Overview

overview

10

Static

static

3

7fb43a04d7...5a.exe

windows7-x64

10

7fb43a04d7...5a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7fb43a04d75cfaf29239067fa05c08a0ea9793c7441b3d9ddf233d8f5d139b5a

  • Size

    123KB

  • Sample

    250307-yh59pavyhv

  • MD5

    b0c2aceab566af9b9b9a27836366057b

  • SHA1

    1ae779fbe0d0672d3890bc0a07616620e70f7e2d

  • SHA256

    7fb43a04d75cfaf29239067fa05c08a0ea9793c7441b3d9ddf233d8f5d139b5a

  • SHA512

    b49f53a4805e014d02c805e7b31ca3b1f40ce684d68889a4845750de11c16796490ce0e324c628ab4e0c24f36cd0b93ebe7256e81a0155430dc931dc8ecf30e3

  • SSDEEP

    3072:0b4yMqfCMLFZtXQDcors7lRRYSa9rR85DEn5k7r8:QKMCM9gcors7lR4rQD85k/8

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

      7fb43a04d75cfaf29239067fa05c08a0ea9793c7441b3d9ddf233d8f5d139b5a

    • Size

      123KB

    • MD5

      b0c2aceab566af9b9b9a27836366057b

    • SHA1

      1ae779fbe0d0672d3890bc0a07616620e70f7e2d

    • SHA256

      7fb43a04d75cfaf29239067fa05c08a0ea9793c7441b3d9ddf233d8f5d139b5a

    • SHA512

      b49f53a4805e014d02c805e7b31ca3b1f40ce684d68889a4845750de11c16796490ce0e324c628ab4e0c24f36cd0b93ebe7256e81a0155430dc931dc8ecf30e3

    • SSDEEP

      3072:0b4yMqfCMLFZtXQDcors7lRRYSa9rR85DEn5k7r8:QKMCM9gcors7lR4rQD85k/8

    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