General

  • Target

    DHL AWB_NO_9078538809.exe

  • Size

    939KB

  • Sample

    241125-nxvrds1pcl

  • MD5

    0e317b92296b874f54a63b7ce8ef3c65

  • SHA1

    a2c482fc7c9fea2543fac305fc4857ed6ddb8ac4

  • SHA256

    802838172640a2ed4ea87b5ecbfd07629e151f25ae46e1c03d3ae11b0f78add6

  • SHA512

    ca5de1bb5bf884b28857229419371faa73d0d3570c465f19906409aebd7c821c3c5a68655e6cec8289b39cb922ca6a0fe9eb0be40c186df06448e959d0a57a99

  • SSDEEP

    24576:VUJe35eXoREhAiOsBVdYZVB4fUtPgtmNxS3Ah77Q4cLSqc6w3:Gm1RIb3dYZVumowSG/rcLSqc6w3

Malware Config

Extracted

Family

remcos

Botnet

win

C2

windowsupdateserveraug.duckdns.org:45682

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

    msc-XYOFLE

  • 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

Targets

    • Target

      DHL AWB_NO_9078538809.exe

    • Size

      939KB

    • MD5

      0e317b92296b874f54a63b7ce8ef3c65

    • SHA1

      a2c482fc7c9fea2543fac305fc4857ed6ddb8ac4

    • SHA256

      802838172640a2ed4ea87b5ecbfd07629e151f25ae46e1c03d3ae11b0f78add6

    • SHA512

      ca5de1bb5bf884b28857229419371faa73d0d3570c465f19906409aebd7c821c3c5a68655e6cec8289b39cb922ca6a0fe9eb0be40c186df06448e959d0a57a99

    • SSDEEP

      24576:VUJe35eXoREhAiOsBVdYZVB4fUtPgtmNxS3Ah77Q4cLSqc6w3:Gm1RIb3dYZVumowSG/rcLSqc6w3

    • Remcos

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

    • Remcos family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks