Overview

overview

10

Static

static

3

fcee5b715e...d5.exe

windows7-x64

10

fcee5b715e...d5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fcee5b715e70688377b64318d0c2c2a36f0db78d26878ac857bec54d1a493fd5

  • Size

    2.7MB

  • Sample

    250218-j8rfwszqt7

  • MD5

    7cce35f6790eca30372b9e53bc7af58d

  • SHA1

    273c6a7c9b995139bb0880505ea922b451790af1

  • SHA256

    fcee5b715e70688377b64318d0c2c2a36f0db78d26878ac857bec54d1a493fd5

  • SHA512

    157c799a297617367373448629ea3e95f18dc12e29f75778b7ab5123d6fc03956e43bbc4adb835cfba803d207cf9220674afd11aa3c5d9a5a068bf1fa57854b1

  • SSDEEP

    24576:uSRjN+saK2cWfVaw0HBjNdatS2XKXL8/8/8c9aI6ztB6GwPICENtvZGURNVeA4iR:NlNbaK2AUS3Xr9aI6BB6GwyvZNVeA4iR

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

      fcee5b715e70688377b64318d0c2c2a36f0db78d26878ac857bec54d1a493fd5

    • Size

      2.7MB

    • MD5

      7cce35f6790eca30372b9e53bc7af58d

    • SHA1

      273c6a7c9b995139bb0880505ea922b451790af1

    • SHA256

      fcee5b715e70688377b64318d0c2c2a36f0db78d26878ac857bec54d1a493fd5

    • SHA512

      157c799a297617367373448629ea3e95f18dc12e29f75778b7ab5123d6fc03956e43bbc4adb835cfba803d207cf9220674afd11aa3c5d9a5a068bf1fa57854b1

    • SSDEEP

      24576:uSRjN+saK2cWfVaw0HBjNdatS2XKXL8/8/8c9aI6ztB6GwPICENtvZGURNVeA4iR:NlNbaK2AUS3Xr9aI6BB6GwyvZNVeA4iR

    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