Analysis

  • max time kernel
    89s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 19:22

General

  • Target

    5cf2728fb87906bdd33904877b4e9cd73fff94c72a746f8df8e681d6340eaf5c.exe

  • Size

    9KB

  • MD5

    524a798045faeab89ecd423eb5ca759e

  • SHA1

    5c89b96922f78669e4d1b17014d80f60481d8725

  • SHA256

    5cf2728fb87906bdd33904877b4e9cd73fff94c72a746f8df8e681d6340eaf5c

  • SHA512

    59dfb96b376b74821228b25847d4ab2fa4068af5fcbfae1515ecdaf0c6fbf5360e15ab593c94f494ad8903c53b95a7148fdbd9261f6dd9962f20039776fef37c

  • SSDEEP

    192:t8UGf5TF3aIhq43Yr8T9+6I8Nt98LJxTh3thW:t8LZqIhI4sR8N8LV3

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 1 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 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 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 3 IoCs

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

  • Executes dropped EXE 7 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 51 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:3460
      • C:\Users\Admin\AppData\Local\Temp\5cf2728fb87906bdd33904877b4e9cd73fff94c72a746f8df8e681d6340eaf5c.exe
        "C:\Users\Admin\AppData\Local\Temp\5cf2728fb87906bdd33904877b4e9cd73fff94c72a746f8df8e681d6340eaf5c.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1208
        • C:\Users\Admin\AppData\Local\Temp\7612.scr
          "C:\Users\Admin\AppData\Local\Temp\7612.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:1928
          • 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:4240
            • 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:4524
              • 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:3020
            • 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:4900
              • C:\Windows\SysWOW64\sc.exe
                sc stop UsoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:4976
              • C:\Windows\SysWOW64\sc.exe
                sc stop WaaSMedicSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2716
              • C:\Windows\SysWOW64\sc.exe
                sc stop wuauserv
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2428
              • C:\Windows\SysWOW64\sc.exe
                sc stop DoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:5040
              • C:\Windows\SysWOW64\sc.exe
                sc stop BITS /wait
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:3672
            • C:\Users\Admin\AppData\Local\Temp\3044132666.exe
              C:\Users\Admin\AppData\Local\Temp\3044132666.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1672
              • 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:4676
                • C:\Windows\system32\reg.exe
                  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                    PID:4792
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3108
                  • C:\Windows\system32\schtasks.exe
                    schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                      PID:3156
                • C:\Users\Admin\AppData\Local\Temp\1497023727.exe
                  C:\Users\Admin\AppData\Local\Temp\1497023727.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1064
                • C:\Users\Admin\AppData\Local\Temp\1867615043.exe
                  C:\Users\Admin\AppData\Local\Temp\1867615043.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3020
                  • C:\Users\Admin\AppData\Local\Temp\2217911135.exe
                    C:\Users\Admin\AppData\Local\Temp\2217911135.exe
                    6⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4360
                • C:\Users\Admin\AppData\Local\Temp\87266205.exe
                  C:\Users\Admin\AppData\Local\Temp\87266205.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1368
          • 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
            PID:4808
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:4168
            • 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
              PID:2164
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:2960
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                  PID:876
              • C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
                "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
                1⤵
                  PID:1968

                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\4OVS68NE\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

                  a6fd59c582ba9ea81216138662c001ca

                  SHA1

                  eb6a2ebca0a8754913c9a126464f0386779a358c

                  SHA256

                  1aa7b8f8a9fd4418e5c4fe47e1c9aac42d354bdd93acd5be8c5fbe112b99f128

                  SHA512

                  8dbcda54bbc032d687deb66f5e8ab7adf700e597ffd29cb6923b1f78f508e1ad3495f80ed7ae4460dec12c60d290ed19ed11b4616cd18e942b20a02a8badb158

                • 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\1497023727.exe

                  Filesize

                  15KB

                  MD5

                  0c37ee292fec32dba0420e6c94224e28

                  SHA1

                  012cbdddaddab319a4b3ae2968b42950e929c46b

                  SHA256

                  981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

                  SHA512

                  2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

                • C:\Users\Admin\AppData\Local\Temp\1867615043.exe

                  Filesize

                  10KB

                  MD5

                  96509ab828867d81c1693b614b22f41d

                  SHA1

                  c5f82005dbda43cedd86708cc5fc3635a781a67e

                  SHA256

                  a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

                  SHA512

                  ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

                • C:\Users\Admin\AppData\Local\Temp\2217911135.exe

                  Filesize

                  5.6MB

                  MD5

                  13b26b2c7048a92d6a843c1302618fad

                  SHA1

                  89c2dfc01ac12ef2704c7669844ec69f1700c1ca

                  SHA256

                  1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

                  SHA512

                  d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

                • C:\Users\Admin\AppData\Local\Temp\3044132666.exe

                  Filesize

                  8KB

                  MD5

                  cb8420e681f68db1bad5ed24e7b22114

                  SHA1

                  416fc65d538d3622f5ca71c667a11df88a927c31

                  SHA256

                  5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

                  SHA512

                  baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

                • C:\Users\Admin\AppData\Local\Temp\7612.scr

                  Filesize

                  83KB

                  MD5

                  06560b5e92d704395bc6dae58bc7e794

                  SHA1

                  fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

                  SHA256

                  9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

                  SHA512

                  b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

                • C:\Users\Admin\AppData\Local\Temp\87266205.exe

                  Filesize

                  13KB

                  MD5

                  5a0d146f7a911e98da8cc3c6de8acabf

                  SHA1

                  4ec56b14a08c897a5e9e85f5545b6c976a0be3c1

                  SHA256

                  bf61e77b7c49ce3346a28d8bc084c210618ea6ec5f3cfa9ae8f4aa4d64e145f1

                  SHA512

                  6d1526a5f467535d51b7f9b3a7af2d54512526e2523e3048082277b83b6e1a1f0d7e3c617405898f240ae84a16163bc47886d8541a016b31c51dfadf9da713e1

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sp3r5wal.zhl.ps1

                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                • memory/876-133-0x000001F3FA4F0000-0x000001F3FA510000-memory.dmp

                  Filesize

                  128KB

                • memory/876-135-0x00007FF7A9840000-0x00007FF7AA02F000-memory.dmp

                  Filesize

                  7.9MB

                • memory/876-138-0x00007FF7A9840000-0x00007FF7AA02F000-memory.dmp

                  Filesize

                  7.9MB

                • memory/876-140-0x00007FF7A9840000-0x00007FF7AA02F000-memory.dmp

                  Filesize

                  7.9MB

                • memory/876-142-0x00007FF7A9840000-0x00007FF7AA02F000-memory.dmp

                  Filesize

                  7.9MB

                • memory/876-144-0x00007FF7A9840000-0x00007FF7AA02F000-memory.dmp

                  Filesize

                  7.9MB

                • memory/1672-72-0x0000000000C30000-0x0000000000C36000-memory.dmp

                  Filesize

                  24KB

                • memory/1968-132-0x00007FF650770000-0x00007FF650D07000-memory.dmp

                  Filesize

                  5.6MB

                • memory/2960-134-0x00007FF695DC0000-0x00007FF695DE9000-memory.dmp

                  Filesize

                  164KB

                • memory/2960-137-0x00007FF695DC0000-0x00007FF695DE9000-memory.dmp

                  Filesize

                  164KB

                • memory/3020-42-0x0000000007920000-0x00000000079C3000-memory.dmp

                  Filesize

                  652KB

                • memory/3020-28-0x0000000006740000-0x000000000675E000-memory.dmp

                  Filesize

                  120KB

                • memory/3020-50-0x0000000007DA0000-0x0000000007DBA000-memory.dmp

                  Filesize

                  104KB

                • memory/3020-49-0x0000000007CB0000-0x0000000007CC4000-memory.dmp

                  Filesize

                  80KB

                • memory/3020-48-0x0000000007CA0000-0x0000000007CAE000-memory.dmp

                  Filesize

                  56KB

                • memory/3020-47-0x0000000007C70000-0x0000000007C81000-memory.dmp

                  Filesize

                  68KB

                • memory/3020-46-0x0000000007CE0000-0x0000000007D76000-memory.dmp

                  Filesize

                  600KB

                • memory/3020-45-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

                  Filesize

                  40KB

                • memory/3020-43-0x0000000008100000-0x000000000877A000-memory.dmp

                  Filesize

                  6.5MB

                • memory/3020-13-0x0000000002DE0000-0x0000000002E16000-memory.dmp

                  Filesize

                  216KB

                • memory/3020-44-0x0000000007A80000-0x0000000007A9A000-memory.dmp

                  Filesize

                  104KB

                • memory/3020-14-0x0000000005A10000-0x0000000006038000-memory.dmp

                  Filesize

                  6.2MB

                • memory/3020-30-0x0000000006D00000-0x0000000006D32000-memory.dmp

                  Filesize

                  200KB

                • memory/3020-31-0x000000006FB60000-0x000000006FBAC000-memory.dmp

                  Filesize

                  304KB

                • memory/3020-41-0x00000000078F0000-0x000000000790E000-memory.dmp

                  Filesize

                  120KB

                • memory/3020-29-0x0000000006760000-0x00000000067AC000-memory.dmp

                  Filesize

                  304KB

                • memory/3020-51-0x0000000007D80000-0x0000000007D88000-memory.dmp

                  Filesize

                  32KB

                • memory/3020-27-0x0000000006320000-0x0000000006674000-memory.dmp

                  Filesize

                  3.3MB

                • memory/3020-17-0x0000000006120000-0x0000000006186000-memory.dmp

                  Filesize

                  408KB

                • memory/3020-16-0x00000000060B0000-0x0000000006116000-memory.dmp

                  Filesize

                  408KB

                • memory/3020-15-0x0000000005780000-0x00000000057A2000-memory.dmp

                  Filesize

                  136KB

                • memory/4360-114-0x00007FF7E3CD0000-0x00007FF7E4267000-memory.dmp

                  Filesize

                  5.6MB

                • memory/4808-105-0x00000211DA230000-0x00000211DA252000-memory.dmp

                  Filesize

                  136KB