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Overview

overview

10

Static

static

3

cfb3eb835d...97.exe

windows7-x64

10

cfb3eb835d...97.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cfb3eb835d2d0035759efc397cff4dd9ccbcb658bc69648702eea45e064e2b97

  • Size

    96KB

  • Sample

    250305-l7tkzawscv

  • MD5

    3118b0e77738c3b31454256ee9f8bf36

  • SHA1

    712ad877842a622c780b4791c438cba9d64575cf

  • SHA256

    cfb3eb835d2d0035759efc397cff4dd9ccbcb658bc69648702eea45e064e2b97

  • SHA512

    3e98bca2da5032c922f481ae03f894e1c86611a7296bafaa08ee5f4c98e9513a90ba3a6c00e92404c7f4f2ba678039e9dca16ada63a239397f913e3c6270b483

  • SSDEEP

    1536:G6dpmK+5OfvwTz9X2NMo7sGqzK7onXPawWQjz6zduV9jojTIvjrH:Hp1+UXwQphkK7onf+i6zd69jc0vf

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

      cfb3eb835d2d0035759efc397cff4dd9ccbcb658bc69648702eea45e064e2b97

    • Size

      96KB

    • MD5

      3118b0e77738c3b31454256ee9f8bf36

    • SHA1

      712ad877842a622c780b4791c438cba9d64575cf

    • SHA256

      cfb3eb835d2d0035759efc397cff4dd9ccbcb658bc69648702eea45e064e2b97

    • SHA512

      3e98bca2da5032c922f481ae03f894e1c86611a7296bafaa08ee5f4c98e9513a90ba3a6c00e92404c7f4f2ba678039e9dca16ada63a239397f913e3c6270b483

    • SSDEEP

      1536:G6dpmK+5OfvwTz9X2NMo7sGqzK7onXPawWQjz6zduV9jojTIvjrH:Hp1+UXwQphkK7onf+i6zd69jc0vf

    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