Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 04:10

General

  • Target

    CriticalFiles/SNInstallerHandler.exe

  • Size

    2.5MB

  • MD5

    962b890f95429f93e9e56f35d3208e59

  • SHA1

    a98559becdf6981f7335666418d5f35eef3bae34

  • SHA256

    2a97972bc0c3af489e1b551b995c198444785d5007930b6d0de8e6d5d025e868

  • SHA512

    e5aff298bd48e1c686ec527d3bf40f0a85e584ab0807c749b862f133171ab38835bfe95ba1d64ec2ece019d7f1fe64dbe5c7fa4685ab614a180fd61070acc8af

  • SSDEEP

    49152:OCC81n43bykG2YFwoFV5LDo25gixiDX5cde4UJkDDtCbPGGG:OCB1sGkG2uwoFbLFeX50LUJkUDGG

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CriticalFiles\SNInstallerHandler.exe
    "C:\Users\Admin\AppData\Local\Temp\CriticalFiles\SNInstallerHandler.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:912
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:744
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:1208
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:3248
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:3388
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:4860
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:4324
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:996
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:5096
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3232
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3892
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3416
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "Microsoft"
        2⤵
        • Launches sc.exe
        PID:4800
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "Microsoft" binpath= "C:\ProgramData\Non-Delete-Critical-files\CoinService.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:1700
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:3436
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "Microsoft"
        2⤵
        • Launches sc.exe
        PID:2932
    • C:\ProgramData\Non-Delete-Critical-files\CoinService.exe
      C:\ProgramData\Non-Delete-Critical-files\CoinService.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3000
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:800
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:1816
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:2556
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:4936
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:2516
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:3680
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4232
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4224
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1136
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3804
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1092
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1048

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Non-Delete-Critical-files\CoinService.exe
          Filesize

          2.5MB

          MD5

          962b890f95429f93e9e56f35d3208e59

          SHA1

          a98559becdf6981f7335666418d5f35eef3bae34

          SHA256

          2a97972bc0c3af489e1b551b995c198444785d5007930b6d0de8e6d5d025e868

          SHA512

          e5aff298bd48e1c686ec527d3bf40f0a85e584ab0807c749b862f133171ab38835bfe95ba1d64ec2ece019d7f1fe64dbe5c7fa4685ab614a180fd61070acc8af

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5feswt3h.dpd.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/744-0-0x00007FF980EF3000-0x00007FF980EF5000-memory.dmp
          Filesize

          8KB

        • memory/744-1-0x0000021CCEBD0000-0x0000021CCEBF2000-memory.dmp
          Filesize

          136KB

        • memory/744-11-0x00007FF980EF0000-0x00007FF9819B1000-memory.dmp
          Filesize

          10.8MB

        • memory/744-12-0x00007FF980EF0000-0x00007FF9819B1000-memory.dmp
          Filesize

          10.8MB

        • memory/744-15-0x00007FF980EF0000-0x00007FF9819B1000-memory.dmp
          Filesize

          10.8MB

        • memory/744-16-0x00007FF980EF0000-0x00007FF9819B1000-memory.dmp
          Filesize

          10.8MB

        • memory/1048-64-0x0000000000F00000-0x0000000000F20000-memory.dmp
          Filesize

          128KB

        • memory/1048-57-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-70-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-60-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-62-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-63-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-65-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-68-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-66-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-67-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-58-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-59-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-61-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1048-69-0x0000000140000000-0x0000000140848000-memory.dmp
          Filesize

          8.3MB

        • memory/1092-53-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/1092-49-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/1092-50-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/1092-56-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/1092-51-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/1092-52-0x0000000140000000-0x000000014000E000-memory.dmp
          Filesize

          56KB

        • memory/3000-46-0x000001815C510000-0x000001815C51A000-memory.dmp
          Filesize

          40KB

        • memory/3000-41-0x000001815C4E0000-0x000001815C4FC000-memory.dmp
          Filesize

          112KB

        • memory/3000-39-0x000001815C2C0000-0x000001815C375000-memory.dmp
          Filesize

          724KB

        • memory/3000-42-0x000001815C4C0000-0x000001815C4CA000-memory.dmp
          Filesize

          40KB

        • memory/3000-38-0x000001815C2A0000-0x000001815C2BC000-memory.dmp
          Filesize

          112KB

        • memory/3000-44-0x000001815C4D0000-0x000001815C4D8000-memory.dmp
          Filesize

          32KB

        • memory/3000-45-0x000001815C500000-0x000001815C506000-memory.dmp
          Filesize

          24KB

        • memory/3000-43-0x000001815C520000-0x000001815C53A000-memory.dmp
          Filesize

          104KB

        • memory/3000-40-0x000001815C290000-0x000001815C29A000-memory.dmp
          Filesize

          40KB