Overview

overview

10

Static

static

3

a4b75ecbbc...00.exe

windows7-x64

10

a4b75ecbbc...00.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4b75ecbbc1e283b3b610b27ecfd3369e9bdddbd792f6b97e16276f1c1900700

  • Size

    90KB

  • Sample

    241209-b6hrzasmfq

  • MD5

    5979a8aa41648f88a55e09275b6fa8a1

  • SHA1

    191e9b6669d64f39ab8528f91485c0b8bb40e3c0

  • SHA256

    a4b75ecbbc1e283b3b610b27ecfd3369e9bdddbd792f6b97e16276f1c1900700

  • SHA512

    f1b3857f4534ee747913b6ab47ce71b0143ce8c74c3b66cada284303293375389eb4325b46ebdfe347e32aad31607bf26e5ff9dd81a57953744acd9df97ad214

  • SSDEEP

    1536:ImnnhJw6cyXYLGUT3thLwL3qXhvGmWqlg+AlrH1sdLUAmC9YCZ2MAgPEUbY3fGiy:ImKE0xE2gxC1UAmCZRbEHeihbGcu/Ubi

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

      a4b75ecbbc1e283b3b610b27ecfd3369e9bdddbd792f6b97e16276f1c1900700

    • Size

      90KB

    • MD5

      5979a8aa41648f88a55e09275b6fa8a1

    • SHA1

      191e9b6669d64f39ab8528f91485c0b8bb40e3c0

    • SHA256

      a4b75ecbbc1e283b3b610b27ecfd3369e9bdddbd792f6b97e16276f1c1900700

    • SHA512

      f1b3857f4534ee747913b6ab47ce71b0143ce8c74c3b66cada284303293375389eb4325b46ebdfe347e32aad31607bf26e5ff9dd81a57953744acd9df97ad214

    • SSDEEP

      1536:ImnnhJw6cyXYLGUT3thLwL3qXhvGmWqlg+AlrH1sdLUAmC9YCZ2MAgPEUbY3fGiy:ImKE0xE2gxC1UAmCZRbEHeihbGcu/Ubi

    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