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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 04:53

General

  • Target

    9eb00bbed0b2fd91e6da5404f599732daece16d029365b4944b850f86e2ddc56.exe

  • Size

    57KB

  • MD5

    664c7bfca75fefcb8ac90b551882a6ca

  • SHA1

    3ea78d1f6e4fb6172d53cb4331917d890546fa9f

  • SHA256

    9eb00bbed0b2fd91e6da5404f599732daece16d029365b4944b850f86e2ddc56

  • SHA512

    2b868d895f177098fc3761422559f37a3e53ab72a74e7410cf145b6441e17f7780b723746fbc64c33d071faa96671a0650e05b440a51bc179a58849c341c82d8

  • SSDEEP

    768:hBRMLJshpXC1tlRiYTqyFN9Mwxgb+qi90sG3gGaru+6o6cAT5LZwmChDkGBh9OHD:hBFwt8Om/sPruWOLZwmChgGzg+fPVG6E

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Executes dropped EXE 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eb00bbed0b2fd91e6da5404f599732daece16d029365b4944b850f86e2ddc56.exe
    "C:\Users\Admin\AppData\Local\Temp\9eb00bbed0b2fd91e6da5404f599732daece16d029365b4944b850f86e2ddc56.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\teacher2011_check.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4788
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?82133
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4968
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4968 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2484
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:5072
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\PPLive\2.bat
            4⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:3392
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:1408
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?o"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:4756
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32 D:\VolumeDH\inj.dat,MainLoad
              5⤵
                PID:2148
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\2.inf
                5⤵
                • Adds Run key to start application
                • Suspicious use of WriteProcessMemory
                PID:4372
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:4340
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\PPLive\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:4620
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\PPLive\3.bat""" /f
                5⤵
                • Modifies registry class
                PID:2004
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:4780
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
                5⤵
                  PID:3028
          • C:\Users\Admin\AppData\Local\Temp\inl4FF7.tmp
            C:\Users\Admin\AppData\Local\Temp\inl4FF7.tmp
            2⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3928
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl4FF7.tmp > nul
              3⤵
                PID:2208
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9EB00B~1.EXE > nul
              2⤵
                PID:3596
            • C:\Windows\SysWOW64\runonce.exe
              "C:\Windows\system32\runonce.exe" -r
              1⤵
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:2328
              • C:\Windows\SysWOW64\grpconv.exe
                "C:\Windows\System32\grpconv.exe" -o
                2⤵
                  PID:2544

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                Filesize

                471B

                MD5

                fceed7a5f76725fb398c6a91ff552899

                SHA1

                237aec000ae7c7c35a639664b1ad6c0d842a0749

                SHA256

                2888c66a6908f10474313b2fef31aeeff40cffe1bcbd19b84b29334ff6a71383

                SHA512

                adfba4e72523d38395c13122d6498d9b48d93b2967858f0208549e3830c9b47ee3e98249b98fe585aeeeffe491a6985a98c80a3be581abccf4239bad4d1cdef3

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                Filesize

                404B

                MD5

                42804679c73961323c05b3d0acacdab9

                SHA1

                e9c1c51414ccabde3896767c8023b7ed2ce7e6e5

                SHA256

                7817b7f24b6397d2b77501ba022c36a1bfaf610de6b735d6e727e0901f19ac76

                SHA512

                1190f10f9b508c0318450828ffbb568157be809e67dbe4c880fac4607ad889ddffd840e0fee40f1977363d4af1dd79a1f1569131ef08bde42a4319d0b1692f1c

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\ckj4gk4\imagestore.dat

                Filesize

                1KB

                MD5

                e66965c702c2da3bd0471bac7cb48c6e

                SHA1

                94c01863a3cb793ae18da08ad0581bd139cc3762

                SHA256

                22b215a1cec6aba4a3c9ec76776ba11bbdb916bbabffc84d5ac35a2a3dd4ff5b

                SHA512

                56ca70391091bebeed9ecb48186c512b98904725397e4e3156cb91f987b8ceee697cd1d5502c833401e856ab195b554e3a65654917ec300927c4523e1107dac1

              • C:\Users\Admin\AppData\Local\Temp\inl4FF7.tmp

                Filesize

                57.2MB

                MD5

                045344020553dcbb06d89e4f264d800a

                SHA1

                f380d5766e90a9091dd55c6e9688a8d59acfe472

                SHA256

                62909b619830330c35b14020674be42458cc5843e9682d03861de5a086ee51b8

                SHA512

                837d089cb13adbfff12672331e7707a2a9e127f233a305d630aa7000c538bb40ced5bb34b8d1dc60a3aeecc53302627a293a9b3ac802c2329ca9bc97340f700b

              • C:\Users\Admin\AppData\Local\Temp\inl4FF7.tmp

                Filesize

                57.2MB

                MD5

                045344020553dcbb06d89e4f264d800a

                SHA1

                f380d5766e90a9091dd55c6e9688a8d59acfe472

                SHA256

                62909b619830330c35b14020674be42458cc5843e9682d03861de5a086ee51b8

                SHA512

                837d089cb13adbfff12672331e7707a2a9e127f233a305d630aa7000c538bb40ced5bb34b8d1dc60a3aeecc53302627a293a9b3ac802c2329ca9bc97340f700b

              • C:\Users\Admin\AppData\Local\Temp\teacher2011_check.bat

                Filesize

                53B

                MD5

                23962a245f75fe25510051582203aff1

                SHA1

                20832a3a1179bb2730194d2f7738d41d5d669a43

                SHA256

                1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

                SHA512

                dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

              • C:\Users\Admin\AppData\Local\Temp\winrar_config.tmp

                Filesize

                660B

                MD5

                c40ea8f677b3f48bfb7f4cfc6d3f03ab

                SHA1

                10b94afd8e6ea98a3c8a955304f9ce660b0c380a

                SHA256

                b1a31a74cc88d0f8e39aaebf58a724b89391dc3fbac733953790edf8ded8172c

                SHA512

                409b8a45576bf08e185446b13a512c115df7483ff8ec30ea51ee93ee1ac8153ae3b615650ff69a5d1e41fa0cd57fcdc4c5d03b4b4453431114ac018f48e194d9

              • C:\Users\Admin\AppData\Roaming\PPLive\1.bat

                Filesize

                3KB

                MD5

                b7c5e3b416b1d1b5541ef44662e1a764

                SHA1

                8bff7ea2be2f3cf29f2381d8007198b5991ca3ae

                SHA256

                f1a2f9fdebb3cac24756e53fa5e1628b2bd1cc130480c1878e3b3bc880575cd1

                SHA512

                65dbd6a7a7cf6fec00e6b0f1d7d5655769e6087ad09cad74c91c5a3395e675ac8f9df5c7185327e6f8dd03ddb60504400f54237d9e4b53c8b08e7e3d41ee61fc

              • C:\Users\Admin\AppData\Roaming\PPLive\1.inf

                Filesize

                492B

                MD5

                34c14b8530e1094e792527f7a474fe77

                SHA1

                f71c4e9091140256b34c18220d1dd1efab1f301d

                SHA256

                fe0dfb3458bfe2a3632d365e00765fa10f14d62e7dfa8b70a055c7eb9fdb6713

                SHA512

                25bb09b526e1e9f5c6052f1f7c36b37c956c1b5649936af8df3abfcf120c931f3d2603e17a061cb99d8c8074bfb1973a5423cce89762fca53cd46aeb3e8944a2

              • C:\Users\Admin\AppData\Roaming\PPLive\2.bat

                Filesize

                3KB

                MD5

                6b78cb8ced798ca5df5612dd62ce0965

                SHA1

                5a9c299393b96b0bf8f6770e3c7b0318a9e2e0cf

                SHA256

                81f64f42edfac2863a55db8fabd528c4eefc67f7e658cad6a57eeec862e444e3

                SHA512

                b387ba10021f3284d1406d520a2c8b3ba0c87922d67c79394c1aa50c631194519ac6bb5b898956533f040d48e1c7b202734e0075f8fc8c8bfab82c8ef359b28e

              • C:\Users\Admin\AppData\Roaming\PPLive\2.inf

                Filesize

                247B

                MD5

                ca436f6f187bc049f9271ecdcbf348fa

                SHA1

                bf8a548071cfc150f7affb802538edf03d281106

                SHA256

                6cdfa9b7f0e1e4ee16bc8ce5d7448d47ea8866c1f55f3e56be5c2a4d183ca534

                SHA512

                d19e20aabddad6b0284f8c1d473e9180f30b49d4d8b54f26e7c8630228e16b1f6ba04023c5e8b1993d8a10d97adcfff683b216f79b9981bf16181641aebdd591

              • C:\Users\Admin\AppData\Roaming\PPLive\4.bat

                Filesize

                5.8MB

                MD5

                64bda640ac5e00cf8c82c2e7e621291a

                SHA1

                b85a09ee4ff3b95e7494b042329d3c8aba8ef90a

                SHA256

                769b3ad33f3332bb886e104a6640cdc90a8ddea4f0c91c253884874d14715a02

                SHA512

                8d43e42ca8fd4a8ea30727d44ce20a0d03504bac5b90e20c56660be8523b6dd8dc7ba25450f998a5bc49abcccb3b3ef6ae6af98200eefd8de4797431acbb313a

              • memory/2264-133-0x00000000005C0000-0x00000000005C3000-memory.dmp

                Filesize

                12KB

              • memory/2264-175-0x00000000006C0000-0x00000000006E7000-memory.dmp

                Filesize

                156KB

              • memory/2264-132-0x00000000006C0000-0x00000000006E7000-memory.dmp

                Filesize

                156KB

              • memory/4968-176-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-197-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-173-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-168-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-177-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-167-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-174-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-166-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-165-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-179-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-180-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-163-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-161-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-156-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-155-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-152-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-151-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-150-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-149-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-148-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-200-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-203-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-145-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-170-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-147-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-193-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-192-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-188-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-185-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-184-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-144-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-143-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-209-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-210-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-211-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-213-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-212-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-214-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-216-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-217-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-222-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-223-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-141-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB

              • memory/4968-139-0x00007FF835A10000-0x00007FF835A7E000-memory.dmp

                Filesize

                440KB