Overview

overview

10

Static

static

3

c52891ecc2...0N.exe

windows7-x64

10

c52891ecc2...0N.exe

windows10-2004-x64

10

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General

  • Target

    c52891ecc2db4cfcced394d00c6206a03ccd64b3488f3572573f082e44a9e200N

  • Size

    352KB

  • Sample

    240919-g5vyssvflm

  • MD5

    b35cffa288d3f24fecf5592f03a4e5a0

  • SHA1

    5deb31b60544e6b3f97989a0d86f4e0b5d332f89

  • SHA256

    c52891ecc2db4cfcced394d00c6206a03ccd64b3488f3572573f082e44a9e200

  • SHA512

    9ff5ff774db2d1ca0f0874e91ceb3f4c7ba29f2d0b2016430157569742c38cd7e1023b7d63712aa7c37ef010f32bc81e0d0ca4b90b86aaf1b547006f698ac153

  • SSDEEP

    6144:ycGyHN5chtG2pr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdFfX:yF6N58rCZYE6YYBHpd0uD319ZvSntnhV

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

      c52891ecc2db4cfcced394d00c6206a03ccd64b3488f3572573f082e44a9e200N

    • Size

      352KB

    • MD5

      b35cffa288d3f24fecf5592f03a4e5a0

    • SHA1

      5deb31b60544e6b3f97989a0d86f4e0b5d332f89

    • SHA256

      c52891ecc2db4cfcced394d00c6206a03ccd64b3488f3572573f082e44a9e200

    • SHA512

      9ff5ff774db2d1ca0f0874e91ceb3f4c7ba29f2d0b2016430157569742c38cd7e1023b7d63712aa7c37ef010f32bc81e0d0ca4b90b86aaf1b547006f698ac153

    • SSDEEP

      6144:ycGyHN5chtG2pr1ItvLUErOU7amYBAYpd0ucyEWJrj1mKZHPSv/rpwMBhpNFdFfX:yF6N58rCZYE6YYBHpd0uD319ZvSntnhV

    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