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
    1798s
  • max time network
    1784s
  • 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/XJEzW6M7WvHaF3EX.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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3480
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\XJEzW6M7WvHaF3EX.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\XJEzW6M7WvHaF3EX.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1132
      • 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:3336
      • 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:4388
      • 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\XJEzW6M7WvHaF3EX.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4324
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2860
        • 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:2236
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:1188
          • 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:2960
          • 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:432
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:4500
          • 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:3128
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:1772
          • 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:3836
          • 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:4680
            • 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:1632

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 940KB
                • SHA256 73b7e146ca2cb84e4475b3787b684d6b2694cd44766328fc9cc564a6a41e359a
                • 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 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 944B
                • SHA256 18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 f313df10f67103a0652cc0c596cd85403f46a98240a886e375b07f436409000a
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_qk2j30a1.yfd.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qk2j30a1.yfd.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/432-109-0x000001CA93810000-0x000001CA93820000-memory.dmp

                memory/432-108-0x000001CA93810000-0x000001CA93820000-memory.dmp

                memory/432-87-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/432-103-0x00007FF41F680000-0x00007FF41F690000-memory.dmp

                memory/432-111-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/1132-33-0x00007FF7BD550000-0x00007FF7BD761000-memory.dmp

                memory/1132-0-0x00007FF7BD550000-0x00007FF7BD761000-memory.dmp

                memory/2236-45-0x0000016164DE0000-0x0000016164DF0000-memory.dmp

                memory/2236-41-0x0000016164DE0000-0x0000016164DF0000-memory.dmp

                memory/2236-39-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/2236-49-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/2960-61-0x000001E1D1C30000-0x000001E1D1C40000-memory.dmp

                memory/2960-78-0x000001E1D4310000-0x000001E1D432A000-memory.dmp

                memory/2960-62-0x000001E1D1C30000-0x000001E1D1C40000-memory.dmp

                memory/2960-73-0x000001E1D1C30000-0x000001E1D1C40000-memory.dmp

                memory/2960-72-0x000001E1D1C00000-0x000001E1D1C1C000-memory.dmp

                memory/2960-74-0x000001E1D40B0000-0x000001E1D4165000-memory.dmp

                memory/2960-75-0x000001E1D1C20000-0x000001E1D1C2A000-memory.dmp

                memory/2960-76-0x000001E1D42D0000-0x000001E1D42EC000-memory.dmp

                memory/2960-77-0x000001E1D42B0000-0x000001E1D42BA000-memory.dmp

                memory/2960-60-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/2960-80-0x000001E1D42F0000-0x000001E1D42F6000-memory.dmp

                memory/2960-79-0x000001E1D42C0000-0x000001E1D42C8000-memory.dmp

                memory/2960-81-0x000001E1D4300000-0x000001E1D430A000-memory.dmp

                memory/2960-82-0x000001E1D1C30000-0x000001E1D1C40000-memory.dmp

                memory/2960-85-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/3336-15-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/3336-7-0x0000016E7FA50000-0x0000016E7FA72000-memory.dmp

                memory/3336-11-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/3336-12-0x0000016E7D730000-0x0000016E7D740000-memory.dmp

                memory/3836-150-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-142-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-188-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-116-0x0000025901680000-0x00000259016A0000-memory.dmp

                memory/3836-182-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-180-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-178-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-115-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-121-0x00000259017E0000-0x0000025901800000-memory.dmp

                memory/3836-176-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-123-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-124-0x0000025911E00000-0x0000025911E20000-memory.dmp

                memory/3836-125-0x0000025911E20000-0x0000025911E40000-memory.dmp

                memory/3836-127-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-174-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-129-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-130-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-132-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-134-0x0000025911E20000-0x0000025911E40000-memory.dmp

                memory/3836-133-0x0000025911E00000-0x0000025911E20000-memory.dmp

                memory/3836-136-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-138-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-140-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-172-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-144-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-146-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-148-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-170-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-152-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-154-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-156-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-158-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-160-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-162-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-164-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-166-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/3836-168-0x00007FF64D170000-0x00007FF64D964000-memory.dmp

                memory/4388-18-0x00000183BF2B0000-0x00000183BF2C0000-memory.dmp

                memory/4388-31-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/4388-29-0x00000183BF2B0000-0x00000183BF2C0000-memory.dmp

                memory/4388-17-0x00007FFCF4020000-0x00007FFCF4AE1000-memory.dmp

                memory/4500-128-0x00007FF6846B0000-0x00007FF6846C6000-memory.dmp

                memory/4500-122-0x00007FF6846B0000-0x00007FF6846C6000-memory.dmp

                memory/4680-50-0x00007FF7EC930000-0x00007FF7ECB41000-memory.dmp

                memory/4680-117-0x00007FF7EC930000-0x00007FF7ECB41000-memory.dmp