Overview

overview

10

Static

static

3

a9f46fd906...55.exe

windows7-x64

10

a9f46fd906...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a9f46fd906b0b5f9713b93f3b34e6a1f66589dca666edd4cf2363d41973a8655

  • Size

    161KB

  • Sample

    241208-ca921swke1

  • MD5

    dd18f666633a6f0f736edbf97f2176a7

  • SHA1

    be6393aee404efdac6b55f5cb643e138a70abef3

  • SHA256

    a9f46fd906b0b5f9713b93f3b34e6a1f66589dca666edd4cf2363d41973a8655

  • SHA512

    71b839947a3843d3db05d10598ee3dd18962dab2ffef8fd622c1a1c69f80a13400d141d7d99b99cb0fbb0a67f3c93d4f34322889e7ea7cc32dbc89518a163fcd

  • SSDEEP

    3072:NCwIzHYMsG5CpOFvPE/GrtkTVwtCJXeex7rrIRZK8K8/kv:YnzHjsGOOhE/itkTVwtmeetrIyR

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

      a9f46fd906b0b5f9713b93f3b34e6a1f66589dca666edd4cf2363d41973a8655

    • Size

      161KB

    • MD5

      dd18f666633a6f0f736edbf97f2176a7

    • SHA1

      be6393aee404efdac6b55f5cb643e138a70abef3

    • SHA256

      a9f46fd906b0b5f9713b93f3b34e6a1f66589dca666edd4cf2363d41973a8655

    • SHA512

      71b839947a3843d3db05d10598ee3dd18962dab2ffef8fd622c1a1c69f80a13400d141d7d99b99cb0fbb0a67f3c93d4f34322889e7ea7cc32dbc89518a163fcd

    • SSDEEP

      3072:NCwIzHYMsG5CpOFvPE/GrtkTVwtCJXeex7rrIRZK8K8/kv:YnzHjsGOOhE/itkTVwtmeetrIyR

    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