Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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, 17:10

General

  • Target
    bdab58b9c915ad76e0c82f87ad437309c12c4ddb767cb55dda9274a842f480e6.exe
  • Size 2.5MB
  • Sample241027-vppczazdlb
  • SHA256 bdab58b9c915ad76e0c82f87ad437309c12c4ddb767cb55dda9274a842f480e6
  • 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 9 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 14 IoCs

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

  • Launches sc.exe 4 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdab58b9c915ad76e0c82f87ad437309c12c4ddb767cb55dda9274a842f480e6.exe
    "C:\Users\Admin\AppData\Local\Temp\bdab58b9c915ad76e0c82f87ad437309c12c4ddb767cb55dda9274a842f480e6.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4512
    • 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:3620
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:4840
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3484
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:556
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3016
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:428
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "KRTTAJYL"
        2⤵
        • Launches sc.exe
        PID:2304
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "KRTTAJYL" binpath= "C:\ProgramData\xqmqvwhsanmi\fkdbruktebmq.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:2872
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:1172
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "KRTTAJYL"
        2⤵
        • Launches sc.exe
        PID:3104
    • C:\ProgramData\xqmqvwhsanmi\fkdbruktebmq.exe
      C:\ProgramData\xqmqvwhsanmi\fkdbruktebmq.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5112
      • 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:3672
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4516
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3460
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2944
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1580
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2504
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1708
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4648

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              fkdbruktebmq.exe

              • Path C:\ProgramData\xqmqvwhsanmi\fkdbruktebmq.exe
              • Size 2.5MB
              • SHA256 bdab58b9c915ad76e0c82f87ad437309c12c4ddb767cb55dda9274a842f480e6
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_qmmnshkn.sri.ps1

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

              memory/1708-50-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/1708-55-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/1708-49-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/1708-52-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/1708-51-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/1708-48-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3620-11-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp

              memory/3620-0-0x00007FFC9E503000-0x00007FFC9E505000-memory.dmp

              memory/3620-15-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp

              memory/3620-12-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp

              memory/3620-1-0x0000020848930000-0x0000020848952000-memory.dmp

              memory/3672-39-0x00000212A4E30000-0x00000212A4E3A000-memory.dmp

              memory/3672-44-0x00000212A50A0000-0x00000212A50A6000-memory.dmp

              memory/3672-45-0x00000212A50B0000-0x00000212A50BA000-memory.dmp

              memory/3672-43-0x00000212A5070000-0x00000212A5078000-memory.dmp

              memory/3672-42-0x00000212A50C0000-0x00000212A50DA000-memory.dmp

              memory/3672-41-0x00000212A5060000-0x00000212A506A000-memory.dmp

              memory/3672-37-0x00000212A4E40000-0x00000212A4E5C000-memory.dmp

              memory/3672-38-0x00000212A4E60000-0x00000212A4F15000-memory.dmp

              memory/3672-40-0x00000212A5080000-0x00000212A509C000-memory.dmp

              memory/4648-68-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-61-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-64-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-66-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-67-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-63-0x0000000000ED0000-0x0000000000EF0000-memory.dmp

              memory/4648-60-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-65-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-57-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-56-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-62-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-58-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-59-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-69-0x0000000140000000-0x0000000140835000-memory.dmp

              memory/4648-70-0x0000000140000000-0x0000000140835000-memory.dmp