Overview

overview

10

Static

static

3

fe30438d8c...cN.exe

windows7-x64

10

fe30438d8c...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fe30438d8cf27ed9e9382bffcac64ae63a19eca36404f369922ffc51149dd90cN

  • Size

    2.5MB

  • Sample

    240927-c57kdatfrh

  • MD5

    a5a42758fbd9ec5ae87733893cb53c20

  • SHA1

    1dabc0529ff3beab97b4b305ead740b6fba079db

  • SHA256

    fe30438d8cf27ed9e9382bffcac64ae63a19eca36404f369922ffc51149dd90c

  • SHA512

    6137eeba0102c84dfc0d9c76a54fad3b8b4c4cba7bc57fbe5a7e3fa55aa5ea1ddbeb2ddd5908897d9dfee8e4b4ec16d6ce6dba234602d8dd830bca0099e0ea81

  • SSDEEP

    12288:YsBfnkY660JVaw0HBHOehl0oDL/eToo5Li2:YEfngdVaw0HBFhWof/0o8

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

      fe30438d8cf27ed9e9382bffcac64ae63a19eca36404f369922ffc51149dd90cN

    • Size

      2.5MB

    • MD5

      a5a42758fbd9ec5ae87733893cb53c20

    • SHA1

      1dabc0529ff3beab97b4b305ead740b6fba079db

    • SHA256

      fe30438d8cf27ed9e9382bffcac64ae63a19eca36404f369922ffc51149dd90c

    • SHA512

      6137eeba0102c84dfc0d9c76a54fad3b8b4c4cba7bc57fbe5a7e3fa55aa5ea1ddbeb2ddd5908897d9dfee8e4b4ec16d6ce6dba234602d8dd830bca0099e0ea81

    • SSDEEP

      12288:YsBfnkY660JVaw0HBHOehl0oDL/eToo5Li2:YEfngdVaw0HBFhWof/0o8

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks