Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 04:31

General

  • Target

    5b1ea636490bfe74546dbb5f7757e25d9314a837e33403c042f21c769dc06b29.exe

  • Size

    164KB

  • MD5

    3040458d5d9b7bd9d1f86e417a0645ce

  • SHA1

    b168f84de222800d79ca488c33e6bb480b1ab05c

  • SHA256

    5b1ea636490bfe74546dbb5f7757e25d9314a837e33403c042f21c769dc06b29

  • SHA512

    089af126d61ccd958c979c53da9450bec1dd0e92ee7a93ea76277990453ac04d00faf1f0a82dc144067f2fa1f0dc8550d3b8fa85d4aa039500d0bb89c30df7c8

  • SSDEEP

    3072:hh+7Du+WxLPt0fyHJBpn5Fu1k42FEmGcxs:hh+7i+yVdJBpn5sJ2FQD

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 1 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 46 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b1ea636490bfe74546dbb5f7757e25d9314a837e33403c042f21c769dc06b29.exe
    "C:\Users\Admin\AppData\Local\Temp\5b1ea636490bfe74546dbb5f7757e25d9314a837e33403c042f21c769dc06b29.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pds2010_check.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3980
      • 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:3088
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://WWw.cnkankan.com/?71628
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:456
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:456 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1820
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:668
          • 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:5108
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?i"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:3264
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.71628.com/?i"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:2780
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.71628.com/?i"" /f
              5⤵
                PID:3076
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:4648
              • 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:4668
              • 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:2144
              • 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:3368
              • 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:4660
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:2368
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:3100
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:3520
            • C:\Users\Admin\AppData\Local\Temp\inlA0F.tmp
              C:\Users\Admin\AppData\Local\Temp\inlA0F.tmp
              2⤵
              • Executes dropped EXE
              PID:4828
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5B1EA6~1.EXE > nul
              2⤵
                PID:2880

            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

              2d2178c4ba2e01df79b6e787caecd70e

              SHA1

              32feba9571993a2bdccc68d6de1bdd68f82cfbf8

              SHA256

              ba9dee61d1e95e7b33bdf223da96a8348a890459853c5437cd7981520d43849d

              SHA512

              23d8a224158a47ed813aa0ffec86f915fe28eaed3612f0e93be64bef5bfe08044730a550a3b7546e131fc3810c39defd6602ef30ed2f058336b8e7c5b5cd238c

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

              Filesize

              434B

              MD5

              bdee0f21f402ef15309a682c41109908

              SHA1

              0d951552dd3a9f98e71dd6331d4b7eccc6351607

              SHA256

              4b1549164f602c296081f80227c1bea7a49f7a75d6bd907e66aa6cada8f6b6e1

              SHA512

              0bb9a4bc17f5e35bbb857e9dba8b9e435c0166eb4b324de04ee5b05535daf00ceff259ba1e5e1e1807087c9c8348ce304bfe77b8b1d5b2bf021c2ec390060551

            • C:\Users\Admin\AppData\Local\Temp\inlA0F.tmp

              Filesize

              57.2MB

              MD5

              d083e5fc3eee453cd5a0cae21947b6a3

              SHA1

              f85b0643d4598bb136f9dc4a8336df768a1c2fcb

              SHA256

              90ca40b40b1c8ad3e426fbde53a4edb22836dba466f72234333b62b345c8f19e

              SHA512

              015976402e5768dee152f09776dac2cf0841fb5b2c7bd20319c2315ea63c635cef09af5e759369e150bc67d8bdd4c427117ca5765b2a1cf9379d545898dcce4e

            • C:\Users\Admin\AppData\Local\Temp\inlA0F.tmp

              Filesize

              57.2MB

              MD5

              d083e5fc3eee453cd5a0cae21947b6a3

              SHA1

              f85b0643d4598bb136f9dc4a8336df768a1c2fcb

              SHA256

              90ca40b40b1c8ad3e426fbde53a4edb22836dba466f72234333b62b345c8f19e

              SHA512

              015976402e5768dee152f09776dac2cf0841fb5b2c7bd20319c2315ea63c635cef09af5e759369e150bc67d8bdd4c427117ca5765b2a1cf9379d545898dcce4e

            • C:\Users\Admin\AppData\Local\Temp\pds2010_check.bat

              Filesize

              53B

              MD5

              23962a245f75fe25510051582203aff1

              SHA1

              20832a3a1179bb2730194d2f7738d41d5d669a43

              SHA256

              1abcea214b9b2bd76cc04be07ae2d4d70371e6ca443d99f4f1327afe7a5fc647

              SHA512

              dc36b64f2dbb710652900a31295c148760b0c44eae13515aa29613916c9dffe3d8e55ba61568f7c27b43bf0c341f7dcd4b9c721f81627fc6bb915b15c358fe80

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

              Filesize

              630B

              MD5

              def799e58a41b0cc7912581957c6b70b

              SHA1

              92b7b065250910aae63b782c8aa9548289b7d7d5

              SHA256

              d5c4b84330a5c67f8c86ee470c66ff8f52124f6dbcb29f939561c9013b5c6c20

              SHA512

              20be77f16b629d023a4456925ec3d093fd3f202f6b208dd42c878614248b78da52da0f5c004d06d7d4d1583291ce6901e9d8157eadf129b7032b2fb902eb1ce5

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

              Filesize

              3KB

              MD5

              286fe459674aef6eee17f6ac79a15fdb

              SHA1

              233dc43099c575a67b05fc1076e676324fd6e63d

              SHA256

              872cc596dc1fe6d5a131129bd84c2a76d6874e9c57ab2cd792d4d12b6f014fd2

              SHA512

              c9acc4a134001da76e7ae6aa5ae65ce58501942dfc1f80959ae4db27c06010db753c9d115eedbe0b2b0e30dd5c4dcd1d32816493b053c65cee81d3a343c87314

            • 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

              d4917ae9072a10d8e12ef3b282b25b3b

              SHA1

              bd9ec6c6395997525ec7c15ecca2f115573cc14c

              SHA256

              6f7649988962c61ac7644262ee6082ef352bbb00cb155a3f4ef0467fbdf1c67b

              SHA512

              c6ed3119e008191ad56050f6b72a2d64e908c57e80fd0c252b8b1947cf091644c83b6bc16c56d6e2153579eb3e8711c8cd608977426a0906d56a7713bfca309d

            • 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

              ee3b869031e640f8298cfbe19ffcbb15

              SHA1

              4743497bdd3f83fed51cb973ce3f8784f95306d7

              SHA256

              816102d9a610e8c6e20a59cf81e663c73c3ba3276c584b228ea917a2a6a52e6f

              SHA512

              fc838b04e4ee0d9cf9391780d67b30ba16c6c06f65e56cfd21ec0b65fa9abf47c70f1e7cb709b0e49dd4256d19422fb53451070f2500891da0c39690d51f951e

            • memory/456-174-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-182-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-146-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-147-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-223-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-149-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-150-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-151-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-153-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-154-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-222-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-158-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-157-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-143-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-162-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-163-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-217-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-165-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-140-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-166-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-167-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-139-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-171-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-168-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-175-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-177-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-216-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-178-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-214-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-179-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-180-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-213-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-181-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-145-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-212-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-184-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-188-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-211-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-190-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-210-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-194-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-208-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-201-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/456-197-0x00007FFAB9190000-0x00007FFAB91FE000-memory.dmp

              Filesize

              440KB

            • memory/5068-132-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/5068-176-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/5068-133-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB