Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 19:39

General

  • Target
    0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917N.exe
  • Size 5.6MB
  • Sample241109-ydc3cazmcs
  • SHA256 0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 12 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 1 IoCs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 17 IoCs

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

  • Launches sc.exe 14 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917N.exe
    "C:\Users\Admin\AppData\Local\Temp\0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2864
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4104
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:4948
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:2252
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:1648
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:3196
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2944
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2720
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4908
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1192
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3536
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4608
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:2860
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:3960
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:2340
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:1660
      • 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\0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917N.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5028
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2392
      • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
        C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
        1⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3408
        • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:456
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:352
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            3⤵
              PID:5012
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            2⤵
            • Launches sc.exe
            PID:2292
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            2⤵
            • Launches sc.exe
            PID:1924
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            2⤵
            • Launches sc.exe
            PID:4860
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            2⤵
            • Launches sc.exe
            PID:3208
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            2⤵
            • Launches sc.exe
            PID:3280
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:556
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4028
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4988
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4868
          • C:\Windows\system32\conhost.exe
            C:\Windows\system32\conhost.exe
            2⤵
              PID:404
            • C:\Windows\system32\nslookup.exe
              nslookup.exe
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3892

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                fqwofdtexigy.exe

                • Path C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
                • Size 5.6MB
                • SHA256 0ace7b96f310d6d244da4607d8de72adac920c5d3ac0622dd5fea254285d6917
                • MD5 SHA1 SHA512 SSDEEP

                __PSScriptPolicyTest_1nrrxbzl.ldy.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1nrrxbzl.ldy.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                memory/404-52-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/404-48-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/404-49-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/404-50-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/404-51-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/404-55-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/456-40-0x000002961E540000-0x000002961E55C000-memory.dmp

                memory/456-45-0x000002961E570000-0x000002961E57A000-memory.dmp

                memory/456-37-0x000002961E300000-0x000002961E31C000-memory.dmp

                memory/456-41-0x000002961E520000-0x000002961E52A000-memory.dmp

                memory/456-42-0x000002961E580000-0x000002961E59A000-memory.dmp

                memory/456-43-0x000002961E530000-0x000002961E538000-memory.dmp

                memory/456-44-0x000002961E560000-0x000002961E566000-memory.dmp

                memory/456-39-0x000002961E2F0000-0x000002961E2FA000-memory.dmp

                memory/456-38-0x000002961E320000-0x000002961E3D5000-memory.dmp

                memory/1844-0-0x00007FFBFB5D3000-0x00007FFBFB5D5000-memory.dmp

                memory/1844-15-0x00007FFBFB5D0000-0x00007FFBFC091000-memory.dmp

                memory/1844-12-0x00007FFBFB5D0000-0x00007FFBFC091000-memory.dmp

                memory/1844-11-0x00007FFBFB5D0000-0x00007FFBFC091000-memory.dmp

                memory/1844-6-0x000002020A880000-0x000002020A8A2000-memory.dmp

                memory/3892-62-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-65-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-60-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-59-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-58-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-61-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-56-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-57-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-64-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-63-0x0000025BE9900000-0x0000025BE9920000-memory.dmp

                memory/3892-66-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-67-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-68-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-69-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-70-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-71-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-73-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/3892-72-0x0000000140000000-0x0000000140848000-memory.dmp