Overview

overview

10

Static

static

3

61074b5bc0...dN.exe

windows7-x64

10

61074b5bc0...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61074b5bc04b7d350e68044ed469df6eb42d5ef6c659e32163e30e4bc971869dN

  • Size

    128KB

  • Sample

    241014-x7479ascrb

  • MD5

    d23dfee1e339b99c386ad888745c35d0

  • SHA1

    6c6b01076b18216c909a8a901eb6157dec47157f

  • SHA256

    61074b5bc04b7d350e68044ed469df6eb42d5ef6c659e32163e30e4bc971869d

  • SHA512

    fad1b015e86eb45b667cfd854ed97c4ed6d2a4c44bb7dd1dd3d80b38c68d4995ad7abcc4be7785f5d60f86e7083366955074c7d1493176f7afc3e41ef6b43f86

  • SSDEEP

    3072:xvoTGsysYuFDeUI9cDd1AZoUBW3FJeRuaWNXmgu+tB:x1SYjedWZHEFJ7aWN1B

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

      61074b5bc04b7d350e68044ed469df6eb42d5ef6c659e32163e30e4bc971869dN

    • Size

      128KB

    • MD5

      d23dfee1e339b99c386ad888745c35d0

    • SHA1

      6c6b01076b18216c909a8a901eb6157dec47157f

    • SHA256

      61074b5bc04b7d350e68044ed469df6eb42d5ef6c659e32163e30e4bc971869d

    • SHA512

      fad1b015e86eb45b667cfd854ed97c4ed6d2a4c44bb7dd1dd3d80b38c68d4995ad7abcc4be7785f5d60f86e7083366955074c7d1493176f7afc3e41ef6b43f86

    • SSDEEP

      3072:xvoTGsysYuFDeUI9cDd1AZoUBW3FJeRuaWNXmgu+tB:x1SYjedWZHEFJ7aWN1B

    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