Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 09:48

General

  • Target

    ed2b62dc8a2f6d3940862d5327f28ccdec857733d9339bd9a5df321e89da2401.exe

  • Size

    54KB

  • MD5

    6cd511d42c5a0a5ba4a4220b9c292183

  • SHA1

    d0b3456f5f0d53298d3814f63c2ac27f03080166

  • SHA256

    ed2b62dc8a2f6d3940862d5327f28ccdec857733d9339bd9a5df321e89da2401

  • SHA512

    ca0a047d638741d767d4d3fce6927ed361e53f8708b9e917cf4035d67283bdd7abb63016180c0076a65f7b22e95cc1d2a0e4d12a48c0a31ceb807ba1b1bf5c2a

  • SSDEEP

    768:sVKm4GV4ujtuYgFC5IjezJckOyLb172+oEFZ0TORX3iSHWIwjkdLv/kcH5hUDrpj:sQKV1MyVckOG12TGX1HxwjkVnDhI+HE

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
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 50 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\ed2b62dc8a2f6d3940862d5327f28ccdec857733d9339bd9a5df321e89da2401.exe
    "C:\Users\Admin\AppData\Local\Temp\ed2b62dc8a2f6d3940862d5327f28ccdec857733d9339bd9a5df321e89da2401.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start_max_bat.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\1.bat
        3⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
          4⤵
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          PID:1216
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
          4⤵
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          PID:4440
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
          4⤵
            PID:2024
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
            4⤵
            • Modifies registry class
            PID:1992
          • 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\redload\3.bat""" /f
            4⤵
            • Modifies registry class
            PID:3684
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:4836
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:3292
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\2.inf
            4⤵
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4456
            • C:\Windows\SysWOW64\runonce.exe
              "C:\Windows\system32\runonce.exe" -r
              5⤵
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:4432
              • C:\Windows\SysWOW64\grpconv.exe
                "C:\Windows\System32\grpconv.exe" -o
                6⤵
                  PID:1644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32 D:\VolumeDH\inj.dat,MainLoad
              4⤵
                PID:4032
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\2.bat
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4644
                • C:\PROGRA~1\INTERN~1\iexplore.exe
                  C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
                  5⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:3368
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3368 CREDAT:17410 /prefetch:2
                    6⤵
                    • Modifies Internet Explorer settings
                    • Suspicious use of SetWindowsHookEx
                    PID:308
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\1.inf
                  5⤵
                    PID:4028
            • C:\Users\Admin\AppData\Local\Temp\inl4081.tmp
              C:\Users\Admin\AppData\Local\Temp\inl4081.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2056
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl4081.tmp > nul
                3⤵
                  PID:2708
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\ED2B62~1.EXE > nul
                2⤵
                  PID:2344

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\PROGRA~1\INTERN~1\IEFRAME.dll

                Filesize

                5.8MB

                MD5

                f79657cb3d14027d85973b247e2b1d0b

                SHA1

                fae90cec48b461a4088b57420528c685b2f167ff

                SHA256

                a523b333689d47c1fdfe1908a04e3cafb0928e35e189c7b6b924bd5fb98b4437

                SHA512

                181f478efdcf61db4d25766b226a5e9d8c6727439d32fdfd627ac898657b4a7e5fceb4e13d4c33a45d079c03a2568a5944fae2d6f5dbf0f22b9e37b125ef68ab

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

                Filesize

                471B

                MD5

                fd70739fca5345a28f924f9102ae10ee

                SHA1

                6ce3f92183544f3bf52cb76364591589cb940a19

                SHA256

                f238404cc643efddef8ff430f128cdc8ec1513969eaac24b5e5bce81248a91e7

                SHA512

                a787d3a2bceeaed2f2a29f357df6ae17d5b9f66a3c561550d5f83c308ad26a1ddf876488151ff5e51ce93bfb9d0c7b8ca812d595e8d3ebdda7d805707ac1b278

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

                Filesize

                404B

                MD5

                2b153e11296ca61476074eead54cd578

                SHA1

                b7d975b3b76bf237eb0852208078c3be9ba77cd5

                SHA256

                e012c6dec04a5812893d528aa84628a6e22f25c06a8d9a68ce14dd846c1589aa

                SHA512

                de4cc8ca7fe86c5d5d5058c33afa0469ba4454689b0d2122abd8e03fa03dee47140af135700379cb2df0d71b54f408c405e413c8c54d8a60288e96ce53c89e24

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat

                Filesize

                1KB

                MD5

                19db93a1dca52f273ec7cf7966867208

                SHA1

                fb0abd8991c612d12b101cb89c52f0ceb5f294e1

                SHA256

                f16ede6608d147fef504ac16433857a3ecc0f1ff6c7b612e2fa151d057745b57

                SHA512

                401d50a2acde40c1f0b1a0b52a9b5136670bdf34dbb409ebbb0420b7605f04ce1e120017bd8e41441f39fc0c8428e63d30381fb31ba45e89b7872b83be2817a5

              • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

                Filesize

                791B

                MD5

                1706b41fd446b5718a8419c0fcb35d55

                SHA1

                d9bb8df22acdc60c754ac14982cf795df3b1b815

                SHA256

                5c6d11ac3f220f8286455764ab2581dcb6554692d3b9974b097364d77edb3943

                SHA512

                68c9f6170ecdfcc79fc63cb646901d2ac52a915620b159047b2c93761c261897eb5ecc15065635105637a61a840d393104c15ea8268897fb8bb2fbc1a56c626e

              • C:\Users\Admin\AppData\Local\Temp\inl4081.tmp

                Filesize

                57.2MB

                MD5

                2795f6166d4bae06bdfb9f697b18af07

                SHA1

                d100a6cb6e9731cbcce629c07e4cfe66ad2233bb

                SHA256

                3ac6bd54f0f516016302f72cd58a93e858e02e385c1e2bf7fcfe5d1895e4b850

                SHA512

                948f16c045a213e5dfd23c501d1e8b48a7201afd5fa96a7359d698b9bb2029fdb12afddb12a50dc45f7e06f41f813e276db3e465c48d5b76fef30a4e1494404e

              • C:\Users\Admin\AppData\Local\Temp\inl4081.tmp

                Filesize

                57.2MB

                MD5

                2795f6166d4bae06bdfb9f697b18af07

                SHA1

                d100a6cb6e9731cbcce629c07e4cfe66ad2233bb

                SHA256

                3ac6bd54f0f516016302f72cd58a93e858e02e385c1e2bf7fcfe5d1895e4b850

                SHA512

                948f16c045a213e5dfd23c501d1e8b48a7201afd5fa96a7359d698b9bb2029fdb12afddb12a50dc45f7e06f41f813e276db3e465c48d5b76fef30a4e1494404e

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

                Filesize

                54B

                MD5

                504490369970f1c0eb580afbcdf91618

                SHA1

                b52f65cd538e6c998b2c7e3167f9c8e8fa6c7971

                SHA256

                a13a0579286521f0d7cb55fc7d28c6d33f14c0573e9e69f7584fa4008a8e7d43

                SHA512

                5495ce79abf0fc4ffbfaf9aefa484145f4e0d3e8457be0e2e4dfb1284fb5413016f2d9867e2386db5c4f7b51863bfffeae8ea6bd879053fdf6a928ab2a0857ad

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

                Filesize

                3KB

                MD5

                493c22f6b15f9766ae7c23794fc77da0

                SHA1

                43723ba660dbc1486f717441b58298d33b9f2048

                SHA256

                478b8c2f0dc23db49d62f987ca5e01afde54d7abff647894ad2e38f9d7fde182

                SHA512

                662644aeef7666b23b90b6ce08ea8271a7cb7379bad6920434d045fdcbbcd48b4bbb65620ac4a5c347e376ecf2ff60e115b869c74a28ca7776cf6fc83b01df34

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

                Filesize

                410B

                MD5

                66a1f0147fed7ddd19e9bb7ff93705c5

                SHA1

                9d803c81ea2195617379b880b227892ba30b0bf6

                SHA256

                4f45ce85e221352f7fe26e04968c7f7267dc24b55cf2b72b929b4c90e48cb764

                SHA512

                cfe51756ddec75d240249980a4d27870d15983add25058e4d0da4d8a3ea11384d4d228d6cbc95091f91e516e1ab4dfb1e315941dbd95bf717d4b31936311d597

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

                Filesize

                3KB

                MD5

                cef6768b724a9ef917e9009c9ef12a27

                SHA1

                48376ac016bec7a83ab42c8c221b3bada82b5de6

                SHA256

                2f5fd74b847776bf27f10b68d35776926dac1b669e4c36cafc10916697832899

                SHA512

                7f6badfc98171aedc81b7feb1e75c7e36eec531c657478a7d39766490a72a05b0c86f9038a7594c6b586795ba9f35e8a9e3cd36d1433f4142a545ab81f646aff

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

                Filesize

                248B

                MD5

                2197ffb407fb3b2250045c084f73b70a

                SHA1

                3d0efbacba73ac5e8d77f0d25d63fc424511bcf6

                SHA256

                a1a42f5a41ce65135b1ad525eabc04cce89ee07d2f51d06e5e1dea6047081591

                SHA512

                b35a99e144da3f02de71158f58a6b937435d1bce941126a554783c667654b880527b11ba8a5c0fcf093ce28863ea4f5e60f73f8f973a727f177d584d2e9c80fe

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

                Filesize

                5.8MB

                MD5

                f79657cb3d14027d85973b247e2b1d0b

                SHA1

                fae90cec48b461a4088b57420528c685b2f167ff

                SHA256

                a523b333689d47c1fdfe1908a04e3cafb0928e35e189c7b6b924bd5fb98b4437

                SHA512

                181f478efdcf61db4d25766b226a5e9d8c6727439d32fdfd627ac898657b4a7e5fceb4e13d4c33a45d079c03a2568a5944fae2d6f5dbf0f22b9e37b125ef68ab

              • memory/3368-173-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-188-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-225-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-224-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-219-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-216-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-214-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-213-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-162-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-163-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-165-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-166-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-167-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-168-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-169-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-170-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-171-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-172-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-212-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-174-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-176-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-178-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-180-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-181-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-182-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-183-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-184-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-186-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-211-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-189-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-190-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-191-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-192-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-193-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-194-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-195-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-196-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-200-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-201-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-202-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-203-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-204-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-209-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/3368-210-0x00007FFE863B0000-0x00007FFE8641E000-memory.dmp

                Filesize

                440KB

              • memory/4760-218-0x0000000000350000-0x0000000000375000-memory.dmp

                Filesize

                148KB

              • memory/4760-132-0x0000000000350000-0x0000000000375000-memory.dmp

                Filesize

                148KB

              • memory/4760-134-0x0000000000350000-0x0000000000375000-memory.dmp

                Filesize

                148KB

              • memory/4760-133-0x0000000000860000-0x0000000000863000-memory.dmp

                Filesize

                12KB