Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 13:18

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 12 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 17 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 50 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:1492
    • 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:1080
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3396
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:2516
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1752
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:3244
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:3060
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:4956
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:4328
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2980
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4380
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1668
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4272
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "Microsoft"
        2⤵
        • Launches sc.exe
        PID:2616
      • 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:4880
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:4780
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "Microsoft"
        2⤵
        • Launches sc.exe
        PID:3932
    • 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:1452
      • 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:4084
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4828
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4384
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:4268
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:4312
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:1640
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:3256
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:2676
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2252
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2432
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1424
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4008
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1232
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4776

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        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_fgcqgq0j.2qb.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1080-11-0x00007FFB82A50000-0x00007FFB83511000-memory.dmp

          Filesize

          10.8MB

        • memory/1080-12-0x00007FFB82A50000-0x00007FFB83511000-memory.dmp

          Filesize

          10.8MB

        • memory/1080-15-0x00007FFB82A50000-0x00007FFB83511000-memory.dmp

          Filesize

          10.8MB

        • memory/1080-10-0x0000028EB4260000-0x0000028EB4282000-memory.dmp

          Filesize

          136KB

        • memory/1080-0-0x00007FFB82A53000-0x00007FFB82A55000-memory.dmp

          Filesize

          8KB

        • memory/1232-52-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1232-55-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1232-48-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1232-49-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1232-50-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1232-51-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4084-40-0x0000023FD4E20000-0x0000023FD4E3C000-memory.dmp

          Filesize

          112KB

        • memory/4084-44-0x0000023FD4E40000-0x0000023FD4E46000-memory.dmp

          Filesize

          24KB

        • memory/4084-45-0x0000023FD4E50000-0x0000023FD4E5A000-memory.dmp

          Filesize

          40KB

        • memory/4084-43-0x0000023FD4E10000-0x0000023FD4E18000-memory.dmp

          Filesize

          32KB

        • memory/4084-42-0x0000023FD4E60000-0x0000023FD4E7A000-memory.dmp

          Filesize

          104KB

        • memory/4084-41-0x0000023FD4E00000-0x0000023FD4E0A000-memory.dmp

          Filesize

          40KB

        • memory/4084-39-0x0000023FD4BD0000-0x0000023FD4BDA000-memory.dmp

          Filesize

          40KB

        • memory/4084-38-0x0000023FD4C00000-0x0000023FD4CB5000-memory.dmp

          Filesize

          724KB

        • memory/4084-37-0x0000023FD4BE0000-0x0000023FD4BFC000-memory.dmp

          Filesize

          112KB

        • memory/4776-68-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-60-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-62-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-66-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-57-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-67-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-65-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-64-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-61-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-63-0x0000000000F70000-0x0000000000F90000-memory.dmp

          Filesize

          128KB

        • memory/4776-59-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-58-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-56-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-69-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-70-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-71-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-72-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4776-73-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB