Overview

overview

10

Static

static

3

421c67ebb4...20.exe

windows7-x64

10

421c67ebb4...20.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    421c67ebb42ffa8acbf4f5af7edafbecadce24bc2f3ef6eb4d4a577b6679e120

  • Size

    1000KB

  • Sample

    250307-erznqatvex

  • MD5

    0d9b169198dc6765b7db40b1e2d30c69

  • SHA1

    48e89a9a06c1caa7799ee69547e6702c9cacb6c2

  • SHA256

    421c67ebb42ffa8acbf4f5af7edafbecadce24bc2f3ef6eb4d4a577b6679e120

  • SHA512

    30916b5f86e12dc98698eeb7eaae7006af75fc19d99123c52dae93b32a5561ab0e82f9996b1286886a80af228ef37c85f4bf1741ff712e78dedca2f55aa85f62

  • SSDEEP

    6144:o9114oqxDHBFLqWjjgwTgZLnSnLrTSxJ2JrYXklSu9lIhBBJKQh31GTYUCIIYyy8:oz18tHBFLPj3TmLnWrOxNuxC97hFq9o7

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

      421c67ebb42ffa8acbf4f5af7edafbecadce24bc2f3ef6eb4d4a577b6679e120

    • Size

      1000KB

    • MD5

      0d9b169198dc6765b7db40b1e2d30c69

    • SHA1

      48e89a9a06c1caa7799ee69547e6702c9cacb6c2

    • SHA256

      421c67ebb42ffa8acbf4f5af7edafbecadce24bc2f3ef6eb4d4a577b6679e120

    • SHA512

      30916b5f86e12dc98698eeb7eaae7006af75fc19d99123c52dae93b32a5561ab0e82f9996b1286886a80af228ef37c85f4bf1741ff712e78dedca2f55aa85f62

    • SSDEEP

      6144:o9114oqxDHBFLqWjjgwTgZLnSnLrTSxJ2JrYXklSu9lIhBBJKQh31GTYUCIIYyy8:oz18tHBFLPj3TmLnWrOxNuxC97hFq9o7

    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