General

  • Target

    Quotation.exe

  • Size

    1.4MB

  • Sample

    240409-k42azaef8t

  • MD5

    c5e1a421d9e99c5cae9400b9cd38a06b

  • SHA1

    2c245784d3dee4e5a53432c46ba081e6f88a7b86

  • SHA256

    aeee6a9e26b4d62ec9258b1b2d30aea108deefc6001c54fbb6704c1d72010eed

  • SHA512

    cebdd6b10a4faf7c6d98b47020031de90faf50881c6be290bb0d9fe4bd939c091537b7d74a73efd5461a342550f58ebda3565c73f1b78bc7c94a1121050caeec

  • SSDEEP

    24576:H17iEW02Eq8SzySmi5c3QBLeAVvu+lsVGXZuuuwxqEBQ:HJimicARtVvu+GVMZuMxqEB

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-I8N3XG

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Quotation.exe

    • Size

      1.4MB

    • MD5

      c5e1a421d9e99c5cae9400b9cd38a06b

    • SHA1

      2c245784d3dee4e5a53432c46ba081e6f88a7b86

    • SHA256

      aeee6a9e26b4d62ec9258b1b2d30aea108deefc6001c54fbb6704c1d72010eed

    • SHA512

      cebdd6b10a4faf7c6d98b47020031de90faf50881c6be290bb0d9fe4bd939c091537b7d74a73efd5461a342550f58ebda3565c73f1b78bc7c94a1121050caeec

    • SSDEEP

      24576:H17iEW02Eq8SzySmi5c3QBLeAVvu+lsVGXZuuuwxqEBQ:HJimicARtVvu+GVMZuMxqEB

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks