General

  • Target

    Solara3.0.exe

  • Size

    469KB

  • Sample

    240917-1l1jqawhqk

  • MD5

    78cc68b05b96757337bd5cf262c00b7a

  • SHA1

    f3ecae5e0edbf728092e49f28609610c3fefec46

  • SHA256

    5cadbdb3c936e6e75c4314aa7c9b815f3507135957bac00dc95ba5a5a61abcb8

  • SHA512

    b1fa4d3621adeb59934f9c89c066510d6b04d823c23180922222e6a68796515558af763c99ca5ca8d4467896dd6546aabb3d4d682e69f53dabeb49cfa69a2b93

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSTn9:uiLJbpI7I2WhQqZ7T9

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

accessories-retrieve.gl.at.ply.gg:13970

192.168.1.56:13970

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Solara2.exe

  • copy_folder

    Health

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    filer32

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    Rmc-VK27G6

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %WinDir%\System32

  • screenshot_time

    10

  • startup_value

    WindowsHealth

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Solara3.0.exe

    • Size

      469KB

    • MD5

      78cc68b05b96757337bd5cf262c00b7a

    • SHA1

      f3ecae5e0edbf728092e49f28609610c3fefec46

    • SHA256

      5cadbdb3c936e6e75c4314aa7c9b815f3507135957bac00dc95ba5a5a61abcb8

    • SHA512

      b1fa4d3621adeb59934f9c89c066510d6b04d823c23180922222e6a68796515558af763c99ca5ca8d4467896dd6546aabb3d4d682e69f53dabeb49cfa69a2b93

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSTn9:uiLJbpI7I2WhQqZ7T9

    • Remcos

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

    • UAC bypass

    • Adds policy Run key to start application

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks