a672706be0a1592dbc1ff48734030cf69ea5e37d0214695540350cc55N

  • Size

    117KB

  • Sample

    240930-rb4nysygkr

  • MD5

    066695bd568e27a2488a4495b283bd00

  • SHA1

    24109a8191dfc6e43c7efc5d1a063b92baa0eafe

  • SHA256

    85137f8a672706be0a1592dbc1ff48734030cf69ea5e37d0214695540350cc55

  • SHA512

    a78b0fc091152f0b56d056c63969b2874d43be684c4ade38bda74c06e9b2d950fa89150b3dfe1c96ab40633d0d31c7f55850d021a7d4999d262aa3093a5e9483

  • SSDEEP

    3072:BJO5v/Bd44i4EdWRR9b/FWZWZFFfUrQlM:vqvD44i4gWRR9b/DZTfMQ

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

      85137f8a672706be0a1592dbc1ff48734030cf69ea5e37d0214695540350cc55N

    • Size

      117KB

    • MD5

      066695bd568e27a2488a4495b283bd00

    • SHA1

      24109a8191dfc6e43c7efc5d1a063b92baa0eafe

    • SHA256

      85137f8a672706be0a1592dbc1ff48734030cf69ea5e37d0214695540350cc55

    • SHA512

      a78b0fc091152f0b56d056c63969b2874d43be684c4ade38bda74c06e9b2d950fa89150b3dfe1c96ab40633d0d31c7f55850d021a7d4999d262aa3093a5e9483

    • SSDEEP

      3072:BJO5v/Bd44i4EdWRR9b/FWZWZFFfUrQlM:vqvD44i4gWRR9b/DZTfMQ

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks