Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 02:57

Errors

Reason
Machine shutdown

General

  • Target

    86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe

  • Size

    928KB

  • MD5

    04d4d4d83e1601d220f83f09ae16cd79

  • SHA1

    4f0a7d8060399a7ae5029690bdee2bf3b2e3e395

  • SHA256

    86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8

  • SHA512

    87747374bd1c72c9d33d2af9e7456617c95e6c100788f16123bf15cb1c6748a13ad1ac9b5a967553fdf668ea226033a741c08f45febc2130a7e50ccabe69333c

  • SSDEEP

    24576:bhdtlx9EP2aKUQ6/FfCH1bGl4rg5YWNexNBpqod:bhdrY+aPQiFgDWcxNzqi

Malware Config

Extracted

Family

remcos

Botnet

AUG 26

C2

sungito2.ddns.net:6509

154.216.19.222:5532

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-LXAZN2

  • 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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
    "C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.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:2684
    • 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\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:316
    • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
      "C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
      2⤵
        PID:1516
      • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
        "C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
          C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe /stext "C:\Users\Admin\AppData\Local\Temp\txzqeoktw"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:3920
        • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
          C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe /stext "C:\Users\Admin\AppData\Local\Temp\danifhvvkbhr"
          3⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:2372
        • C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe
          C:\Users\Admin\AppData\Local\Temp\86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8.exe /stext "C:\Users\Admin\AppData\Local\Temp\oustfzgoyjzepoc"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qfpc4tru.e24.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\txzqeoktw

      Filesize

      4KB

      MD5

      c0ab2847671ed5375328c5127a02cc72

      SHA1

      dc2bcb51562fb17e5c8787833bc0181d88a5b75e

      SHA256

      e961f466a0638bc99182d0056245e2d8bf1ccc13a189b802aada981f379e2384

      SHA512

      0b8b634d21ac71e02cef86687bf84b6fcecfd24dafab8130f42ce8b4b3f308a2e1b1fa7bf8d37f2eda76efae2b30b8d39f41d808d771562d8545ed144241924f

    • memory/316-72-0x0000000006DA0000-0x0000000006E43000-memory.dmp

      Filesize

      652KB

    • memory/316-89-0x00000000071F0000-0x00000000071F8000-memory.dmp

      Filesize

      32KB

    • memory/316-61-0x0000000071A10000-0x0000000071A5C000-memory.dmp

      Filesize

      304KB

    • memory/316-86-0x0000000007100000-0x000000000710E000-memory.dmp

      Filesize

      56KB

    • memory/316-60-0x0000000006180000-0x00000000061B2000-memory.dmp

      Filesize

      200KB

    • memory/316-78-0x00000000070D0000-0x00000000070E1000-memory.dmp

      Filesize

      68KB

    • memory/316-77-0x0000000007150000-0x00000000071E6000-memory.dmp

      Filesize

      600KB

    • memory/316-47-0x0000000005C40000-0x0000000005C8C000-memory.dmp

      Filesize

      304KB

    • memory/316-75-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

      Filesize

      104KB

    • memory/316-73-0x0000000007510000-0x0000000007B8A000-memory.dmp

      Filesize

      6.5MB

    • memory/316-92-0x00000000752B0000-0x0000000075A60000-memory.dmp

      Filesize

      7.7MB

    • memory/316-71-0x0000000006D70000-0x0000000006D8E000-memory.dmp

      Filesize

      120KB

    • memory/316-87-0x0000000007110000-0x0000000007124000-memory.dmp

      Filesize

      80KB

    • memory/316-88-0x0000000007210000-0x000000000722A000-memory.dmp

      Filesize

      104KB

    • memory/316-76-0x0000000006F40000-0x0000000006F4A000-memory.dmp

      Filesize

      40KB

    • memory/316-46-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

      Filesize

      120KB

    • memory/316-21-0x00000000752BE000-0x00000000752BF000-memory.dmp

      Filesize

      4KB

    • memory/316-22-0x0000000000E40000-0x0000000000E76000-memory.dmp

      Filesize

      216KB

    • memory/316-23-0x0000000004E50000-0x0000000005478000-memory.dmp

      Filesize

      6.2MB

    • memory/316-39-0x00000000056D0000-0x0000000005A24000-memory.dmp

      Filesize

      3.3MB

    • memory/316-25-0x0000000004C00000-0x0000000004C22000-memory.dmp

      Filesize

      136KB

    • memory/316-32-0x0000000005560000-0x00000000055C6000-memory.dmp

      Filesize

      408KB

    • memory/316-34-0x00000000752B0000-0x0000000075A60000-memory.dmp

      Filesize

      7.7MB

    • memory/316-26-0x00000000054F0000-0x0000000005556000-memory.dmp

      Filesize

      408KB

    • memory/316-35-0x00000000752B0000-0x0000000075A60000-memory.dmp

      Filesize

      7.7MB

    • memory/944-19-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-84-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/944-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-40-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-42-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-45-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-96-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-95-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-94-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-85-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-83-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/944-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-80-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/944-11-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-15-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/944-18-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1208-54-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1208-56-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1208-55-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2372-49-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2372-51-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2372-52-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2684-9-0x0000000005FA0000-0x0000000006060000-memory.dmp

      Filesize

      768KB

    • memory/2684-5-0x0000000004D70000-0x0000000004D7A000-memory.dmp

      Filesize

      40KB

    • memory/2684-0-0x000000007521E000-0x000000007521F000-memory.dmp

      Filesize

      4KB

    • memory/2684-8-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2684-20-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2684-10-0x0000000006260000-0x00000000062FC000-memory.dmp

      Filesize

      624KB

    • memory/2684-6-0x0000000007A50000-0x0000000007A68000-memory.dmp

      Filesize

      96KB

    • memory/2684-7-0x000000007521E000-0x000000007521F000-memory.dmp

      Filesize

      4KB

    • memory/2684-4-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2684-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

      Filesize

      584KB

    • memory/2684-2-0x00000000053C0000-0x0000000005964000-memory.dmp

      Filesize

      5.6MB

    • memory/2684-1-0x0000000000290000-0x000000000037A000-memory.dmp

      Filesize

      936KB

    • memory/3920-50-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3920-48-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3920-53-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB