Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 04:49

General

  • Target
    988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.exe
  • Size 1.9MB
  • Sample241012-ff5w2athkh
  • SHA256 988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

  • http://91.202.233.141/

Wallets
  • 0xCa90599132C4D88907Bd8E046540284aa468a035

  • TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

  • qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

  • XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

  • rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

  • AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

  • LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB

  • MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

  • 4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD

  • 15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

  • 1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

  • ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

  • 3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

  • 3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

  • DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

  • t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

  • stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

  • bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

  • bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

  • bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes
  • mutex

    mmn7nnm8na

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 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 14 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 49 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\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.exe
    "C:\Users\Admin\AppData\Local\Temp\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Users\Admin\AppData\Local\Temp\7A50.exe
      "C:\Users\Admin\AppData\Local\Temp\7A50.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1416
      • C:\Users\Admin\AppData\Local\Temp\75719050.exe
        C:\Users\Admin\AppData\Local\Temp\75719050.exe
        3⤵
        • 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:4640
        • C:\Windows\sysppvrdnvs.exe
          C:\Windows\sysppvrdnvs.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Checks computer location settings
          • Executes dropped EXE
          • Windows security modification
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2080
          • 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"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1452
            • 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"
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3520
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2264
            • C:\Windows\SysWOW64\sc.exe
              sc stop UsoSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:3676
            • C:\Windows\SysWOW64\sc.exe
              sc stop WaaSMedicSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:556
            • C:\Windows\SysWOW64\sc.exe
              sc stop wuauserv
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:3532
            • C:\Windows\SysWOW64\sc.exe
              sc stop DoSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:2956
            • C:\Windows\SysWOW64\sc.exe
              sc stop BITS /wait
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:3036
          • C:\Users\Admin\AppData\Local\Temp\1339510470.exe
            C:\Users\Admin\AppData\Local\Temp\1339510470.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:836
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1784
              • C:\Windows\system32\reg.exe
                reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                7⤵
                  PID:228
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:3160
                • C:\Windows\system32\schtasks.exe
                  schtasks /delete /f /tn "Windows Upgrade Manager"
                  7⤵
                    PID:1160
              • C:\Users\Admin\AppData\Local\Temp\171001786.exe
                C:\Users\Admin\AppData\Local\Temp\171001786.exe
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:3200
        • C:\Users\Admin\AppData\Local\Temp\is-IDAKB.tmp\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-IDAKB.tmp\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.tmp" /SL5="$90294,1718962,58368,C:\Users\Admin\AppData\Local\Temp\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3256

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            1[1]

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WQOY74U4\1[1]
            • Size 108KB
            • SHA256 84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
            • MD5 SHA1 SHA512 SSDEEP

            1339510470.exe

            • Path C:\Users\Admin\AppData\Local\Temp\1339510470.exe
            • Size 8KB
            • SHA256 5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
            • MD5 SHA1 SHA512 SSDEEP

            171001786.exe

            • Path C:\Users\Admin\AppData\Local\Temp\171001786.exe
            • Size 15KB
            • SHA256 981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
            • MD5 SHA1 SHA512 SSDEEP

            75719050.exe

            • Path C:\Users\Admin\AppData\Local\Temp\75719050.exe
            • Size 83KB
            • SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
            • MD5 SHA1 SHA512 SSDEEP

            7A50.exe

            • Path C:\Users\Admin\AppData\Local\Temp\7A50.exe
            • Size 9KB
            • SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_4wr1i5h5.000.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4wr1i5h5.000.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-IDAKB.tmp\988b8d0296ddf855a9e62bf7c4f871041aba73f539d6cd42c15ae8ab2c2b74e5N.tmp
            • Size 702KB
            • SHA256 3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c
            • MD5 SHA1 SHA512 SSDEEP

            memory/836-97-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/3172-7-0x0000000000400000-0x0000000000415DB0-memory.dmp

            memory/3172-9-0x0000000000401000-0x000000000040C000-memory.dmp

            memory/3172-40-0x0000000000400000-0x0000000000415DB0-memory.dmp

            memory/3256-80-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-74-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-119-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-42-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-117-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-115-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-113-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-13-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-102-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-89-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-78-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3256-76-0x0000000000400000-0x00000000004BF000-memory.dmp

            memory/3520-65-0x00000000078C0000-0x00000000078DA000-memory.dmp

            memory/3520-27-0x00000000052A0000-0x00000000052C2000-memory.dmp

            memory/3520-62-0x0000000007790000-0x00000000077A1000-memory.dmp

            memory/3520-63-0x00000000077C0000-0x00000000077CE000-memory.dmp

            memory/3520-64-0x00000000077D0000-0x00000000077E4000-memory.dmp

            memory/3520-39-0x0000000005C90000-0x0000000005FE4000-memory.dmp

            memory/3520-66-0x00000000078A0000-0x00000000078A8000-memory.dmp

            memory/3520-60-0x00000000075F0000-0x00000000075FA000-memory.dmp

            memory/3520-59-0x00000000075A0000-0x00000000075BA000-memory.dmp

            memory/3520-58-0x0000000007C20000-0x000000000829A000-memory.dmp

            memory/3520-28-0x0000000005BB0000-0x0000000005C16000-memory.dmp

            memory/3520-61-0x0000000007800000-0x0000000007896000-memory.dmp

            memory/3520-57-0x0000000007450000-0x00000000074F3000-memory.dmp

            memory/3520-26-0x0000000005510000-0x0000000005B38000-memory.dmp

            memory/3520-25-0x0000000002C60000-0x0000000002C96000-memory.dmp

            memory/3520-56-0x00000000067E0000-0x00000000067FE000-memory.dmp

            memory/3520-46-0x000000006F050000-0x000000006F09C000-memory.dmp

            memory/3520-45-0x0000000007210000-0x0000000007242000-memory.dmp

            memory/3520-44-0x0000000006800000-0x000000000684C000-memory.dmp

            memory/3520-43-0x0000000006250000-0x000000000626E000-memory.dmp

            memory/3520-29-0x0000000005C20000-0x0000000005C86000-memory.dmp