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Analysis

  • max time kernel
    171s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 16:35

General

  • Target

    38736aa5a70a46cea29d7be976dcb34e9add9a0f129ccf39b90f5576b2ca9d7a.exe

  • Size

    58KB

  • MD5

    49aa6579097ad38f9a576502b0d00f4e

  • SHA1

    95e16418ae8d4d3d26b5a9d6489622a5c2e059e7

  • SHA256

    38736aa5a70a46cea29d7be976dcb34e9add9a0f129ccf39b90f5576b2ca9d7a

  • SHA512

    e3223518e03ee46542f9b0e9c4576b21887062fe111194a773cc2f606fbe969c643c26b20b4fbf3ef161a79ec4cf01d488b54f4666ebc4d5786ec6d96730d78e

  • SSDEEP

    768:QO02IgEzCGk1Is0Lt1Ey9d0XNfTPL7mSsGXdFsmoeCkdJXFjjbhueSYoUeS:B0nRPEsmwdmfTX/XdDoJ+Nxj9ueSYoy

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 55 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\38736aa5a70a46cea29d7be976dcb34e9add9a0f129ccf39b90f5576b2ca9d7a.exe
    "C:\Users\Admin\AppData\Local\Temp\38736aa5a70a46cea29d7be976dcb34e9add9a0f129ccf39b90f5576b2ca9d7a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sundayfirst1.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4352
      • 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:3580
        • 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:4136
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4136 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1376
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:2152
          • 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:1120
            • 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:2368
            • 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:4164
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
              5⤵
                PID:908
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:4828
              • 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:4276
              • 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:2560
              • 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:2892
              • 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:4720
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:3160
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:2228
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:2740
            • C:\Users\Admin\AppData\Local\Temp\inl8678.tmp
              C:\Users\Admin\AppData\Local\Temp\inl8678.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3556
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl8678.tmp > nul
                3⤵
                  PID:2016
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\38736A~1.EXE > nul
                2⤵
                  PID:1472

              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

                9ebd067ed9097e52468ed43389e20f84

                SHA1

                254e9e98e444f9aa5025e9f39d26c2ee6343b070

                SHA256

                c2f13a89d711a444d9e2e5a909191abfd3b00b1c73d8b6b5d8f9df8eaa5f8bad

                SHA512

                a70df9fc2fb4ffd351c4702d5b7dfda2f5b96b3596d53f09f981afce933a53768c940dc04e93b0098f5d2a309919d6b3a4398bb03b8bc5aa67c4ac7dff525c3f

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

                Filesize

                434B

                MD5

                e4c3bb15f6d8d9622d73394cdb1f6a8d

                SHA1

                0a4a985e73201d15583fc68c5252ded5452a67bd

                SHA256

                59f2bf88eb3c04a15239f25188c06c7101ffd904721f9d53dd6f0cb5feec83c4

                SHA512

                16148bbf894067e40e0d55a28fd4762fd679ca3576b9e4e490f26d68b911e9edbe55f5a2689c1256457556f88580698ed68a8d9e4641d5a4b6da329747900409

              • C:\Users\Admin\AppData\Local\Temp\inl8678.tmp

                Filesize

                57.2MB

                MD5

                6619ee0d9faa694e0502ed978e6c3892

                SHA1

                2f82bdaf50e1c068b55a69129f4daaf07d988c1b

                SHA256

                7f815aadc95c56ff3198d48d97322e5cc689b8eb59235756e29aadd75325f6e4

                SHA512

                06011c7b011bf47a501d87931c4c245ce9108bd84c2e6cf169edb970036a416a9555947e6245b8cbb9849e9f7a8de00b3b9bcbe949adeeddba5afe6256d6614a

              • C:\Users\Admin\AppData\Local\Temp\inl8678.tmp

                Filesize

                57.2MB

                MD5

                6619ee0d9faa694e0502ed978e6c3892

                SHA1

                2f82bdaf50e1c068b55a69129f4daaf07d988c1b

                SHA256

                7f815aadc95c56ff3198d48d97322e5cc689b8eb59235756e29aadd75325f6e4

                SHA512

                06011c7b011bf47a501d87931c4c245ce9108bd84c2e6cf169edb970036a416a9555947e6245b8cbb9849e9f7a8de00b3b9bcbe949adeeddba5afe6256d6614a

              • C:\Users\Admin\AppData\Local\Temp\sundayfirst1.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

                9cb6e9ebb26496c5ab644335d24dbede

                SHA1

                750a3bba163a78efdc7f2c4a13b8d680856144fa

                SHA256

                3a5368461cc59e177236813d1a115d8ecde3eca0c3816f483514a15a3b27cccf

                SHA512

                96309bf34449f02ee0595812e51e54107cae096bdbbb44cef183e72d605a89e663775857788f09fa8c43eb60a65243766a247e5c213a16153e504c94a52bab30

              • memory/4136-153-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-192-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-159-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-165-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-157-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-167-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-168-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-169-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-226-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-225-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-155-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-154-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-224-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-150-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-151-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-179-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-177-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-148-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-223-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-146-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-147-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-187-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-188-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-145-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-189-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-143-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-222-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-161-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-193-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-194-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-195-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-140-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-197-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-202-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-201-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-203-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-204-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-205-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-210-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-211-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-213-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-214-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-212-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-215-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-217-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4136-220-0x00007FF858440000-0x00007FF8584AE000-memory.dmp

                Filesize

                440KB

              • memory/4332-191-0x0000000000310000-0x0000000000336000-memory.dmp

                Filesize

                152KB

              • memory/4332-133-0x0000000000310000-0x0000000000336000-memory.dmp

                Filesize

                152KB

              • memory/4332-134-0x0000000000A60000-0x0000000000A63000-memory.dmp

                Filesize

                12KB