Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 12:50

General

  • Target

    WinLock.exe

  • Size

    444KB

  • MD5

    4eb529d4d5c6eb41e4b4c3827fcde02f

  • SHA1

    9b8c561a8185c37ec87d91f9a5200786e468207e

  • SHA256

    534dfe46d8f1d00d8a2d7024dde228f328ab2dc4ef948b3da17f0849e08d22d8

  • SHA512

    26e2312b4bcae48a22d37fdad0ac70c024676cb3f968fde032a31779fbe10a5f981bd7589b198f14c8b7eeefba4ad0d6bf13e64079da835deb5236601a876141

  • SSDEEP

    12288:/F2itC7rxZjmoXuaiHi/Xy3I3sBmy1CLoMavQ9mH:tHSZqoXuWPzloMaI9w

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • 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.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 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 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinLock.exe
    "C:\Users\Admin\AppData\Local\Temp\WinLock.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Event Triggered Execution: Image File Execution Options Injection
    • Checks computer location settings
    • Windows security modification
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2972
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "GoogleUpdateTaskMachineUK" /sc MINUTE /mo 1 /tr "C:\Users\Admin\AppData\Local\Temp\WinLock.exe" /rl HIGHEST /f
      2⤵
        PID:2820
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\WinLock.exe'"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:936
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
        PID:2596

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_asqgss1r.vum.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/936-16-0x00007FFB37970000-0x00007FFB38431000-memory.dmp

        Filesize

        10.8MB

      • memory/936-21-0x00007FFB37970000-0x00007FFB38431000-memory.dmp

        Filesize

        10.8MB

      • memory/936-17-0x00007FFB37970000-0x00007FFB38431000-memory.dmp

        Filesize

        10.8MB

      • memory/936-3-0x00007FFB37973000-0x00007FFB37975000-memory.dmp

        Filesize

        8KB

      • memory/936-13-0x000001C442460000-0x000001C442482000-memory.dmp

        Filesize

        136KB

      • memory/2972-32-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-95-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-18-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-1-0x0000000000593000-0x0000000000594000-memory.dmp

        Filesize

        4KB

      • memory/2972-26-0x0000000000593000-0x0000000000594000-memory.dmp

        Filesize

        4KB

      • memory/2972-29-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-0-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-53-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-74-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-2-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-116-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-137-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-160-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-181-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-202-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-223-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-242-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-263-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-284-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

      • memory/2972-305-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB