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Overview

overview

10

Static

static

3

bcd2f390b7...3c.exe

windows7-x64

10

bcd2f390b7...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcd2f390b743518344c213f21e65c5ad40cc9a9dddc3958e16698aef88be723c

  • Size

    120KB

  • Sample

    250305-khyyqatrv4

  • MD5

    b64d9597c288854d8e2a600dd7186f8e

  • SHA1

    0f35eb4595446a421321ba54a934ceffa795c19d

  • SHA256

    bcd2f390b743518344c213f21e65c5ad40cc9a9dddc3958e16698aef88be723c

  • SHA512

    8c8ab369e8af90edfc1f6b16c7f611e277720f85b12a9ad4292bb66a84084aea47d06c14e23a812b0cc11e0b2051e3dc9efff74fb7abcef8a6010973962d223b

  • SSDEEP

    1536:rgKb41sM8Lu6MT4pYvQybt2/IuZ/TX5h96krPFjz0cZ44mjD9r823F4:rgKbfrMVvQyB2/tZTpPai/mjRrz3C

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

      bcd2f390b743518344c213f21e65c5ad40cc9a9dddc3958e16698aef88be723c

    • Size

      120KB

    • MD5

      b64d9597c288854d8e2a600dd7186f8e

    • SHA1

      0f35eb4595446a421321ba54a934ceffa795c19d

    • SHA256

      bcd2f390b743518344c213f21e65c5ad40cc9a9dddc3958e16698aef88be723c

    • SHA512

      8c8ab369e8af90edfc1f6b16c7f611e277720f85b12a9ad4292bb66a84084aea47d06c14e23a812b0cc11e0b2051e3dc9efff74fb7abcef8a6010973962d223b

    • SSDEEP

      1536:rgKb41sM8Lu6MT4pYvQybt2/IuZ/TX5h96krPFjz0cZ44mjD9r823F4:rgKbfrMVvQyB2/tZTpPai/mjRrz3C

    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