Analysis

  • max time kernel
    151s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2022 17:38

General

  • Target

    bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82.exe

  • Size

    59KB

  • MD5

    6b9b79dd789a6e333bbcacb81be8127a

  • SHA1

    d3977282b5b65d5813949d4c263f616763503a0e

  • SHA256

    bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82

  • SHA512

    1726310956bb796cfd468385d4c8bbaeb5c03659680067195d9c4a02ecfbac9295f8ce2d51aad04ba4e67952d43f6fc7f2c601fd791817339848ce3e0023b31a

  • SSDEEP

    1536:YZmXB5jD0JI2ibtCbYvFOUOYvNTpc/M46YUm:0V4hzd1OYd6E461m

Malware Config

Signatures

  • joker

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

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows 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 41 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82.exe
    "C:\Users\Admin\AppData\Local\Temp\bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\pauseguicite372.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1824
      • 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:576
        • 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:1672
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1672 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1336
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          PID:1160
        • 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:344
          • 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:1632
          • 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:2020
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
            5⤵
              PID:1940
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
              5⤵
              • Modifies registry class
              PID:1708
            • 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:1792
            • 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:1416
            • 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:956
            • 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
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:1592
              • C:\Windows\SysWOW64\runonce.exe
                "C:\Windows\system32\runonce.exe" -r
                6⤵
                • Checks processor information in registry
                PID:1560
                • C:\Windows\SysWOW64\grpconv.exe
                  "C:\Windows\System32\grpconv.exe" -o
                  7⤵
                    PID:320
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 D:\VolumeDH\inj.dat,MainLoad
                5⤵
                  PID:1696
          • C:\Users\Admin\AppData\Local\Temp\inl4B07.tmp
            C:\Users\Admin\AppData\Local\Temp\inl4B07.tmp
            2⤵
              PID:2884
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\BD134C~1.EXE > nul
              2⤵
                PID:3028

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\inl4B07.tmp

              Filesize

              1.4MB

              MD5

              ae02eb2fe953b724b476e75aef83c502

              SHA1

              877a9535bbad1502d95a3a51f739657400ecfbc7

              SHA256

              28362027bb3ab320aa2da56975e1462959053d648bacf3a42de9f72055ee74f9

              SHA512

              614a76881ad1ca518aa1d81f8b3facefa72863f4547b1513449b72fce5d35a43d3227aa17451355abeae4d9745b7d2953172d9d4849b0dea3c5f36a17f20277c

            • C:\Users\Admin\AppData\Local\Temp\pauseguicite372.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

              12.3MB

              MD5

              960458196b78c0a688ff956f57661b48

              SHA1

              676d14a4626d710192049144ae974c2cbdf97d25

              SHA256

              3bc14186383ac1a9470fa61967a0a1645726ebec0ce704cda9be834f0203ef79

              SHA512

              a2853a310c62679125d21b3b9dbd2c3b9659d9f91d1cd7b1345089ddf951a0df1c0633fda0d35cdc1cb92c4166b1550a6840b0ceba8769153cbc794160a1dbd4

            • \Users\Admin\AppData\Local\Temp\inl4B07.tmp

              Filesize

              1.9MB

              MD5

              9283db1ba5141b5c1bdff94487bfd954

              SHA1

              3be4e0ca868db942db5f569bb1976a0c87b4f1d9

              SHA256

              f41c336a1b2afe530a5f1bb8d1dfa57f86e36515af8ff6b9e0d695372f7fe494

              SHA512

              22f1f990e079d7735c655bef00fa82dc940e1cb24e934d9d15bb3a1a03b91d3f13bc3af252344d05b3ba7fd3a474252bdc008b60e8fae4caad3efe85dc8ec2ac

            • \Users\Admin\AppData\Local\Temp\inl4B07.tmp

              Filesize

              1.9MB

              MD5

              9283db1ba5141b5c1bdff94487bfd954

              SHA1

              3be4e0ca868db942db5f569bb1976a0c87b4f1d9

              SHA256

              f41c336a1b2afe530a5f1bb8d1dfa57f86e36515af8ff6b9e0d695372f7fe494

              SHA512

              22f1f990e079d7735c655bef00fa82dc940e1cb24e934d9d15bb3a1a03b91d3f13bc3af252344d05b3ba7fd3a474252bdc008b60e8fae4caad3efe85dc8ec2ac

            • memory/1672-63-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

              Filesize

              8KB

            • memory/1672-66-0x0000000002160000-0x0000000002170000-memory.dmp

              Filesize

              64KB

            • memory/1928-62-0x00000000002B0000-0x00000000002BF000-memory.dmp

              Filesize

              60KB

            • memory/1928-87-0x0000000001080000-0x00000000010A7000-memory.dmp

              Filesize

              156KB

            • memory/1928-54-0x0000000075E11000-0x0000000075E13000-memory.dmp

              Filesize

              8KB

            • memory/1928-56-0x0000000000020000-0x0000000000023000-memory.dmp

              Filesize

              12KB

            • memory/1928-55-0x0000000001080000-0x00000000010A7000-memory.dmp

              Filesize

              156KB