Overview

overview

10

Static

static

3

c1f74dd157...28.exe

windows7-x64

10

c1f74dd157...28.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c1f74dd1573aeea8576fdf7fafe7936d88350c9fbaf19b77ceca662cfa310328

  • Size

    93KB

  • Sample

    250306-mp2z3axjs7

  • MD5

    70d73bbaef87755934c8748f204eb830

  • SHA1

    8aaeb1c0b35c008d2b7f0778e7d28425e7c59760

  • SHA256

    c1f74dd1573aeea8576fdf7fafe7936d88350c9fbaf19b77ceca662cfa310328

  • SHA512

    1950265c1d1b05929ab13ce04de2d929aebb2d792b578f767e5431869df44be9b71a2eabddacc3f62828d1fc6f53f45b58416efa17d24fd5e1c604b430edd23e

  • SSDEEP

    1536:jZWWtGeHv0t3I7/NvwTS0KhAF1VdTz3QfhZ/Tejiwg58:EWtfv0t3qeTxKheVdTz3QD/OY58

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

      c1f74dd1573aeea8576fdf7fafe7936d88350c9fbaf19b77ceca662cfa310328

    • Size

      93KB

    • MD5

      70d73bbaef87755934c8748f204eb830

    • SHA1

      8aaeb1c0b35c008d2b7f0778e7d28425e7c59760

    • SHA256

      c1f74dd1573aeea8576fdf7fafe7936d88350c9fbaf19b77ceca662cfa310328

    • SHA512

      1950265c1d1b05929ab13ce04de2d929aebb2d792b578f767e5431869df44be9b71a2eabddacc3f62828d1fc6f53f45b58416efa17d24fd5e1c604b430edd23e

    • SSDEEP

      1536:jZWWtGeHv0t3I7/NvwTS0KhAF1VdTz3QfhZ/Tejiwg58:EWtfv0t3qeTxKheVdTz3QD/OY58

    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