Overview

overview

10

Static

static

3

a9a0cd43c4...fN.exe

windows7-x64

10

a9a0cd43c4...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a9a0cd43c4073d63746f513a9bc7fd2a509df3c3fa350951a6c3c790bfb7e96fN.exe

  • Size

    72KB

  • Sample

    241208-cyyznasqfk

  • MD5

    b666bb23eef30a704fca9bcedf55f120

  • SHA1

    363d1a6511d3c4962180fea81b4ea923e45287a7

  • SHA256

    a9a0cd43c4073d63746f513a9bc7fd2a509df3c3fa350951a6c3c790bfb7e96f

  • SHA512

    563c8d09ab4185964db339c44daaa3341dc76f7502f3e6a72f2bdee8be77e7f8d98d1efc1cb5348d818e7d04adc3304b97beec228e8f59c5d708fa9b746b29ff

  • SSDEEP

    768:Cz4k1kxOlupHMBQjDJN9Zsze30u0iZyA/m33kbucuTBVUgkr2NgGHEWAv8Q5o:CzByYiHMBQJCzeku0jmITBVErHGHEG

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

      a9a0cd43c4073d63746f513a9bc7fd2a509df3c3fa350951a6c3c790bfb7e96fN.exe

    • Size

      72KB

    • MD5

      b666bb23eef30a704fca9bcedf55f120

    • SHA1

      363d1a6511d3c4962180fea81b4ea923e45287a7

    • SHA256

      a9a0cd43c4073d63746f513a9bc7fd2a509df3c3fa350951a6c3c790bfb7e96f

    • SHA512

      563c8d09ab4185964db339c44daaa3341dc76f7502f3e6a72f2bdee8be77e7f8d98d1efc1cb5348d818e7d04adc3304b97beec228e8f59c5d708fa9b746b29ff

    • SSDEEP

      768:Cz4k1kxOlupHMBQjDJN9Zsze30u0iZyA/m33kbucuTBVUgkr2NgGHEWAv8Q5o:CzByYiHMBQJCzeku0jmITBVErHGHEG

    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