Overview

overview

10

Static

static

10

2f914728bd...0N.exe

windows7-x64

10

2f914728bd...0N.exe

windows10-2004-x64

10

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General

  • Target

    2f914728bdc78e5ab6a8338d4632991425d16ef8a032d13f660c6f559387bf00N.exe

  • Size

    359KB

  • Sample

    241207-3t4mfswlen

  • MD5

    b5914226949c71c0404ab7e0130335d0

  • SHA1

    7ebbb790674b7a838e9e6455b3fa766acf8588f3

  • SHA256

    2f914728bdc78e5ab6a8338d4632991425d16ef8a032d13f660c6f559387bf00

  • SHA512

    25e4a4d5e1657d64337b63a1655cbe27a68f1de56abf840b44a40df4e26fd72fafaa1932c00724dc27fa0b3b16527090a8bef15821c00306003e23faedaba710

  • SSDEEP

    6144:EHdQ+4sNrGG79YVrOigcC6oQ6+EcC6oQ6+YahBQyiTACPTRN6+YahBQyiTAgiuMg:EHdQtYOK9E6n9E6vah6yiMCPTRN6vahm

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

      2f914728bdc78e5ab6a8338d4632991425d16ef8a032d13f660c6f559387bf00N.exe

    • Size

      359KB

    • MD5

      b5914226949c71c0404ab7e0130335d0

    • SHA1

      7ebbb790674b7a838e9e6455b3fa766acf8588f3

    • SHA256

      2f914728bdc78e5ab6a8338d4632991425d16ef8a032d13f660c6f559387bf00

    • SHA512

      25e4a4d5e1657d64337b63a1655cbe27a68f1de56abf840b44a40df4e26fd72fafaa1932c00724dc27fa0b3b16527090a8bef15821c00306003e23faedaba710

    • SSDEEP

      6144:EHdQ+4sNrGG79YVrOigcC6oQ6+EcC6oQ6+YahBQyiTACPTRN6+YahBQyiTAgiuMg:EHdQtYOK9E6n9E6vah6yiMCPTRN6vahm

    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