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Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2025, 15:35

General

  • Target

    preliminary drawing.exe

  • Size

    981KB

  • MD5

    164b1d640db37d9f5c95c23d816ffd69

  • SHA1

    5fff09a87a47d38077a08aa917bab542e8317682

  • SHA256

    425fae95f11030526dd3a7e8dd94e93a52146be446be6095a96f1af53b13deab

  • SHA512

    067bb44a7871b2ea63780cc2a3ea01000d742490b1e65e3211fbd9f3c004d03002689a4575077cc6a34ff36af073897afad0d526f5fc9aecb05b491143370df6

  • SSDEEP

    24576:ubmYZg5hIgJsKsVWArhOX79ObyTUk9GgnAn1bij:w9JgEWymbTU1gk0j

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

C2

31.13.224.237:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-VETI36

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\preliminary drawing.exe
    "C:\Users\Admin\AppData\Local\Temp\preliminary drawing.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\preliminary drawing.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2920
    • C:\Users\Admin\AppData\Local\Temp\preliminary drawing.exe
      "C:\Users\Admin\AppData\Local\Temp\preliminary drawing.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2612-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2612-1-0x0000000001390000-0x000000000148C000-memory.dmp

    Filesize

    1008KB

  • memory/2612-2-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-3-0x0000000001270000-0x0000000001362000-memory.dmp

    Filesize

    968KB

  • memory/2612-4-0x0000000000780000-0x000000000079C000-memory.dmp

    Filesize

    112KB

  • memory/2612-5-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2612-6-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-7-0x0000000005560000-0x0000000005622000-memory.dmp

    Filesize

    776KB

  • memory/2612-30-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2684-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-10-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-8-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2684-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB