Overview

overview

10

Static

static

3

42977c5c3f...fN.exe

windows7-x64

10

42977c5c3f...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    42977c5c3fb1eeab6b73b1b3ca2c8a50acb151a88a74de26de6c71cd180abe3fN

  • Size

    448KB

  • Sample

    240919-hn1cmawelk

  • MD5

    b122b6393d250061716423558974cd60

  • SHA1

    dc12c615f6eeefc928891e0f121b74fb9cd8753c

  • SHA256

    42977c5c3fb1eeab6b73b1b3ca2c8a50acb151a88a74de26de6c71cd180abe3f

  • SHA512

    76f408db8d926d188c4fd36c70abdf08b2176e1cbbaf1813dc627bbe03dfdc729e4fe673c9fd2c11f8574ef70a6242fab47c6b4b908a700b442e58857abc1a88

  • SSDEEP

    12288:IE3UEMzsIkPdbORDCGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgt:npMZkPdbO8GyXsGG1ws5ipt

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

      42977c5c3fb1eeab6b73b1b3ca2c8a50acb151a88a74de26de6c71cd180abe3fN

    • Size

      448KB

    • MD5

      b122b6393d250061716423558974cd60

    • SHA1

      dc12c615f6eeefc928891e0f121b74fb9cd8753c

    • SHA256

      42977c5c3fb1eeab6b73b1b3ca2c8a50acb151a88a74de26de6c71cd180abe3f

    • SHA512

      76f408db8d926d188c4fd36c70abdf08b2176e1cbbaf1813dc627bbe03dfdc729e4fe673c9fd2c11f8574ef70a6242fab47c6b4b908a700b442e58857abc1a88

    • SSDEEP

      12288:IE3UEMzsIkPdbORDCGyXu1jGG1ws5iETdqvZNemWrsiLk6mqgt:npMZkPdbO8GyXsGG1ws5ipt

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks