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Overview

overview

10

Static

static

3

a04eaa1320...9a.exe

windows7-x64

10

a04eaa1320...9a.exe

windows10-2004-x64

10

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General

  • Target

    a04eaa132048536409edf0990764dbd63667fd386f32d7f71e5e3dbaa1bda19a

  • Size

    89KB

  • Sample

    250305-hnf9ra1yby

  • MD5

    4a1c84efd60cf2c26aab38bf310fbdb4

  • SHA1

    2815fb134c7978addf873b781cc42d7000433970

  • SHA256

    a04eaa132048536409edf0990764dbd63667fd386f32d7f71e5e3dbaa1bda19a

  • SHA512

    2e244d2a7c4a6b74f2a7e646c3b8840c80c9b037b701508bd1c4dfdfe82838f227f4a4b9366ffaa283a59be86026d0c8418bf33b8c9deb0cc5a909f1d00c1ad8

  • SSDEEP

    1536:nYJfsXmsHEhWQCY2JkQu3UYPWpNTdD8U5UtI/jfw3wvBQgw/MdNiuVcxlExkg8Fk:nofEpJQCY2JKEOtIj5vCgxiucxlakgwk

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

      a04eaa132048536409edf0990764dbd63667fd386f32d7f71e5e3dbaa1bda19a

    • Size

      89KB

    • MD5

      4a1c84efd60cf2c26aab38bf310fbdb4

    • SHA1

      2815fb134c7978addf873b781cc42d7000433970

    • SHA256

      a04eaa132048536409edf0990764dbd63667fd386f32d7f71e5e3dbaa1bda19a

    • SHA512

      2e244d2a7c4a6b74f2a7e646c3b8840c80c9b037b701508bd1c4dfdfe82838f227f4a4b9366ffaa283a59be86026d0c8418bf33b8c9deb0cc5a909f1d00c1ad8

    • SSDEEP

      1536:nYJfsXmsHEhWQCY2JkQu3UYPWpNTdD8U5UtI/jfw3wvBQgw/MdNiuVcxlExkg8Fk:nofEpJQCY2JKEOtIj5vCgxiucxlakgwk

    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