Overview

overview

10

Static

static

10

2d7fc21602...1N.exe

windows7-x64

10

2d7fc21602...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2d7fc21602b5a9e4592b31a76ef2f0cd92db3d5ec6340e9e7186e5bf35284701N.exe

  • Size

    207KB

  • Sample

    241123-nxx7hstra1

  • MD5

    e0d3c743f7e2f6ab2116291301971080

  • SHA1

    2d54cc8bd3ba054c7935b0b210c4207c3296ff17

  • SHA256

    2d7fc21602b5a9e4592b31a76ef2f0cd92db3d5ec6340e9e7186e5bf35284701

  • SHA512

    fe4a1efb79ce10c72fc1f301fc396018fed96fee96e72dda45ea4f95ba8c021fa158270de2295d33f11650346a92b6407c2897706a21c829b6876a64a0cbf0e2

  • SSDEEP

    6144:ESwC17Q4v/ikuKsVjj+VPj92d62ASOwj:an4Xik+pIPj92aSOc

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

      2d7fc21602b5a9e4592b31a76ef2f0cd92db3d5ec6340e9e7186e5bf35284701N.exe

    • Size

      207KB

    • MD5

      e0d3c743f7e2f6ab2116291301971080

    • SHA1

      2d54cc8bd3ba054c7935b0b210c4207c3296ff17

    • SHA256

      2d7fc21602b5a9e4592b31a76ef2f0cd92db3d5ec6340e9e7186e5bf35284701

    • SHA512

      fe4a1efb79ce10c72fc1f301fc396018fed96fee96e72dda45ea4f95ba8c021fa158270de2295d33f11650346a92b6407c2897706a21c829b6876a64a0cbf0e2

    • SSDEEP

      6144:ESwC17Q4v/ikuKsVjj+VPj92d62ASOwj:an4Xik+pIPj92aSOc

    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