Overview

overview

10

Static

static

1

8ab8847b21...da.exe

windows7-x64

10

8ab8847b21...da.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ab8847b21675188be6c9e4a3782ccda.exe

  • Size

    2.6MB

  • Sample

    230324-bk3v1sbc65

  • MD5

    8ab8847b21675188be6c9e4a3782ccda

  • SHA1

    8c2923b94ab3db0c67e83ef244642316afe56125

  • SHA256

    1b756a06817a1b3ab7db454b9b4791567ffabbea9db0ffd5ad9f3c01201c65dd

  • SHA512

    72488ba19a0cd1998e085aa0bb27327e5f4606cc769e474d312e39102be18759599ba7ab02fb7ee30ac8d761d2e7f74ebfe75ba22ff5b2e079acdc007098dcfe

  • SSDEEP

    24576:sUe7AbJO3BqXtEOGTPEhRNhvdf2VKtu1Dze6HDpLe1hP+dufPRfvcaeFN+qIOWXZ:sDAiOGT2Nf2+PpAw7lWdnL2Rwhzr6

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

RemoteHost

C2

march4great.ddns.net:2409

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-43G52Y

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      8ab8847b21675188be6c9e4a3782ccda.exe

    • Size

      2.6MB

    • MD5

      8ab8847b21675188be6c9e4a3782ccda

    • SHA1

      8c2923b94ab3db0c67e83ef244642316afe56125

    • SHA256

      1b756a06817a1b3ab7db454b9b4791567ffabbea9db0ffd5ad9f3c01201c65dd

    • SHA512

      72488ba19a0cd1998e085aa0bb27327e5f4606cc769e474d312e39102be18759599ba7ab02fb7ee30ac8d761d2e7f74ebfe75ba22ff5b2e079acdc007098dcfe

    • SSDEEP

      24576:sUe7AbJO3BqXtEOGTPEhRNhvdf2VKtu1Dze6HDpLe1hP+dufPRfvcaeFN+qIOWXZ:sDAiOGT2Nf2+PpAw7lWdnL2Rwhzr6

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks