Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 02:10

General

  • Target

    224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5.exe

  • Size

    1.2MB

  • MD5

    0e43d0bcdb55ef41cc9e2d4801e7c27f

  • SHA1

    2dbb0488aaf9fb38a190fbd29a8c1d1e652138e1

  • SHA256

    224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5

  • SHA512

    96c2a1dfd0c56c98ec81016553d0fec248aad2886ae2dd7a90964cb509a9862a48a8cbac19689f1850cf6099a496d9e829701646b5c6675c7800df653b7d7a9d

  • SSDEEP

    24576:6Mvntm93k/PFrLuhNoGHCstvZW+N4od77iyziq7z+bOrwQtE86t:6Sm93UFrWCstvwg4od2yuqCbOrBy

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.245.123.14:2404

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-3DXQCZ

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5.exe
    "C:\Users\Admin\AppData\Local\Temp\224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SnELYcvsaaa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SnELYcvsaaa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1613.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4364
    • C:\Users\Admin\AppData\Local\Temp\224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5.exe
      "C:\Users\Admin\AppData\Local\Temp\224c47ef077b428bd96989875e00573896c4f487f1ac78a6baa81e1741d7e5d5.exe"
      2⤵
        PID:1976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skekqq3j.kin.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1613.tmp

      Filesize

      1KB

      MD5

      1be52b84595dc747bc4a0458548c6994

      SHA1

      27ed1ca51344b9ed25992e3d3410fecdaefea09e

      SHA256

      56788165f97bdbc7f5f59dd6306788153b1116f573d6b917c94edcd521c579d1

      SHA512

      4220373a75c7df6b5932d1ecb72be3c1f747126bcb1ce24382170a1dbc5f78b237e77e68dbcc0d26fa7262a16dec0547907768ed5e8bbaac5e1706e1238307be

    • memory/1976-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-75-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-74-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-73-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-78-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-70-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-69-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/1976-79-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2448-17-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-60-0x0000000007490000-0x0000000007526000-memory.dmp

      Filesize

      600KB

    • memory/2448-24-0x0000000005030000-0x0000000005096000-memory.dmp

      Filesize

      408KB

    • memory/2448-23-0x0000000004FC0000-0x0000000005026000-memory.dmp

      Filesize

      408KB

    • memory/2448-20-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-19-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-18-0x0000000005280000-0x00000000058A8000-memory.dmp

      Filesize

      6.2MB

    • memory/2448-68-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-16-0x0000000000D30000-0x0000000000D66000-memory.dmp

      Filesize

      216KB

    • memory/2448-65-0x0000000007530000-0x0000000007538000-memory.dmp

      Filesize

      32KB

    • memory/2448-42-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

      Filesize

      120KB

    • memory/2448-43-0x0000000005F20000-0x0000000005F6C000-memory.dmp

      Filesize

      304KB

    • memory/2448-44-0x00000000064C0000-0x00000000064F2000-memory.dmp

      Filesize

      200KB

    • memory/2448-45-0x0000000075A60000-0x0000000075AAC000-memory.dmp

      Filesize

      304KB

    • memory/2448-55-0x00000000064A0000-0x00000000064BE000-memory.dmp

      Filesize

      120KB

    • memory/2448-56-0x0000000006ED0000-0x0000000006F73000-memory.dmp

      Filesize

      652KB

    • memory/2448-58-0x0000000007210000-0x000000000722A000-memory.dmp

      Filesize

      104KB

    • memory/2448-57-0x0000000007860000-0x0000000007EDA000-memory.dmp

      Filesize

      6.5MB

    • memory/2448-59-0x0000000007280000-0x000000000728A000-memory.dmp

      Filesize

      40KB

    • memory/2448-22-0x0000000004E20000-0x0000000004E42000-memory.dmp

      Filesize

      136KB

    • memory/2448-61-0x0000000007410000-0x0000000007421000-memory.dmp

      Filesize

      68KB

    • memory/2448-62-0x0000000007440000-0x000000000744E000-memory.dmp

      Filesize

      56KB

    • memory/2448-63-0x0000000007450000-0x0000000007464000-memory.dmp

      Filesize

      80KB

    • memory/2448-64-0x0000000007550000-0x000000000756A000-memory.dmp

      Filesize

      104KB

    • memory/3348-7-0x0000000005810000-0x00000000058AC000-memory.dmp

      Filesize

      624KB

    • memory/3348-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

      Filesize

      4KB

    • memory/3348-11-0x0000000006340000-0x0000000006404000-memory.dmp

      Filesize

      784KB

    • memory/3348-10-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/3348-9-0x00000000751DE000-0x00000000751DF000-memory.dmp

      Filesize

      4KB

    • memory/3348-8-0x0000000005710000-0x0000000005722000-memory.dmp

      Filesize

      72KB

    • memory/3348-40-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/3348-6-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/3348-5-0x0000000005720000-0x000000000572A000-memory.dmp

      Filesize

      40KB

    • memory/3348-4-0x0000000005FE0000-0x0000000006334000-memory.dmp

      Filesize

      3.3MB

    • memory/3348-3-0x0000000005520000-0x00000000055B2000-memory.dmp

      Filesize

      584KB

    • memory/3348-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

      Filesize

      5.6MB

    • memory/3348-1-0x0000000000990000-0x0000000000ACE000-memory.dmp

      Filesize

      1.2MB