Overview

overview

10

Static

static

10

cc729b8c1f...18.exe

windows7-x64

10

cc729b8c1f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cc729b8c1f1d7f050ca51d488f2572e2_JaffaCakes118

  • Size

    224KB

  • Sample

    241206-l9e6csslex

  • MD5

    cc729b8c1f1d7f050ca51d488f2572e2

  • SHA1

    82b30570a2d787ffa79834f55e97127c2f1f08af

  • SHA256

    fbc7ea811a9cc4d78986918a1c07a6c6fc9f4be6e5ea4952ad76fb7b23c752af

  • SHA512

    ca09a774d0cc0225aadbba1919411c56fe52f083a62bddab07e891b9231566ea342a8fb13623afafe8141f782485d62f310506f5e07267c2a6033382ea29d5ec

  • SSDEEP

    6144:lnOBWg8BRGHbLegPMEGSu7YG/vXYiMWt5CAVJbc15:yp8BRsbWELGo7w1VW15

Score
10/10
remcosremotehostdiscoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

remcos

Version

3.1.1 Pro

Botnet

RemoteHost

C2

192.168.8.104:2405

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    svchost.exe

  • copy_folder

    Svchost

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    JRE

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-HYK6L3

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • 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;

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.168.8.104:2405

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    svchost.exe

  • copy_folder

    Svchost

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    JRE

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-HYK6L3

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • 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

      cc729b8c1f1d7f050ca51d488f2572e2_JaffaCakes118

    • Size

      224KB

    • MD5

      cc729b8c1f1d7f050ca51d488f2572e2

    • SHA1

      82b30570a2d787ffa79834f55e97127c2f1f08af

    • SHA256

      fbc7ea811a9cc4d78986918a1c07a6c6fc9f4be6e5ea4952ad76fb7b23c752af

    • SHA512

      ca09a774d0cc0225aadbba1919411c56fe52f083a62bddab07e891b9231566ea342a8fb13623afafe8141f782485d62f310506f5e07267c2a6033382ea29d5ec

    • SSDEEP

      6144:lnOBWg8BRGHbLegPMEGSu7YG/vXYiMWt5CAVJbc15:yp8BRsbWELGo7w1VW15

    Score
    10/10
    remcosremotehostdiscoveryevasionpersistencerattrojanupx

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks