Overview

overview

10

Static

static

3

b4e989d3b3...4N.exe

windows7-x64

10

b4e989d3b3...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4e989d3b32e8bec1e92173ece4fad244f07da784b4c02e8b1488b9ebda3f1f4N

  • Size

    352KB

  • Sample

    241001-nl4j6a1crb

  • MD5

    f321aa6b78836f50e4d872c41f7d9730

  • SHA1

    d155321e0b4103d67e2a74bbcc947532fdd483dc

  • SHA256

    b4e989d3b32e8bec1e92173ece4fad244f07da784b4c02e8b1488b9ebda3f1f4

  • SHA512

    b0c1976b3b3f29a8cd10753459bdb78e7ef7a0ece60e2aa5012d5a20d9533b249cd472ac50dabbe71fe680bb512f82101f088745ec5f00dac0f9a673a6140805

  • SSDEEP

    6144:GeOihAawCF0iezpr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdN:Oih3lF2rCZYE6YYBHpd0uD319ZvSntnr

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

      b4e989d3b32e8bec1e92173ece4fad244f07da784b4c02e8b1488b9ebda3f1f4N

    • Size

      352KB

    • MD5

      f321aa6b78836f50e4d872c41f7d9730

    • SHA1

      d155321e0b4103d67e2a74bbcc947532fdd483dc

    • SHA256

      b4e989d3b32e8bec1e92173ece4fad244f07da784b4c02e8b1488b9ebda3f1f4

    • SHA512

      b0c1976b3b3f29a8cd10753459bdb78e7ef7a0ece60e2aa5012d5a20d9533b249cd472ac50dabbe71fe680bb512f82101f088745ec5f00dac0f9a673a6140805

    • SSDEEP

      6144:GeOihAawCF0iezpr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdN:Oih3lF2rCZYE6YYBHpd0uD319ZvSntnr

    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