Analysis

  • max time kernel
    1800s
  • max time network
    1776s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 18:02

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 18 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 23 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:940
    • 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:4936
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:2592
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:3132
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:3924
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1920
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:4180
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:4140
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1800
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:560
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3456
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2964
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "Microsoft"
        2⤵
        • Launches sc.exe
        PID:4580
      • 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:5024
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:3140
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "Microsoft"
        2⤵
        • Launches sc.exe
        PID:4600
    • 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:1804
      • 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:3596
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4732
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:368
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:632
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:1332
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:1336
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:1968
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4744
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1500
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:696
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1660
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:2788
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1392

        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_uk1jnzpk.5xe.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1392-60-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-61-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-82-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-63-0x00000000013C0000-0x00000000013E0000-memory.dmp

          Filesize

          128KB

        • memory/1392-81-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-75-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-73-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-72-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-71-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-70-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-58-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-69-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-66-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-56-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-78-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-57-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-59-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-77-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-62-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-64-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-65-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-79-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-67-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1392-68-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2788-55-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2788-52-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2788-48-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2788-49-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2788-50-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2788-51-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3596-45-0x0000018EA10A0000-0x0000018EA10AA000-memory.dmp

          Filesize

          40KB

        • memory/3596-42-0x0000018EA10B0000-0x0000018EA10CA000-memory.dmp

          Filesize

          104KB

        • memory/3596-44-0x0000018EA1090000-0x0000018EA1096000-memory.dmp

          Filesize

          24KB

        • memory/3596-43-0x0000018EA1060000-0x0000018EA1068000-memory.dmp

          Filesize

          32KB

        • memory/3596-41-0x0000018EA1050000-0x0000018EA105A000-memory.dmp

          Filesize

          40KB

        • memory/3596-40-0x0000018EA1070000-0x0000018EA108C000-memory.dmp

          Filesize

          112KB

        • memory/3596-39-0x0000018EA0E20000-0x0000018EA0E2A000-memory.dmp

          Filesize

          40KB

        • memory/3596-38-0x0000018EA0E50000-0x0000018EA0F05000-memory.dmp

          Filesize

          724KB

        • memory/3596-37-0x0000018EA0E30000-0x0000018EA0E4C000-memory.dmp

          Filesize

          112KB

        • memory/4936-15-0x00007FFC66BF0000-0x00007FFC676B1000-memory.dmp

          Filesize

          10.8MB

        • memory/4936-0-0x00007FFC66BF3000-0x00007FFC66BF5000-memory.dmp

          Filesize

          8KB

        • memory/4936-11-0x00007FFC66BF0000-0x00007FFC676B1000-memory.dmp

          Filesize

          10.8MB

        • memory/4936-10-0x000001F9D1360000-0x000001F9D1382000-memory.dmp

          Filesize

          136KB

        • memory/4936-12-0x00007FFC66BF0000-0x00007FFC676B1000-memory.dmp

          Filesize

          10.8MB