Overview

overview

10

Static

static

3

c74ad4b0bf...cN.exe

windows7-x64

10

c74ad4b0bf...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c74ad4b0bfbc837e8af7028d7c037e0c95f7e9095868141212da50be8147103cN.exe

  • Size

    89KB

  • Sample

    241207-2sm3msyjfz

  • MD5

    a459979fe8f2be9bc9e14d658345ce70

  • SHA1

    ed140b6352224551625bb9672a8297db3d5847c9

  • SHA256

    c74ad4b0bfbc837e8af7028d7c037e0c95f7e9095868141212da50be8147103c

  • SHA512

    31eb7727b43cb8e90eff64de6bf487900be698855f8b427953b16f78c2eb29198cc74f2e807af0716cb6d76cce80a959c4852b395eb92e8afbfafb7a61492c83

  • SSDEEP

    1536:IYfsuBxscTJ8a363ShWJG8X0YCEhxi63gzDb9cP5aO+xQx:zBRTPY0AG8XfCCi63gPtO+2x

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

      c74ad4b0bfbc837e8af7028d7c037e0c95f7e9095868141212da50be8147103cN.exe

    • Size

      89KB

    • MD5

      a459979fe8f2be9bc9e14d658345ce70

    • SHA1

      ed140b6352224551625bb9672a8297db3d5847c9

    • SHA256

      c74ad4b0bfbc837e8af7028d7c037e0c95f7e9095868141212da50be8147103c

    • SHA512

      31eb7727b43cb8e90eff64de6bf487900be698855f8b427953b16f78c2eb29198cc74f2e807af0716cb6d76cce80a959c4852b395eb92e8afbfafb7a61492c83

    • SSDEEP

      1536:IYfsuBxscTJ8a363ShWJG8X0YCEhxi63gzDb9cP5aO+xQx:zBRTPY0AG8XfCCi63gPtO+2x

    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