Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 15:50

General

  • Target

    c78dbe4a72a670d787589eaa994436b1da205496d11f8f9340cedaccd5f8e930.exe

  • Size

    10KB

  • MD5

    4d37cb18a3c14fa5e1fb8b26f47668e3

  • SHA1

    f91f72827a2d6182456edbe8c238af6fce99740b

  • SHA256

    c78dbe4a72a670d787589eaa994436b1da205496d11f8f9340cedaccd5f8e930

  • SHA512

    ebdca8a260f6e52402cc0be3a51501525fbbf64175933c644bbed976e3a7361db82b9554ec6d2ac837f6af7f2e537f59f3e3eec303e97d8130d4d7845298801a

  • SSDEEP

    96:3fojha3Igz0s0Dmmsamy8uQdS0nDoy9+tQcMGW0fflbWn1JxGET832qh9C7tCE1V:3fsha3Jkt58Z9+6cM4W1JxTT83thu1V

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 family
  • 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 3 IoCs
  • Loads dropped DLL 3 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 11 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 56 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\c78dbe4a72a670d787589eaa994436b1da205496d11f8f9340cedaccd5f8e930.exe
    "C:\Users\Admin\AppData\Local\Temp\c78dbe4a72a670d787589eaa994436b1da205496d11f8f9340cedaccd5f8e930.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\20563.scr
      "C:\Users\Admin\AppData\Local\Temp\20563.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:3060
      • C:\Windows\sysppvrdnvs.exe
        C:\Windows\sysppvrdnvs.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:1824
        • 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:2120
          • 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:2124
        • 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:2008
          • C:\Windows\SysWOW64\sc.exe
            sc stop UsoSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2188
          • C:\Windows\SysWOW64\sc.exe
            sc stop WaaSMedicSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2628
          • C:\Windows\SysWOW64\sc.exe
            sc stop wuauserv
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2728
          • C:\Windows\SysWOW64\sc.exe
            sc stop DoSvc
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2652
          • C:\Windows\SysWOW64\sc.exe
            sc stop BITS /wait
            5⤵
            • Launches sc.exe
            • System Location Discovery: System Language Discovery
            PID:2624
        • C:\Users\Admin\AppData\Local\Temp\1917719335.exe
          C:\Users\Admin\AppData\Local\Temp\1917719335.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1800
          • 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:1528
            • C:\Windows\system32\reg.exe
              reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
              6⤵
                PID:1052
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:576
              • C:\Windows\system32\schtasks.exe
                schtasks /delete /f /tn "Windows Upgrade Manager"
                6⤵
                  PID:2928

      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\8452S9S3\1[1]

        Filesize

        108KB

        MD5

        1fcb78fb6cf9720e9d9494c42142d885

        SHA1

        fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

        SHA256

        84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

        SHA512

        cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

      • \Users\Admin\AppData\Local\Temp\1917719335.exe

        Filesize

        8KB

        MD5

        cb8420e681f68db1bad5ed24e7b22114

        SHA1

        416fc65d538d3622f5ca71c667a11df88a927c31

        SHA256

        5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

        SHA512

        baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

      • \Users\Admin\AppData\Local\Temp\20563.scr

        Filesize

        83KB

        MD5

        06560b5e92d704395bc6dae58bc7e794

        SHA1

        fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

        SHA256

        9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

        SHA512

        b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

      • memory/1800-43-0x000000013F230000-0x000000013F236000-memory.dmp

        Filesize

        24KB