Overview

overview

10

Static

static

3

cf640ab7fa...2N.exe

windows7-x64

10

cf640ab7fa...2N.exe

windows10-2004-x64

10

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General

  • Target

    cf640ab7fa9f7d1a04db3157c842fd76872e14a2a1da189f14f779f7f3d6eca2N

  • Size

    90KB

  • Sample

    240928-lm8t6ayerk

  • MD5

    a471b2c8a7a323d2421e44066b3c44b0

  • SHA1

    c120f3432f7fbbe730bffa5957475d9338a9f685

  • SHA256

    cf640ab7fa9f7d1a04db3157c842fd76872e14a2a1da189f14f779f7f3d6eca2

  • SHA512

    81ce043cae3adebc021c4d557bfe93ec781213f983aeb5371e7f4fa4906180511e55196d1832f67ce09f0ba1780b63b7b5543ca5a8923580838871b8340b010a

  • SSDEEP

    1536:Q9DDoFhOikNwnJKV/2FJAz5gr1SQs8XrF00Gbu/Ub0VkVNK:aDDoLO3NWQVOFJAz5mEQZB00Gbu/Ub05

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

      cf640ab7fa9f7d1a04db3157c842fd76872e14a2a1da189f14f779f7f3d6eca2N

    • Size

      90KB

    • MD5

      a471b2c8a7a323d2421e44066b3c44b0

    • SHA1

      c120f3432f7fbbe730bffa5957475d9338a9f685

    • SHA256

      cf640ab7fa9f7d1a04db3157c842fd76872e14a2a1da189f14f779f7f3d6eca2

    • SHA512

      81ce043cae3adebc021c4d557bfe93ec781213f983aeb5371e7f4fa4906180511e55196d1832f67ce09f0ba1780b63b7b5543ca5a8923580838871b8340b010a

    • SSDEEP

      1536:Q9DDoFhOikNwnJKV/2FJAz5gr1SQs8XrF00Gbu/Ub0VkVNK:aDDoLO3NWQVOFJAz5mEQZB00Gbu/Ub05

    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