Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 12:34

General

  • Target

    459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db.exe

  • Size

    1.9MB

  • MD5

    0292401b2805c94da9987260be0f8755

  • SHA1

    307c4f345e27e27cfbb6e99a20b78522a684e5ac

  • SHA256

    459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db

  • SHA512

    e0e1463b9e7af4089816b65d06c566ecfa14388f8c71771d9da86963fc308dbd5a25b865e222fe5c1a17a6d21ff043d312f0b7861317d547d8949db3af5fcd54

  • SSDEEP

    49152:F3h48Vr5SVuz9xL/3YheYxTVHyqM3h4XibVn+:F3K4r5SVIL32k3KXix+

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

C2

127.0.0.1:2404

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-52SPIJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db.exe
    "C:\Users\Admin\AppData\Local\Temp\459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db.exe
      "C:\Users\Admin\AppData\Local\Temp\459cad2da4571a861b3a5f2de8ecf34c2618b14b10457affe9d187a6ee2a18db.exe"
      2⤵
        PID:3036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2052-0-0x0000000000240000-0x0000000000267000-memory.dmp

      Filesize

      156KB

    • memory/2052-7-0x0000000000370000-0x00000000003AD000-memory.dmp

      Filesize

      244KB

    • memory/3036-1-0x00000000001D0000-0x0000000000245000-memory.dmp

      Filesize

      468KB

    • memory/3036-5-0x00000000001D0000-0x0000000000245000-memory.dmp

      Filesize

      468KB

    • memory/3036-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB