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Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2024, 09:37

General

  • Target

    SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe

  • Size

    950KB

  • MD5

    b8896a4d1adbefcc7fe4cac53b134968

  • SHA1

    e7a68f4c1ac47ecc6cc43b12dc82651cff63f670

  • SHA256

    7815d02dd41dd657438b4b226f4ac1a33d6a37159e34448627088e1354f9ab69

  • SHA512

    408cca545c8556b6191629d40ac69a25a2396e90b1daa74780bf5eec62abf908413836087fb45c48205cd35acd653884fb958cecdd3a25f487b1c3b864e10e83

  • SSDEEP

    24576:1q7ngtNkKoxK5AP2EwiRcsgL5UNs3hpJB3FcU8Q:g7g7kKoKAOEF8UNYhpJ5F/8Q

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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

    765-8M14I5

  • 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

Signatures

  • Remcos

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

  • 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 4 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.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:1140
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bmkNCLNkqvOpVZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bmkNCLNkqvOpVZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8C1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3228
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe"
      2⤵
        PID:3948
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.21416.15434.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0222kbj2.sj0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB8C1.tmp

      Filesize

      1KB

      MD5

      76701ac3a92f9726a1bf2cd4e21f8cef

      SHA1

      ce7b82aa13febc5376e72de8a9fdf37a90b7760b

      SHA256

      ba9eb5bdd17ad48f038e45c9e0ad1502c1a146f8d69442fcc9db26139090642e

      SHA512

      22153682da10ed7646bc1c1137a59ec62910d06b443cc9e06ba3f9abe322e83e695df6a0fb14832f2d21d458666360824747c3edd5be0c29ff64d98f28d8b3a6

    • memory/1140-6-0x0000000007FF0000-0x0000000008008000-memory.dmp

      Filesize

      96KB

    • memory/1140-3-0x00000000052E0000-0x0000000005372000-memory.dmp

      Filesize

      584KB

    • memory/1140-4-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1140-5-0x0000000005390000-0x000000000539A000-memory.dmp

      Filesize

      40KB

    • memory/1140-2-0x0000000005890000-0x0000000005E34000-memory.dmp

      Filesize

      5.6MB

    • memory/1140-7-0x000000007476E000-0x000000007476F000-memory.dmp

      Filesize

      4KB

    • memory/1140-8-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/1140-9-0x0000000006470000-0x000000000652E000-memory.dmp

      Filesize

      760KB

    • memory/1140-10-0x0000000006730000-0x00000000067CC000-memory.dmp

      Filesize

      624KB

    • memory/1140-0-0x000000007476E000-0x000000007476F000-memory.dmp

      Filesize

      4KB

    • memory/1140-1-0x0000000000820000-0x0000000000914000-memory.dmp

      Filesize

      976KB

    • memory/1140-41-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/3624-78-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-80-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-75-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-79-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-81-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-74-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-24-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-82-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3624-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4944-22-0x0000000004D80000-0x0000000004DE6000-memory.dmp

      Filesize

      408KB

    • memory/4944-43-0x0000000005FC0000-0x000000000600C000-memory.dmp

      Filesize

      304KB

    • memory/4944-49-0x0000000006BF0000-0x0000000006C22000-memory.dmp

      Filesize

      200KB

    • memory/4944-50-0x0000000074FF0000-0x000000007503C000-memory.dmp

      Filesize

      304KB

    • memory/4944-60-0x00000000061F0000-0x000000000620E000-memory.dmp

      Filesize

      120KB

    • memory/4944-61-0x0000000006C30000-0x0000000006CD3000-memory.dmp

      Filesize

      652KB

    • memory/4944-62-0x00000000075A0000-0x0000000007C1A000-memory.dmp

      Filesize

      6.5MB

    • memory/4944-63-0x0000000006F60000-0x0000000006F7A000-memory.dmp

      Filesize

      104KB

    • memory/4944-64-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

      Filesize

      40KB

    • memory/4944-65-0x00000000071E0000-0x0000000007276000-memory.dmp

      Filesize

      600KB

    • memory/4944-66-0x0000000007160000-0x0000000007171000-memory.dmp

      Filesize

      68KB

    • memory/4944-67-0x0000000007190000-0x000000000719E000-memory.dmp

      Filesize

      56KB

    • memory/4944-68-0x00000000071A0000-0x00000000071B4000-memory.dmp

      Filesize

      80KB

    • memory/4944-69-0x00000000072A0000-0x00000000072BA000-memory.dmp

      Filesize

      104KB

    • memory/4944-70-0x0000000007280000-0x0000000007288000-memory.dmp

      Filesize

      32KB

    • memory/4944-73-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4944-42-0x0000000005C30000-0x0000000005C4E000-memory.dmp

      Filesize

      120KB

    • memory/4944-39-0x00000000055F0000-0x0000000005944000-memory.dmp

      Filesize

      3.3MB

    • memory/4944-23-0x0000000004DF0000-0x0000000004E56000-memory.dmp

      Filesize

      408KB

    • memory/4944-21-0x0000000004B60000-0x0000000004B82000-memory.dmp

      Filesize

      136KB

    • memory/4944-20-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4944-17-0x0000000004EA0000-0x00000000054C8000-memory.dmp

      Filesize

      6.2MB

    • memory/4944-18-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4944-16-0x0000000074760000-0x0000000074F10000-memory.dmp

      Filesize

      7.7MB

    • memory/4944-15-0x0000000000D10000-0x0000000000D46000-memory.dmp

      Filesize

      216KB