Overview

overview

10

Static

static

3

3fd65cca0f...aN.exe

windows7-x64

10

3fd65cca0f...aN.exe

windows10-2004-x64

10

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General

  • Target

    3fd65cca0f9487af6fbe9f7703607b2b14bed18b0bcd10474ce22684f74140faN.exe

  • Size

    304KB

  • Sample

    241225-znt92sxkd1

  • MD5

    08883a71af1a0b87479a092fa91568b0

  • SHA1

    032deb767b3b1dc898e330f7d77eb5c0467c3072

  • SHA256

    3fd65cca0f9487af6fbe9f7703607b2b14bed18b0bcd10474ce22684f74140fa

  • SHA512

    8950a5497c1d7d96dfc2fad005b1968a0899188567f10eb3ff38755eb95fe4551c8df6e0e9e337decff851843737e79a5df5d80bf0a2c9cb5999a13ae0e99318

  • SSDEEP

    3072:AyGZxMptyxmmDA6b9AuW53n8eLejz+k5rD0LZSnulc0VP7SnHjg:ARZ+Ixmm8OAuW533LEKIrD0Lu

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

      3fd65cca0f9487af6fbe9f7703607b2b14bed18b0bcd10474ce22684f74140faN.exe

    • Size

      304KB

    • MD5

      08883a71af1a0b87479a092fa91568b0

    • SHA1

      032deb767b3b1dc898e330f7d77eb5c0467c3072

    • SHA256

      3fd65cca0f9487af6fbe9f7703607b2b14bed18b0bcd10474ce22684f74140fa

    • SHA512

      8950a5497c1d7d96dfc2fad005b1968a0899188567f10eb3ff38755eb95fe4551c8df6e0e9e337decff851843737e79a5df5d80bf0a2c9cb5999a13ae0e99318

    • SSDEEP

      3072:AyGZxMptyxmmDA6b9AuW53n8eLejz+k5rD0LZSnulc0VP7SnHjg:ARZ+Ixmm8OAuW533LEKIrD0Lu

    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