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Overview

overview

10

Static

static

3

e521bc33bb...4a.exe

windows7-x64

10

e521bc33bb...4a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e521bc33bb1406d061073b9d8eb40a0232b229932a2eea0cd21bdf955b152c4a.exe

  • Size

    74KB

  • Sample

    241225-x7ktlsvkap

  • MD5

    43ce73ac4cb76aa2f204396949ac0d23

  • SHA1

    be19cc91b0aa25969c68f49c2997f284fc0cc305

  • SHA256

    e521bc33bb1406d061073b9d8eb40a0232b229932a2eea0cd21bdf955b152c4a

  • SHA512

    339f1c5decde85a5ee91bfe88d4b4261765fd9889def421706aadf982dccff2a85beff78927ac72f766e28839195b288f42fbadf52d81f1bcef170c1013f8f3e

  • SSDEEP

    1536:z1J56O97kzNFI+Fw5YjZywqYeMXM4Kal0ZlQ:zT3kz3FNFyweMXkal07Q

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

      e521bc33bb1406d061073b9d8eb40a0232b229932a2eea0cd21bdf955b152c4a.exe

    • Size

      74KB

    • MD5

      43ce73ac4cb76aa2f204396949ac0d23

    • SHA1

      be19cc91b0aa25969c68f49c2997f284fc0cc305

    • SHA256

      e521bc33bb1406d061073b9d8eb40a0232b229932a2eea0cd21bdf955b152c4a

    • SHA512

      339f1c5decde85a5ee91bfe88d4b4261765fd9889def421706aadf982dccff2a85beff78927ac72f766e28839195b288f42fbadf52d81f1bcef170c1013f8f3e

    • SSDEEP

      1536:z1J56O97kzNFI+Fw5YjZywqYeMXM4Kal0ZlQ:zT3kz3FNFyweMXkal07Q

    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