Overview

overview

10

Static

static

3

af62406dbe...ef.exe

windows7-x64

7

af62406dbe...ef.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

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General

  • Target

    af62406dbe38427fab6107e84cccff2d956970873557a068335ef4c5e8b32aef

  • Size

    950KB

  • Sample

    241114-j92cgswfkj

  • MD5

    47dc282aac61a2d84456239a1b98323b

  • SHA1

    fa355c5f51424e36fdacc15efbd733b2b4b74273

  • SHA256

    af62406dbe38427fab6107e84cccff2d956970873557a068335ef4c5e8b32aef

  • SHA512

    1e6fe2daad9baa61dfcb5b2cfe0c3b923d5e6ead3706e17a1ee5175615e6469a8fddbbc0e5026d7bff13757d4de79f4c655416f2034046194b728558de53087f

  • SSDEEP

    24576:jSkd+Dv8sV5MuxyCaOW7yTN9goUIxCZm74qLL:G5D8OhaOW7yTQqCZm74mL

Score
10/10
remcosreborndiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

ReBorn

C2

gerfourt99lahjou2.duckdns.org:3487

gerfourt99lahjou2.duckdns.org:3488

gerfourt99lahjou3.duckdns.org:3487
Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    ksaourts.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ksajoutr-WG0CPT

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      af62406dbe38427fab6107e84cccff2d956970873557a068335ef4c5e8b32aef

    • Size

      950KB

    • MD5

      47dc282aac61a2d84456239a1b98323b

    • SHA1

      fa355c5f51424e36fdacc15efbd733b2b4b74273

    • SHA256

      af62406dbe38427fab6107e84cccff2d956970873557a068335ef4c5e8b32aef

    • SHA512

      1e6fe2daad9baa61dfcb5b2cfe0c3b923d5e6ead3706e17a1ee5175615e6469a8fddbbc0e5026d7bff13757d4de79f4c655416f2034046194b728558de53087f

    • SSDEEP

      24576:jSkd+Dv8sV5MuxyCaOW7yTN9goUIxCZm74qLL:G5D8OhaOW7yTQqCZm74mL

    Score
    10/10
    discoveryremcosrebornpersistencerat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      12b140583e3273ee1f65016becea58c4

    • SHA1

      92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    • SHA256

      014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    • SHA512

      49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

    • SSDEEP

      192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks