Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 18:41

General

  • Target

    2024-10-09_55ca57c96f10cbfb63d111669c93e6e2_avoslocker_revil.exe

  • Size

    4.6MB

  • MD5

    55ca57c96f10cbfb63d111669c93e6e2

  • SHA1

    24201abececbf2c55acbf1ac3e9b402a259751f2

  • SHA256

    83e93a32bca4d65458218f81f088af7b4dbdce9ef6c231084d2f731b77e7ab30

  • SHA512

    506698a126f26bf7a771d1ec1921a8abab6ffc9b855883f106423d287b5d07b6625d20cbce43a948fc9a091ba5e942c101f2509861cc425951eaaa19ea26680c

  • SSDEEP

    98304:BtuiUQocm9mxVJ/xH2Na7dLa/gaBqPQ61vsxwskCXLRhl3m2drIgIJ9:BNnocm9mxVJ/pUadLaH6Wxwsv1m0URL

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

    l9ll8dd6x

  • 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

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • 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.

  • Windows security bypass 2 TTPs 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 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
  • Checks for any installed AV software in registry 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 12 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Users\Admin\AppData\Local\Temp\2024-10-09_55ca57c96f10cbfb63d111669c93e6e2_avoslocker_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_55ca57c96f10cbfb63d111669c93e6e2_avoslocker_revil.exe"
    1⤵
    • Loads dropped DLL
    • Checks for any installed AV software in registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\E418.exe
      "C:\Users\Admin\AppData\Local\Temp\E418.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Users\Admin\AppData\Local\Temp\836613409.exe
        C:\Users\Admin\AppData\Local\Temp\836613409.exe
        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:1580
        • C:\Windows\sysvplervcs.exe
          C:\Windows\sysvplervcs.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2376
          • 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:2468
            • 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:2312
          • 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:2436
            • C:\Windows\SysWOW64\sc.exe
              sc stop UsoSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:2444
            • C:\Windows\SysWOW64\sc.exe
              sc stop WaaSMedicSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:1604
            • C:\Windows\SysWOW64\sc.exe
              sc stop wuauserv
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:2472
            • C:\Windows\SysWOW64\sc.exe
              sc stop DoSvc
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:2320
            • C:\Windows\SysWOW64\sc.exe
              sc stop BITS /wait
              6⤵
              • Launches sc.exe
              • System Location Discovery: System Language Discovery
              PID:2728
          • C:\Users\Admin\AppData\Local\Temp\2387931414.exe
            C:\Users\Admin\AppData\Local\Temp\2387931414.exe
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:376
            • 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:2144
              • C:\Windows\system32\reg.exe
                reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
                7⤵
                  PID:1948
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:1308
                • C:\Windows\system32\schtasks.exe
                  schtasks /delete /f /tn "Windows Upgrade Manager"
                  7⤵
                    PID:1520
              • C:\Users\Admin\AppData\Local\Temp\2967522690.exe
                C:\Users\Admin\AppData\Local\Temp\2967522690.exe
                5⤵
                • Executes dropped EXE
                PID:2332

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Q4648X1K\1[1]

        Filesize

        108KB

        MD5

        1fcb78fb6cf9720e9d9494c42142d885

        SHA1

        fef9c2e728ab9d56ce9ed28934b3182b6f1d5379

        SHA256

        84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02

        SHA512

        cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

      • C:\Users\Admin\AppData\Local\Temp\E418.exe

        Filesize

        9KB

        MD5

        8d8e6c7952a9dc7c0c73911c4dbc5518

        SHA1

        9098da03b33b2c822065b49d5220359c275d5e94

        SHA256

        feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

        SHA512

        91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\Montserrat-Bold.eot

        Filesize

        256KB

        MD5

        0f722e725ac50271f9d6db477e8c0d17

        SHA1

        d34259cfe05b2ba9c9e5256a3ce513d4bc5afbe8

        SHA256

        7615a4bb88a5680cfead49c1774013ce48c4c7343cb82d7585f7935c705400b0

        SHA512

        9a58e7d1537f28f19dc6e63b36d422748d851b68a8b3eedf69f531d502d9163e41f4d9cc9d782fd6fc70fab269f04dc9907422bd80f5dd265edcc0ae6bddc77a

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\Montserrat-Regular.eot

        Filesize

        314KB

        MD5

        2dd0a1de870af34d48d43b7cad82b8d9

        SHA1

        440f4f1fdf17a5c8b426ac6bd4535b8fe5258c7e

        SHA256

        057bc6c47c47aaccdf31adc48a6b401f6090a02c28e354099eff80907dc2af32

        SHA512

        83df193ab984037b940876bf6371020b4bb13af74e988abb8ad6a30d48ab6cd9dc5c08937e58abab93278cc85c9d79c373688b2c51c035fdeffed639c933e8ff

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\Roboto-Regular.eot

        Filesize

        176KB

        MD5

        b9077621ce786b55c176a61456bfc077

        SHA1

        5f164e1bc0b6573bac876e38ca1bb2e60ff0627e

        SHA256

        6cedf381d59fa4caabfb836e9a3720420645cbcea32491a5ac5f07cf274ceac6

        SHA512

        b1f2c599804a2d0ac51d3adfe7b2d0a21c5fa1e3d8d83d932f42d30bfd26aad5972d96555097a60f8fdc4d34ed24bad2876a89cf0b27b8cd01c72c0ba8f4d02a

