Analysis

  • user interaction
    yes
  • max time kernel
    120s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/04/2026, 05:59

General

  • Target
    ok.exe
  • Size 2.5MB
  • Sample260429-gp3npscw4m
  • SHA256 5279fb704d726900193d1c90c993567a4ed6140e76cf725e60a31a2e62bdc288
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

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

  • XMRig Miner payload 9 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 2 IoCs
  • Stops running service(s) 4 TTPs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Power Settings 1 TTPs 12 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 7 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 14 IoCs

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

  • Launches sc.exe 4 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ok.exe
    "C:\Users\Admin\AppData\Local\Temp\ok.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:5048
    • 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:4128
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3660
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:3424
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1896
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1476
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4584
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4592
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "Ok"
        2⤵
        • Launches sc.exe
        PID:3532
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "Ok" binpath= "C:\ProgramData\Ok\main.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:2352
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:60
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "Ok"
        2⤵
        • Launches sc.exe
        PID:4036
    • C:\ProgramData\Ok\main.exe
      C:\ProgramData\Ok\main.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4524
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3432
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:3840
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1696
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4996
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3776
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2964
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:2840
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • Drops file in System32 directory
              • Modifies data under HKEY_USERS
              • Suspicious use of AdjustPrivilegeToken
              PID:2224
            • C:\ProgramData\Ok\main.exe
              "C:\ProgramData\Ok\main.exe"
              3⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              PID:3040
              • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
                C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
                4⤵
                • Command and Scripting Interpreter: PowerShell
                • Drops file in System32 directory
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:3028
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3936
                • C:\Windows\system32\wusa.exe
                  wusa /uninstall /kb:890830 /quiet /norestart
                  5⤵
                    PID:2960
                • C:\Windows\system32\powercfg.exe
                  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
                  4⤵
                  • Power Settings
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1540
                • C:\Windows\system32\powercfg.exe
                  C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
                  4⤵
                  • Power Settings
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4524
                • C:\Windows\system32\powercfg.exe
                  C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
                  4⤵
                  • Power Settings
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2944
                • C:\Windows\system32\powercfg.exe
                  C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
                  4⤵
                  • Power Settings
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2516
            • C:\Windows\system32\svchost.exe
              svchost.exe
              2⤵
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2376
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:2848

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  main.exe

                  • Path C:\ProgramData\Ok\main.exe
                  • Size 2.5MB
                  • SHA256 5279fb704d726900193d1c90c993567a4ed6140e76cf725e60a31a2e62bdc288
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  __PSScriptPolicyTest_iehdil3j.m13.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iehdil3j.m13.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  hpcpqvtvglpb.sys

                  • Path C:\Windows\TEMP\hpcpqvtvglpb.sys
                  • Size 14KB
                  • SHA256 11bd2c9f9e2397c9a16e0990e4ed2cf0679498fe0fd418a3dfdac60b5c160ee5
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  powershell.exe.log

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  • Size 4KB
                  • SHA256 e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 c5d3b1b166bd89639fb4caa37de6a3a48bcafe0a5cbff2bde11e116fcfe9dd5e
                  • MD5 SHA1 SHA512 TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 dec9e943b9c8fbc1f5e3b46434f24dea0ae3fa798fa5ac9182b2acfa6f67d5d9
                  • MD5 SHA1 SHA512 TLSH

                  memory/2224-85-0x0000012143B10000-0x0000012143BC5000-memory.dmp

                  memory/2224-88-0x000001212B000000-0x000001212B00C000-memory.dmp

                  memory/2224-87-0x000001212AF80000-0x000001212AFD5000-memory.dmp

                  memory/2376-55-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-62-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-107-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-54-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-56-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-57-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-58-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-106-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-63-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-59-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-61-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-65-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-64-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2376-60-0x0000029733BA0000-0x0000029733BC0000-memory.dmp

                  memory/2376-53-0x0000000140000000-0x0000000140848000-memory.dmp

                  memory/2840-52-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2840-48-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2840-49-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2840-45-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2840-47-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2840-46-0x0000000140000000-0x000000014000D000-memory.dmp

                  memory/2848-67-0x00000285698E0000-0x0000028569935000-memory.dmp

                  memory/2960-113-0x000001756F5A0000-0x000001756F5F5000-memory.dmp

                  memory/3028-109-0x0000027340860000-0x00000273408B5000-memory.dmp

                  memory/3028-110-0x00000273404A0000-0x00000273404AC000-memory.dmp

                  memory/3424-14-0x000001E8F2500000-0x000001E8F2555000-memory.dmp

                  memory/3840-66-0x00000153FB660000-0x00000153FB6B5000-memory.dmp

                  memory/4128-1-0x0000027055E90000-0x0000027055EA0000-memory.dmp

                  memory/4128-2-0x0000027056040000-0x0000027056062000-memory.dmp

                  memory/4128-12-0x000002703C050000-0x000002703C0A5000-memory.dmp

                  memory/4128-0-0x0000027055E90000-0x0000027055EA0000-memory.dmp

                  memory/4128-13-0x000002703C0F0000-0x000002703C0FC000-memory.dmp

                  memory/4524-36-0x0000018273D20000-0x0000018273D2A000-memory.dmp

                  memory/4524-33-0x0000018273B10000-0x0000018273BC5000-memory.dmp

                  memory/4524-32-0x0000018273AF0000-0x0000018273B0C000-memory.dmp

                  memory/4524-34-0x0000018273BD0000-0x0000018273BDA000-memory.dmp

                  memory/4524-35-0x0000018273D40000-0x0000018273D5C000-memory.dmp

                  memory/4524-37-0x0000018273D80000-0x0000018273D9A000-memory.dmp

                  memory/4524-38-0x0000018273D30000-0x0000018273D38000-memory.dmp

                  memory/4524-39-0x0000018273D60000-0x0000018273D66000-memory.dmp

                  memory/4524-40-0x0000018273D70000-0x0000018273D7A000-memory.dmp

                  memory/4524-43-0x000001825AF30000-0x000001825AF85000-memory.dmp

                  memory/4524-44-0x000001825AFF0000-0x000001825AFFC000-memory.dmp