General

  • Target

    niceworkofyummybutterbun.tIF

  • Size

    177KB

  • Sample

    240820-sfbpeasdrj

  • MD5

    151ae78820d98d8873534bf1cdb53c8e

  • SHA1

    50a463097f5bb500fcb65e4443243b38e836c61c

  • SHA256

    6949f04397e5341b1001fd30382b704065a7d1982c9bb07eb9308714bc416aab

  • SHA512

    3ea41997e5bcd53ea2518f56b2f01d81083b7d885e8cca76f9fde07799809ad2e2115c3056b005dd2211c82e6b29b88e15df0dfaa871746d574078a9c10d3bde

  • SSDEEP

    3072:8jY0pUVfGtU4bgt5pPGwdCCLULubsxAzAvX:eUVfGtU4BL6nzAv

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

brendalu.duckdns.org:2442

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-690S88

  • 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

      niceworkofyummybutterbun.tIF

    • Size

      177KB

    • MD5

      151ae78820d98d8873534bf1cdb53c8e

    • SHA1

      50a463097f5bb500fcb65e4443243b38e836c61c

    • SHA256

      6949f04397e5341b1001fd30382b704065a7d1982c9bb07eb9308714bc416aab

    • SHA512

      3ea41997e5bcd53ea2518f56b2f01d81083b7d885e8cca76f9fde07799809ad2e2115c3056b005dd2211c82e6b29b88e15df0dfaa871746d574078a9c10d3bde

    • SSDEEP

      3072:8jY0pUVfGtU4bgt5pPGwdCCLULubsxAzAvX:eUVfGtU4BL6nzAv

    • 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