Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 01:02

General

  • Target

    2208413971.exe

  • Size

    10KB

  • MD5

    96509ab828867d81c1693b614b22f41d

  • SHA1

    c5f82005dbda43cedd86708cc5fc3635a781a67e

  • SHA256

    a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

  • SHA512

    ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

  • SSDEEP

    96:vdHiIV5H6c10lqo9ZYAoQdVDCcJ+587tG6AuJxGE9btz2qhRC7tCEOhd1Q:vdHiQ5HV1wr9KA/J+izJxTZtzthyOhd

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 13 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 15 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\2208413971.exe
        "C:\Users\Admin\AppData\Local\Temp\2208413971.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Users\Admin\AppData\Local\Temp\2866612516.exe
          C:\Users\Admin\AppData\Local\Temp\2866612516.exe
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1820
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2880
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
        2⤵
          PID:2952
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3068
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1812
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe
          2⤵
            PID:1572
          • C:\Windows\System32\dwm.exe
            C:\Windows\System32\dwm.exe
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:2948
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {3673F1D8-859C-4CC2-87E2-00088E7D1906} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
            "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2732

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          21926d6cd1f2652cc3ff36d49dcafc3a

          SHA1

          44753db3c27f2fbfdfba39d4c573d0031ab3ee04

          SHA256

          58dc74434f3ab5ea8794230a6f9ffa087e7c526adcfcbeceda64334abe66ef36

          SHA512

          09c50d3cbf8cdaad8b1816a5db3e097df077ab56d51f0d9ab1f699c18e21c3d90d4069f453f060680b0c18621557ef5f61a6b97dc885e41acd11f36e5a391875

        • \Users\Admin\AppData\Local\Temp\2866612516.exe

          Filesize

          5.6MB

          MD5

          13b26b2c7048a92d6a843c1302618fad

          SHA1

          89c2dfc01ac12ef2704c7669844ec69f1700c1ca

          SHA256

          1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

          SHA512

          d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

        • memory/1572-37-0x0000000140000000-0x0000000140029000-memory.dmp

          Filesize

          164KB

        • memory/1572-39-0x0000000140000000-0x0000000140029000-memory.dmp

          Filesize

          164KB

        • memory/1820-20-0x000000013FF90000-0x0000000140527000-memory.dmp

          Filesize

          5.6MB

        • memory/2732-35-0x000000013FCD0000-0x0000000140267000-memory.dmp

          Filesize

          5.6MB

        • memory/2892-14-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-15-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-16-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-17-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-13-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-11-0x0000000001F10000-0x0000000001F18000-memory.dmp

          Filesize

          32KB

        • memory/2892-12-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2892-10-0x000000001B610000-0x000000001B8F2000-memory.dmp

          Filesize

          2.9MB

        • memory/2892-9-0x000007FEF5B0E000-0x000007FEF5B0F000-memory.dmp

          Filesize

          4KB

        • memory/2948-36-0x0000000000040000-0x0000000000060000-memory.dmp

          Filesize

          128KB

        • memory/2948-52-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-60-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-40-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-58-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-42-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-44-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-46-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-48-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-50-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-38-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-54-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/2948-56-0x0000000140000000-0x00000001407EF000-memory.dmp

          Filesize

          7.9MB

        • memory/3068-29-0x000000001B550000-0x000000001B832000-memory.dmp

          Filesize

          2.9MB

        • memory/3068-30-0x0000000002030000-0x0000000002038000-memory.dmp

          Filesize

          32KB