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Overview

overview

10

Static

static

3

b0d8133706...8d.exe

windows7-x64

10

b0d8133706...8d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b0d81337061a41f9ee9f558632110050c11b585e93c5ddb6515eb0520ccf368d

  • Size

    305KB

  • Sample

    250305-jlyxfstjs9

  • MD5

    4fd177c398ea655187009f15933a79f7

  • SHA1

    7270a0dda49775c54f5920d2c3f3b14da3a63090

  • SHA256

    b0d81337061a41f9ee9f558632110050c11b585e93c5ddb6515eb0520ccf368d

  • SHA512

    d1a3983bee4d49397cc81e94f53638af7e8a6ff08480c5a1c114b95211ece422f395130d9f662a83ec8223b15945006d2bdd599783de0e09f7ca958eaf4e5493

  • SSDEEP

    6144:hRZ+Ixmm8OAuW53shNxunXe8yhrtMsQBvli+RQFdq:hjxzy3YvAO8qRMsrOQF

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b0d81337061a41f9ee9f558632110050c11b585e93c5ddb6515eb0520ccf368d

    • Size

      305KB

    • MD5

      4fd177c398ea655187009f15933a79f7

    • SHA1

      7270a0dda49775c54f5920d2c3f3b14da3a63090

    • SHA256

      b0d81337061a41f9ee9f558632110050c11b585e93c5ddb6515eb0520ccf368d

    • SHA512

      d1a3983bee4d49397cc81e94f53638af7e8a6ff08480c5a1c114b95211ece422f395130d9f662a83ec8223b15945006d2bdd599783de0e09f7ca958eaf4e5493

    • SSDEEP

      6144:hRZ+Ixmm8OAuW53shNxunXe8yhrtMsQBvli+RQFdq:hjxzy3YvAO8qRMsrOQF

    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