Overview

overview

10

Static

static

3

f85e2c8b5c...d5.exe

windows7-x64

10

f85e2c8b5c...d5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f85e2c8b5c1b12e011d08789490961338218cb243975110ce618f0c4cbe442d5

  • Size

    74KB

  • Sample

    250305-qbz54ayyf1

  • MD5

    6210479adf1d762772854ce224bb7732

  • SHA1

    6d63594fea83e687779df2f61e7b117d33ffe2e9

  • SHA256

    f85e2c8b5c1b12e011d08789490961338218cb243975110ce618f0c4cbe442d5

  • SHA512

    09cde38c01f45dd4ff5f41f0ceceac6ff35082496093f69ab53bf018ab394ef270c1b084e60d3dbafcda48f14a9a78a155d8bf06eab6896a56be78c72b3bd94d

  • SSDEEP

    1536:Zws+ir02xk42ArcFF5+Y8FoVvmdAwN+YkxXMmCdIYHD+3dYPJA:Zw7ir0nAgFaYrVvisV9MmCza3dwJA

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

      f85e2c8b5c1b12e011d08789490961338218cb243975110ce618f0c4cbe442d5

    • Size

      74KB

    • MD5

      6210479adf1d762772854ce224bb7732

    • SHA1

      6d63594fea83e687779df2f61e7b117d33ffe2e9

    • SHA256

      f85e2c8b5c1b12e011d08789490961338218cb243975110ce618f0c4cbe442d5

    • SHA512

      09cde38c01f45dd4ff5f41f0ceceac6ff35082496093f69ab53bf018ab394ef270c1b084e60d3dbafcda48f14a9a78a155d8bf06eab6896a56be78c72b3bd94d

    • SSDEEP

      1536:Zws+ir02xk42ArcFF5+Y8FoVvmdAwN+YkxXMmCdIYHD+3dYPJA:Zw7ir0nAgFaYrVvisV9MmCza3dwJA

    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