Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 20:24

General

  • Target

    d5442275ac32fa2416bddc1a128fb947f48dca84abec1a78e4ac900424b3ca7e.exe

  • Size

    168KB

  • MD5

    84e72318c27f94e22fbc87114311752b

  • SHA1

    da05125099140e4683aa4399af47e6346ab083e9

  • SHA256

    d5442275ac32fa2416bddc1a128fb947f48dca84abec1a78e4ac900424b3ca7e

  • SHA512

    0833fc748e6b4d8544f8914aefcb29fc94336534ff51786cadacc20b4da3769fc472f59c2576552e7a561f6b0e7e20e19a93c56f318f5fb9cb1745777b189c70

  • SSDEEP

    1536:aHob+TnkkpRNGojAbnXlkjZ2G+7ErBnOZn2KcGO3Ekm+7UmNhG6n3+A:sOukkJGoEbXldaE5eAu

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.

  • Loads dropped DLL 2 IoCs
  • 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 60 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 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\d5442275ac32fa2416bddc1a128fb947f48dca84abec1a78e4ac900424b3ca7e.exe
    "C:\Users\Admin\AppData\Local\Temp\d5442275ac32fa2416bddc1a128fb947f48dca84abec1a78e4ac900424b3ca7e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\teacher2011_check.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1524
      • 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:1004
        • 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:1264
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1264 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1960
        • 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:1616
        • 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:1632
          • 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:2024
          • 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:904
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
            5⤵
              PID:1288
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
              5⤵
              • Modifies registry class
              PID:1040
            • 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:1620
            • 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:1100
            • 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:1580
            • 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:1176
              • C:\Windows\SysWOW64\runonce.exe
                "C:\Windows\system32\runonce.exe" -r
                6⤵
                • Checks processor information in registry
                PID:852
                • C:\Windows\SysWOW64\grpconv.exe
                  "C:\Windows\System32\grpconv.exe" -o
                  7⤵
                    PID:1588
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 D:\VolumeDH\inj.dat,MainLoad
                5⤵
                  PID:1608
          • C:\Users\Admin\AppData\Local\Temp\inl4473.tmp
            C:\Users\Admin\AppData\Local\Temp\inl4473.tmp
            2⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2696
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl4473.tmp > nul
              3⤵
                PID:3052
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D54422~1.EXE > nul
              2⤵
                PID:1640

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

              Filesize

              61KB

              MD5

              3dcf580a93972319e82cafbc047d34d5

              SHA1

              8528d2a1363e5de77dc3b1142850e51ead0f4b6b

              SHA256

              40810e31f1b69075c727e6d557f9614d5880112895ff6f4df1767e87ae5640d1

              SHA512

              98384be7218340f95dae88d1cb865f23a0b4e12855beb6e74a3752274c9b4c601e493864db777bca677a370d0a9dbffd68d94898a82014537f3a801cce839c42

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

              Filesize

              342B

              MD5

              6a03560cfef62f16606fef6435584a75

              SHA1

              4d0eb3614192ccee0cafa3410ef39ec9ab939e6a

              SHA256

              3a0fe44e3e3af3873135de562135595156d2b1d7e30cbb95080f42ffcb792f3e

              SHA512

              f5a84855b2fd15e8da1f31d5a35459302dc9588c3d6ca41512be91391ea72e84a5f4af31e66db1fc735ee5d4a0077c32e17a470ddbd672ade15761c0ce2e83d8

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\309axvf\imagestore.dat

              Filesize

              5KB

              MD5

              5fbfad1f36cbe37f51fece7a929a1ef8

              SHA1

              e3280cd13a667e17b65aea2000fc45bb8199b1ff

              SHA256

              970cd4be25a9f2d17aea89ca29f2ad028011c667d5c676df342e5069d328a53f

              SHA512

              4ed912cd12357d81a7baf8aedecbbded98e805e306dbf7be1dccbc09042e203a6dad2b9e8b0780dfc521fb0a1a7242b5a15ca3f059331eb6d1329dbf8462f662

            • C:\Users\Admin\AppData\Local\Temp\inl4473.tmp

              Filesize

              122.8MB

              MD5

              e540081aa305d846fd1e0c30a9367b1c

              SHA1

              461ab2a1aabdcbb9948f8fa3c82942ec09c4b959

              SHA256

              403144a9c369004f9c34f2ebe3970894ad57d5961eabbbf4b9348a9ed24c95a5

              SHA512

              7985854fd1001309d46efc121ecea0a8c62c55f68a01bf9201be685fb2f4422f57374f7219cdec39aef606561da084d3961a59bfaec544de06ba0594efad93fb

            • C:\Users\Admin\AppData\Local\Temp\inl4473.tmp

              Filesize

              21.4MB

              MD5

              7fcfdfe4a6646afd49108ab9fb8f5f0f

              SHA1

              5ffa1d3509f96d337ee5b8491fbf704499de01d9

              SHA256

              b9ba914828a43f89b33676bc3cb9302edfe33b8d60c1399357b08d753c0ce2a1

              SHA512

              fe274f10a2165d1604f1a2a61df71fb7077d61aa8417137069a7a50eeda9f79f33dedcfa37aa2507f69af71d1266a97c08fc80a3f91955acadaa682db498db79

            • C:\Users\Admin\AppData\Local\Temp\teacher2011_check.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\Microsoft\Windows\Cookies\CE2EL2LL.txt

              Filesize

              608B

              MD5

              818988f0d5b92a598e9e9c3aa5be19e8

              SHA1

              987a22eafe45fab30346f7f5d69fd3f746b83675

              SHA256

              41cb243a338f47135d10287d4b9ae8f8aae8b32a2b6cdcb6fa44aede41114ff3

              SHA512

              ed02e657fb9c89d4cb3615c3d0b2a0fec2bae3ca277f23e6ad86a70502bc28cda064903beccd76664242bdbfccba7cb8b04606051d86fe6a5a6df705bc247f6e

            • 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

              d1db27dd0d7191a328b2cada969288e4

              SHA1

              5f130ed8857bb5dca79e1181052ae9ecc27999a1

              SHA256

              2ed86cbecad30b234e72128758a7ebf64dc0f0d8312b3f4d6fba91be4660170a

              SHA512

              b28fd6c8ba3e7aaac98d8e1f82c2a3c98a20287eb118ff5b74398c3d7bbdac9587d13cffc8f5d17f8d85a4dbbf22e7e6dc30bad07d92d16c322e9a902dc17826

            • \Users\Admin\AppData\Local\Temp\inl4473.tmp

              Filesize

              122.8MB

              MD5

              e540081aa305d846fd1e0c30a9367b1c

              SHA1

              461ab2a1aabdcbb9948f8fa3c82942ec09c4b959

              SHA256

              403144a9c369004f9c34f2ebe3970894ad57d5961eabbbf4b9348a9ed24c95a5

              SHA512

              7985854fd1001309d46efc121ecea0a8c62c55f68a01bf9201be685fb2f4422f57374f7219cdec39aef606561da084d3961a59bfaec544de06ba0594efad93fb

            • \Users\Admin\AppData\Local\Temp\inl4473.tmp

              Filesize

              122.8MB

              MD5

              e540081aa305d846fd1e0c30a9367b1c

              SHA1

              461ab2a1aabdcbb9948f8fa3c82942ec09c4b959

              SHA256

              403144a9c369004f9c34f2ebe3970894ad57d5961eabbbf4b9348a9ed24c95a5

              SHA512

              7985854fd1001309d46efc121ecea0a8c62c55f68a01bf9201be685fb2f4422f57374f7219cdec39aef606561da084d3961a59bfaec544de06ba0594efad93fb

            • memory/1716-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

              Filesize

              8KB

            • memory/1716-91-0x0000000000400000-0x000000000042A000-memory.dmp

              Filesize

              168KB

            • memory/1716-55-0x0000000000400000-0x000000000042A000-memory.dmp

              Filesize

              168KB