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\img2\page-wait.png

        Filesize

        33KB

        MD5

        a8210694c45753a7a027296ef745e316

        SHA1

        f19dd027d91836de8a1cac5410f906dcdf853fdb

        SHA256

        14de6662062adc45202e2021aa4d60e98637dc892a22acb2c7cc16da3344c14d

        SHA512

        4b4d3d4f0c5df9375c6661cbe57440bfd264707610a27806b1bfa6025b72260b2b16e6a84b851bca48a528d86b2ca510cd76f00db11c713e6c26eaeace813d4d

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\index.html

        Filesize

        30KB

        MD5

        9a0a4e3f381ffdeb893fb3ba74bf63c9

        SHA1

        746201ef390ebfd8c9f5e7ac46d9d4716eb8d204

        SHA256

        1e60860fa9a568a50ee835ad17b77dc31ce9e7bb9f6185c442a227c5298ef09d

        SHA512

        0f6f04f040337fab978ce06218fee0a02a009eba6e7a585cd6c39fe46364c333df7962c8ab1a094e11ee67ef500e8f6f93c9fad71d2d5444b1d4798385cb9763

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery-ui.min.1.8.0.js

        Filesize

        202KB

        MD5

        a4fdd77e182bd2fabe300a47b5617a35

        SHA1

        e002b335c75b5edefcd251962f61f53a2ab8e0f2

        SHA256

        8b59592d67eadc703af6cdd5ba8d077f9f9485d01fb6405555614335f89be99b

        SHA512

        ddcccde1c129f8f71fb39685abc615c4202b8b3dfc12cedd7d9cca2f97b308fc14b64497826421fa9df3d1cf54bdae9c085051af0a8d393cd3d556a6578d4085

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery.min.1.6.4.js

        Filesize

        89KB

        MD5

        ea75b2a8f1b4241a872b1cbddbaed154

        SHA1

        18678dd78c1f5a3525127b442bc70375faf09c16

        SHA256

        4a62927a380e201c4ee51321dcc1e6b1f7dfbf82049cf349df990629e01e9178

        SHA512

        dc69cd4703dcba3c8f4a52058c44a34fa7c0b6096bed20f30ce3dab872461eb6dda9d0d381137b9cb022219ad92ca7f5f25d3964ed33d5f41e9fc05efa5330fd

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\preloader.html

        Filesize

        687B

        MD5

        a9c237c6645d55240cdda002fef26737

        SHA1

        8a7f5c4cf2fd1c924dd1ec754b1b4c5f65bdda80

        SHA256

        0271d97e4e245364c5c52e66d95baf24b3e00c1c8ea6e2b0da59291115cb6087

        SHA512

        480f28bffb5cb96eaf89f601fbf2de03fc5db04f579108b60de1e5be36ede324fc924f624bc29b42747e96f173a860a6fdbaf6da271b6bffb5b7906d11065555

      • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\translations.json

        Filesize

        19KB

        MD5

        a1d597ef7be818c9fa9daa8f18ebf125

        SHA1

        8108290387bfb433c6867d6f29b28f68b6f803c6

        SHA256

        b451d4eb04fbf6ea5a92b2d6d1b911c66ef98b7a438fbc3de867c3e91ba86c7a

        SHA512

        4b7f09b47d182ea45f8ef50dc77e24a9c4e036f15728c11409651d4513a16e8db06f99a8132a363dc0e6870563f1d419c6e8f692ef6d08eaf340401cccc11123

      • \Users\Admin\AppData\Local\Temp\2387931414.exe

        Filesize

        8KB

        MD5

        cb8420e681f68db1bad5ed24e7b22114

        SHA1

        416fc65d538d3622f5ca71c667a11df88a927c31

        SHA256

        5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

        SHA512

        baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

      • \Users\Admin\AppData\Local\Temp\2967522690.exe

        Filesize

        15KB

        MD5

        0c37ee292fec32dba0420e6c94224e28

        SHA1

        012cbdddaddab319a4b3ae2968b42950e929c46b

        SHA256

        981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1

        SHA512

        2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

      • \Users\Admin\AppData\Local\Temp\836613409.exe

        Filesize

        96KB

        MD5

        930c41bc0c20865af61a95bcf0c3b289

        SHA1

        cecf37c3b6c76d9a79dd2a97cfc518621a6ac924

        SHA256

        1f2e9724dfb091059ae16c305601e21d64b5308df76ddef6b394573e576ef1ff

        SHA512

        fa1f33c71da608b3980038981220fcebee0b0cc44331e52f5198dd2761c97631ee8286756c2cc16245a1370c83bb53cc8ea8ef64e0fcdd30af51f023973986b2

      • memory/376-285-0x000000013F260000-0x000000013F266000-memory.dmp

        Filesize

        24KB

      • memory/1916-264-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

        Filesize

        4KB

      • memory/1916-8-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

        Filesize

        4KB