General

  • Target

    3179c9bc6e97029cde5ec068cdb9688110881e7b2454c6ec3d44196f7ce03a94

  • Size

    184KB

  • Sample

    240904-xb8wkavclr

  • MD5

    ade5d61e34f752b0896abd6f2cbeb099

  • SHA1

    0bc7c2bd8b3e63693e50f73d36403737c294044f

  • SHA256

    3179c9bc6e97029cde5ec068cdb9688110881e7b2454c6ec3d44196f7ce03a94

  • SHA512

    c8027ac133eb6321098da7e0b7c8680cc9e1265e5f1b9128dde4ff90f1059ddd49a870c77afd94521a43c94db8e75ea3bb86acb992002a19c83ab06e7329a4aa

  • SSDEEP

    3072:HscEXcKWZQPAOW4m0gt5p3Gw6OL8irybENY812OH39D:HsckcbQPAOW4OND

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg

exe.dropper

https://ia803104.us.archive.org/27/items/vbs_20240726_20240726/vbs.jpg

Extracted

Family

remcos

Botnet

RemoteHost

C2

dremom2.duckdns.org:2201

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-OT0ZCG

  • 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

      3179c9bc6e97029cde5ec068cdb9688110881e7b2454c6ec3d44196f7ce03a94

    • Size

      184KB

    • MD5

      ade5d61e34f752b0896abd6f2cbeb099

    • SHA1

      0bc7c2bd8b3e63693e50f73d36403737c294044f

    • SHA256

      3179c9bc6e97029cde5ec068cdb9688110881e7b2454c6ec3d44196f7ce03a94

    • SHA512

      c8027ac133eb6321098da7e0b7c8680cc9e1265e5f1b9128dde4ff90f1059ddd49a870c77afd94521a43c94db8e75ea3bb86acb992002a19c83ab06e7329a4aa

    • SSDEEP

      3072:HscEXcKWZQPAOW4m0gt5p3Gw6OL8irybENY812OH39D:HsckcbQPAOW4OND

    • Remcos

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks