Analysis

  • max time kernel
    150s
  • 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
    27-10-2024 02:47

General

  • Target

    ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe

  • Size

    78KB

  • MD5

    93ac88b5786cc524a9668ab13c73584f

  • SHA1

    d5e328f47208d69c7a47ec2713b1fcbbe51fb4fc

  • SHA256

    ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9

  • SHA512

    9e0268e3efc6387e6bcd1c6a31c1da19be62c25956bf6ac3ec1bfc89dc60146a0464a60857122c77f0576d89111082e02f964e78aa86f72b0d906e762498830b

  • SSDEEP

    192:H52jSxeumCYBy4nzLFTEJxTqthOVEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEI:H52mx3gk4n/lEuOH6666zD

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 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:3356
      • C:\Users\Admin\AppData\Local\Temp\ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe
        "C:\Users\Admin\AppData\Local\Temp\ada49c1b3b3d878fe42df213844d8d37ec59ac4f906060556ad901ba0d55b2a9.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Users\Admin\AppData\Local\Temp\8889.scr
          "C:\Users\Admin\AppData\Local\Temp\8889.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:3772
          • 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:2564
            • 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:3388
              • 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:2844
            • 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:1904
              • C:\Windows\SysWOW64\sc.exe
                sc stop UsoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:1836
              • C:\Windows\SysWOW64\sc.exe
                sc stop WaaSMedicSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2456
              • C:\Windows\SysWOW64\sc.exe
                sc stop wuauserv
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:1344
              • C:\Windows\SysWOW64\sc.exe
                sc stop DoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:1880
              • C:\Windows\SysWOW64\sc.exe
                sc stop BITS /wait
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:5064
            • C:\Users\Admin\AppData\Local\Temp\2338512890.exe
              C:\Users\Admin\AppData\Local\Temp\2338512890.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:632
              • 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:2964
                • C:\Windows\system32\reg.exe
                  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                    PID:1392
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2856
                  • C:\Windows\system32\schtasks.exe
                    schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                      PID:1248
                • C:\Users\Admin\AppData\Local\Temp\299343947.exe
                  C:\Users\Admin\AppData\Local\Temp\299343947.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1148
                • C:\Users\Admin\AppData\Local\Temp\900628083.exe
                  C:\Users\Admin\AppData\Local\Temp\900628083.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2688
                  • C:\Users\Admin\AppData\Local\Temp\1250921407.exe
                    C:\Users\Admin\AppData\Local\Temp\1250921407.exe
                    6⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2068
                • C:\Users\Admin\AppData\Local\Temp\167019196.exe
                  C:\Users\Admin\AppData\Local\Temp\167019196.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2320
          • 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:1904
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:2696
            • 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:2900
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:1484
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                  PID:4312
              • 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:1944

              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

                240a116c6ef4113e25e3b87be3977b30

                SHA1

                e7b3d7306b99b4b1c56eee8d1fab79507f146610

                SHA256

                caf698d243e0951c7b6fab309591a2316cd9b05804c191ea11c5b12d7af9f341

                SHA512

                9bb16736cce2648c0c82e4f59c0861166881871aad71e59f8afaf27ca25415ef3ad83a2ddbd0c108e96d5c37832a0a8a040ed4c930185ecad4d2e12d2f278d74

              • 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\1250921407.exe

                Filesize

                5.6MB

                MD5

                13b26b2c7048a92d6a843c1302618fad

                SHA1

                89c2dfc01ac12ef2704c7669844ec69f1700c1ca

                SHA256

                1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

                SHA512

                d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

              • C:\Users\Admin\AppData\Local\Temp\167019196.exe

                Filesize

                13KB

                MD5

                5a0d146f7a911e98da8cc3c6de8acabf

                SHA1

                4ec56b14a08c897a5e9e85f5545b6c976a0be3c1

                SHA256

                bf61e77b7c49ce3346a28d8bc084c210618ea6ec5f3cfa9ae8f4aa4d64e145f1

                SHA512

                6d1526a5f467535d51b7f9b3a7af2d54512526e2523e3048082277b83b6e1a1f0d7e3c617405898f240ae84a16163bc47886d8541a016b31c51dfadf9da713e1

              • C:\Users\Admin\AppData\Local\Temp\2338512890.exe

                Filesize

                8KB

                MD5

                cb8420e681f68db1bad5ed24e7b22114

                SHA1

                416fc65d538d3622f5ca71c667a11df88a927c31

                SHA256

                5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

                SHA512

                baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

              • C:\Users\Admin\AppData\Local\Temp\299343947.exe

                Filesize

                15KB

                MD5

                0c37ee292fec32dba0420e6c94224e28

                SHA1

                012cbdddaddab319a4b3ae2968b42950e929c46b

                SHA256

                981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

                SHA512

                2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

              • C:\Users\Admin\AppData\Local\Temp\8889.scr

                Filesize

                83KB

                MD5

                06560b5e92d704395bc6dae58bc7e794

                SHA1

                fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

                SHA256

                9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

                SHA512

                b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

              • C:\Users\Admin\AppData\Local\Temp\900628083.exe

                Filesize

                10KB

                MD5

                96509ab828867d81c1693b614b22f41d

                SHA1

                c5f82005dbda43cedd86708cc5fc3635a781a67e

                SHA256

                a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

                SHA512

                ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ktdxefwo.f44.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • memory/632-72-0x0000000000910000-0x0000000000916000-memory.dmp

                Filesize

                24KB

              • memory/1484-137-0x00007FF6EC4E0000-0x00007FF6EC509000-memory.dmp

                Filesize

                164KB

              • memory/1484-135-0x00007FF6EC4E0000-0x00007FF6EC509000-memory.dmp

                Filesize

                164KB

              • memory/1904-105-0x00000199FD130000-0x00000199FD152000-memory.dmp

                Filesize

                136KB

              • memory/1944-133-0x00007FF7A3B50000-0x00007FF7A40E7000-memory.dmp

                Filesize

                5.6MB

              • memory/2068-115-0x00007FF7007F0000-0x00007FF700D87000-memory.dmp

                Filesize

                5.6MB

              • memory/2844-30-0x00000000067F0000-0x0000000006822000-memory.dmp

                Filesize

                200KB

              • memory/2844-41-0x00000000073E0000-0x00000000073FE000-memory.dmp

                Filesize

                120KB

              • memory/2844-48-0x0000000007790000-0x000000000779E000-memory.dmp

                Filesize

                56KB

              • memory/2844-49-0x00000000077A0000-0x00000000077B4000-memory.dmp

                Filesize

                80KB

              • memory/2844-50-0x0000000007890000-0x00000000078AA000-memory.dmp

                Filesize

                104KB

              • memory/2844-51-0x0000000007870000-0x0000000007878000-memory.dmp

                Filesize

                32KB

              • memory/2844-46-0x00000000077D0000-0x0000000007866000-memory.dmp

                Filesize

                600KB

              • memory/2844-45-0x00000000075C0000-0x00000000075CA000-memory.dmp

                Filesize

                40KB

              • memory/2844-44-0x0000000007570000-0x000000000758A000-memory.dmp

                Filesize

                104KB

              • memory/2844-43-0x0000000007BF0000-0x000000000826A000-memory.dmp

                Filesize

                6.5MB

              • memory/2844-42-0x0000000007410000-0x00000000074B3000-memory.dmp

                Filesize

                652KB

              • memory/2844-47-0x0000000007770000-0x0000000007781000-memory.dmp

                Filesize

                68KB

              • memory/2844-31-0x00000000704F0000-0x000000007053C000-memory.dmp

                Filesize

                304KB

              • memory/2844-29-0x0000000006250000-0x000000000629C000-memory.dmp

                Filesize

                304KB

              • memory/2844-28-0x0000000006200000-0x000000000621E000-memory.dmp

                Filesize

                120KB

              • memory/2844-27-0x0000000005D40000-0x0000000006094000-memory.dmp

                Filesize

                3.3MB

              • memory/2844-17-0x0000000005BD0000-0x0000000005C36000-memory.dmp

                Filesize

                408KB

              • memory/2844-16-0x0000000005B60000-0x0000000005BC6000-memory.dmp

                Filesize

                408KB

              • memory/2844-13-0x0000000004C90000-0x0000000004CC6000-memory.dmp

                Filesize

                216KB

              • memory/2844-15-0x0000000005370000-0x0000000005392000-memory.dmp

                Filesize

                136KB

              • memory/2844-14-0x00000000054C0000-0x0000000005AE8000-memory.dmp

                Filesize

                6.2MB

              • memory/4312-136-0x00007FF758490000-0x00007FF758C7F000-memory.dmp

                Filesize

                7.9MB

              • memory/4312-134-0x0000023636B20000-0x0000023636B40000-memory.dmp

                Filesize

                128KB

              • memory/4312-138-0x00007FF758490000-0x00007FF758C7F000-memory.dmp

                Filesize

                7.9MB