Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2024 01:30

General

  • Target

    8de13f64aab532c0bbd3d38cc821ba6fa67ccfadde9cffd14944cc9d85830f4a.exe

  • Size

    86KB

  • MD5

    21b61b3680c5e66f9f7b1f3026327757

  • SHA1

    fad18744873c0f49daab677b53cea59f808c8097

  • SHA256

    8de13f64aab532c0bbd3d38cc821ba6fa67ccfadde9cffd14944cc9d85830f4a

  • SHA512

    0a43a48f18fa86e72c23baa71bb77e85e9bf1ca107cf014fff2b2096b65d480f0d17c516954d472f25c541bb35f196f13534b135033e3f9a52465ea221b4e745

  • SSDEEP

    192:MNUGDWCn+rYeumelDB2JkknJxTqth7ccccccccccccccccccccccccccccccccc:AU5C+rU9lDAJnuz

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Windows security bypass 2 TTPs 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Users\Admin\AppData\Local\Temp\8de13f64aab532c0bbd3d38cc821ba6fa67ccfadde9cffd14944cc9d85830f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\8de13f64aab532c0bbd3d38cc821ba6fa67ccfadde9cffd14944cc9d85830f4a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\AppData\Local\Temp\7858.scr
      "C:\Users\Admin\AppData\Local\Temp\7858.scr" /S
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\sysvplervcs.exe
        C:\Windows\sysvplervcs.exe
        3⤵
        • Modifies security service
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2888
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Windows\SysWOW64\sc.exe
            sc stop UsoSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2632
          • C:\Windows\SysWOW64\sc.exe
            sc stop WaaSMedicSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2856
          • C:\Windows\SysWOW64\sc.exe
            sc stop wuauserv
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2708
          • C:\Windows\SysWOW64\sc.exe
            sc stop DoSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2712
          • C:\Windows\SysWOW64\sc.exe
            sc stop BITS /wait
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2600
        • C:\Users\Admin\AppData\Local\Temp\209262127.exe
          C:\Users\Admin\AppData\Local\Temp\209262127.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:600
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1744
            • C:\Windows\system32\reg.exe
              reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
              6⤵
                PID:1548
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2032
              • C:\Windows\system32\schtasks.exe
                schtasks /delete /f /tn "Windows Upgrade Manager"
                6⤵
                  PID:568
            • C:\Users\Admin\AppData\Local\Temp\2672226171.exe
              C:\Users\Admin\AppData\Local\Temp\2672226171.exe
              4⤵
              • Executes dropped EXE
              PID:2520
            • C:\Users\Admin\AppData\Local\Temp\298729683.exe
              C:\Users\Admin\AppData\Local\Temp\298729683.exe
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:1012

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\39GEHZPO\1[1]

        Filesize

        108KB

        MD5

        1fcb78fb6cf9720e9d9494c42142d885

        SHA1

        fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

        SHA256

        84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

        SHA512

        cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

      • C:\Users\Admin\AppData\Local\Temp\7858.scr

        Filesize

        96KB

        MD5

        930c41bc0c20865af61a95bcf0c3b289

        SHA1

        cecf37c3b6c76d9a79dd2a97cfc518621a6ac924

        SHA256

        1f2e9724dfb091059ae16c305601e21d64b5308df76ddef6b394573e576ef1ff

        SHA512

        fa1f33c71da608b3980038981220fcebee0b0cc44331e52f5198dd2761c97631ee8286756c2cc16245a1370c83bb53cc8ea8ef64e0fcdd30af51f023973986b2

      • \Users\Admin\AppData\Local\Temp\209262127.exe

        Filesize

        8KB

        MD5

        cb8420e681f68db1bad5ed24e7b22114

        SHA1

        416fc65d538d3622f5ca71c667a11df88a927c31

        SHA256

        5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

        SHA512

        baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

      • \Users\Admin\AppData\Local\Temp\2672226171.exe

        Filesize

        15KB

        MD5

        0c37ee292fec32dba0420e6c94224e28

        SHA1

        012cbdddaddab319a4b3ae2968b42950e929c46b

        SHA256

        981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

        SHA512

        2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

      • \Users\Admin\AppData\Local\Temp\298729683.exe

        Filesize

        10KB

        MD5

        96509ab828867d81c1693b614b22f41d

        SHA1

        c5f82005dbda43cedd86708cc5fc3635a781a67e

        SHA256

        a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

        SHA512

        ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

      • memory/600-42-0x000000013F940000-0x000000013F946000-memory.dmp

        Filesize

        24KB