Overview

overview

10

Static

static

3

7cd53cb35d...1N.exe

windows7-x64

10

7cd53cb35d...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7cd53cb35de6322c8bd68d7a3a10e43a0dfeb6e38c0379c35c69cf2201dc5851N.exe

  • Size

    71KB

  • Sample

    240925-zf838swhkm

  • MD5

    44d05fa51bc1df575eb494c63a106330

  • SHA1

    9f0da6b6c74c08b52f1e30b094316f8e789d8def

  • SHA256

    7cd53cb35de6322c8bd68d7a3a10e43a0dfeb6e38c0379c35c69cf2201dc5851

  • SHA512

    385d74b731012d3f47ff83fd17b7afcb890fac2f70ad05ed120a61b656e7cdb0b5d8b9c72aa836943ce560cf8d82ab54c1ccc9c4acb375674483641bcfac45fe

  • SSDEEP

    1536:ljeY4r/25BomAAUqBETsRQ+LTT6h/cIddXgrJVaaeRQi2DbEyRCRRRoR4Rk:dW25Bh5BEf+LG/xdFgrJneeiIEy032ya

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      7cd53cb35de6322c8bd68d7a3a10e43a0dfeb6e38c0379c35c69cf2201dc5851N.exe

    • Size

      71KB

    • MD5

      44d05fa51bc1df575eb494c63a106330

    • SHA1

      9f0da6b6c74c08b52f1e30b094316f8e789d8def

    • SHA256

      7cd53cb35de6322c8bd68d7a3a10e43a0dfeb6e38c0379c35c69cf2201dc5851

    • SHA512

      385d74b731012d3f47ff83fd17b7afcb890fac2f70ad05ed120a61b656e7cdb0b5d8b9c72aa836943ce560cf8d82ab54c1ccc9c4acb375674483641bcfac45fe

    • SSDEEP

      1536:ljeY4r/25BomAAUqBETsRQ+LTT6h/cIddXgrJVaaeRQi2DbEyRCRRRoR4Rk:dW25Bh5BEf+LG/xdFgrJneeiIEy032ya

    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