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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
    03/10/2022, 11:07

General

  • Target

    656965ff912d4e2bb0ffd5faed929f108a079cfe443cce614f4abbe094af3648.exe

  • Size

    54KB

  • MD5

    45420e6e4d61b6f64eae174b08cc8dd9

  • SHA1

    a6e174c5767aa1ab9e8eb3cf9d3c406eafd768f6

  • SHA256

    656965ff912d4e2bb0ffd5faed929f108a079cfe443cce614f4abbe094af3648

  • SHA512

    69fcdb7834f2c1f35f719525f308c24220ff3191a427ce6957550bc7df4e9b7622f560e1c209abb880a0625813b545ca1c4158639e7f44af8a3ad94dcdd5b746

  • SSDEEP

    1536:smL/ODyx+/DZZoKl5TvvYkP9fQQ57lDElNO8:bd+/DLoUTnYgKQLn8

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 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\656965ff912d4e2bb0ffd5faed929f108a079cfe443cce614f4abbe094af3648.exe
    "C:\Users\Admin\AppData\Local\Temp\656965ff912d4e2bb0ffd5faed929f108a079cfe443cce614f4abbe094af3648.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s_g_l_209.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2172
        • 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:1764
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1764 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1128
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\1.inf
          4⤵
            PID:4072
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\2.bat
            4⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:820
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:448
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:5020
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
              5⤵
                PID:2224
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:1512
              • 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
                5⤵
                • Modifies registry class
                PID:3100
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:4616
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:3812
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\2.inf
                5⤵
                • Adds Run key to start application
                • Suspicious use of WriteProcessMemory
                PID:4536
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:3388
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:4488
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:1344
            • C:\Users\Admin\AppData\Local\Temp\inl1337.tmp
              C:\Users\Admin\AppData\Local\Temp\inl1337.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1792
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl1337.tmp > nul
                3⤵
                  PID:544
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\656965~1.EXE > nul
                2⤵
                  PID:3088

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                1KB

                MD5

                049e80431c86a3e70e94ecf2f1ec5684

                SHA1

                37f15225841d9c23aa6670aeb5604636983c55e9

                SHA256

                fa11bd15f79c6cdfd567f9836a4c9750fd925e7af325e02a120e1c584c72f6a1

                SHA512

                1ffe0e8e554cc543752c846ffb254c4668f091f3386cc56fb9f1cf2fa2c312cb5b4abccde41beecc3fe70c554a9316a311d0846ee351adb471870d554e217b6c

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

                Filesize

                791B

                MD5

                1706b41fd446b5718a8419c0fcb35d55

                SHA1

                d9bb8df22acdc60c754ac14982cf795df3b1b815

                SHA256

                5c6d11ac3f220f8286455764ab2581dcb6554692d3b9974b097364d77edb3943

                SHA512

                68c9f6170ecdfcc79fc63cb646901d2ac52a915620b159047b2c93761c261897eb5ecc15065635105637a61a840d393104c15ea8268897fb8bb2fbc1a56c626e

              • C:\Users\Admin\AppData\Local\Temp\inl1337.tmp

                Filesize

                57.2MB

                MD5

                ddcb24c1f2c8b1b651def30530726264

                SHA1

                2633bd214e9b992e7553e6d8e0ad3bcd599b9742

                SHA256

                aec1b8d7a2d19fad8635c4cc94cc579bdb6d82486b5fd78c5328333df73bb553

                SHA512

                bbed679d57512de55893f605bc73b9af6eabab0f746f9efda3e93dca3f6432d5bfbe0c11edd77ca5e1eb0b261003daccf09c13c00d12c82645cad1d00fe698b6

              • C:\Users\Admin\AppData\Local\Temp\inl1337.tmp

                Filesize

                57.2MB

                MD5

                ddcb24c1f2c8b1b651def30530726264

                SHA1

                2633bd214e9b992e7553e6d8e0ad3bcd599b9742

                SHA256

                aec1b8d7a2d19fad8635c4cc94cc579bdb6d82486b5fd78c5328333df73bb553

                SHA512

                bbed679d57512de55893f605bc73b9af6eabab0f746f9efda3e93dca3f6432d5bfbe0c11edd77ca5e1eb0b261003daccf09c13c00d12c82645cad1d00fe698b6

              • C:\Users\Admin\AppData\Local\Temp\s_g_l_209.bat

                Filesize

                54B

                MD5

                504490369970f1c0eb580afbcdf91618

                SHA1

                b52f65cd538e6c998b2c7e3167f9c8e8fa6c7971

                SHA256

                a13a0579286521f0d7cb55fc7d28c6d33f14c0573e9e69f7584fa4008a8e7d43

                SHA512

                5495ce79abf0fc4ffbfaf9aefa484145f4e0d3e8457be0e2e4dfb1284fb5413016f2d9867e2386db5c4f7b51863bfffeae8ea6bd879053fdf6a928ab2a0857ad

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

                Filesize

                3KB

                MD5

                168976102055ae6902b5d251d4b39401

                SHA1

                37c28d5b4d19bf3ef0be7be04ac4b54c71866773

                SHA256

                aabf9954046b451c6287c18b37448dbce289b0a76bb0bcbe72b7e97b6ebfc9fc

                SHA512

                95474e88ce99544ab19d25c3f96b348b99733858b8382baeedce62748444b529e55c0c4df84c20ff05eb7b3172baaa22ade7604c7288b536e1895cd95dbc42a6

              • 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

                428b15afd0f31b5f77d86f84a2e0bf36

                SHA1

                e76c640936f9ea1a4cf0f26e5417d4cbbde08ea2

                SHA256

                390a9eb07646fea162115045ea2b76a3a248d8823e7dc4a54851c39463ddfdb5

                SHA512

                3272917c8a65641eb39c280ba2f23c359145d8951ec78d803143fdbfa87cf6233a4d3a03607bcae7703f718dc592297aefc69726086a206e5d0bffd5655d8ca4

              • 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

                e5f26a0bec9a7c28ca90ab28cb1337b4

                SHA1

                1eedd923275a2090982f111d0c6792b565f94fd4

                SHA256

                1a399cc0d29993f674e1061f1ab8c2cb3837d952b199f827da0cfef1d5710dc2

                SHA512

                c0c2359968ab193ca704ab04a2e6bd79cec9bc6d0d4bf6f19507cc8b00aa29e93d4d4813c2be5f6144dea3d572882690694ab695d92a5095b3ce10c937d006dd

              • memory/1764-200-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-204-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-143-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-151-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-152-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-154-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-150-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-157-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-156-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-224-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-149-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-161-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-147-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-166-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-145-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-160-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-167-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-168-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-223-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-170-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-218-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-141-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-217-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-215-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-173-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-214-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-140-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-181-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-182-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-183-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-213-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-212-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-187-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-188-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-211-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-190-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-191-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-210-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-205-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-194-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-146-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-202-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/1764-201-0x00007FFC2F130000-0x00007FFC2F19E000-memory.dmp

                Filesize

                440KB

              • memory/4024-175-0x0000000000480000-0x00000000004A5000-memory.dmp

                Filesize

                148KB

              • memory/4024-132-0x0000000000480000-0x00000000004A5000-memory.dmp

                Filesize

                148KB

              • memory/4024-134-0x0000000000480000-0x00000000004A5000-memory.dmp

                Filesize

                148KB

              • memory/4024-133-0x0000000000B30000-0x0000000000B33000-memory.dmp

                Filesize

                12KB