Analysis

  • max time kernel
    190s
  • max time network
    225s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 04:53

General

  • Target

    b152d282d9c7fad2d9c7f9bd9959905328c0eb08ba8e1b9c02a80e59eccd4b89.exe

  • Size

    168KB

  • MD5

    5348905e99895c70dfe475eda6afef0e

  • SHA1

    f69c8821bb1b0e6a5d2a225a21b922200d0f141d

  • SHA256

    b152d282d9c7fad2d9c7f9bd9959905328c0eb08ba8e1b9c02a80e59eccd4b89

  • SHA512

    2cc98d1bd76ff0a982f5cc93c4e9cd5adcadd23cd04eb323f4f6cf44f26fdbb018107360dacc83251dce619b676ae87c63b25620954b02ae99058f78ae746adf

  • SSDEEP

    1536:AgIMXN4czoLRpCt98SaE4cku5V72O0zR1VuCEWWAERIxpE+R:BBARzSaEkuj72rzR1VuzWWCN

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 43 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\b152d282d9c7fad2d9c7f9bd9959905328c0eb08ba8e1b9c02a80e59eccd4b89.exe
    "C:\Users\Admin\AppData\Local\Temp\b152d282d9c7fad2d9c7f9bd9959905328c0eb08ba8e1b9c02a80e59eccd4b89.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3500
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\julia_fun219.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1484
      • 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:1740
        • 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:1304
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1304 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2592
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:2016
          • 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:1044
            • 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:2836
            • 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:3672
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
              5⤵
                PID:1856
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:780
              • 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:3464
              • 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:3132
              • 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:4712
              • 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:1840
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:2104
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:4124
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:4848
            • C:\Users\Admin\AppData\Local\Temp\inl7898.tmp
              C:\Users\Admin\AppData\Local\Temp\inl7898.tmp
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:428
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl7898.tmp > nul
                3⤵
                  PID:2724
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B152D2~1.EXE > nul
                2⤵
                  PID:3380

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\inl7898.tmp

                Filesize

                57.2MB

                MD5

                08856ed5a4b907af445ed2cc82f11861

                SHA1

                50441333164f19a94783bc7956fbee7d49593aae

                SHA256

                08ddece5d2d37ea6212c7c6d27ced8d1600b9f55dad75fa56f78a4d7c84b5107

                SHA512

                3dbc698edb0c3106ac3966f7a25e8dd8cb5b6c486b7215993bb409d3c4df0a8cf20f8a11ef171dda09eca2ba6f38b8ebba7f53ddb878a0f34eb9226261ecc962

              • C:\Users\Admin\AppData\Local\Temp\inl7898.tmp

                Filesize

                57.2MB

                MD5

                08856ed5a4b907af445ed2cc82f11861

                SHA1

                50441333164f19a94783bc7956fbee7d49593aae

                SHA256

                08ddece5d2d37ea6212c7c6d27ced8d1600b9f55dad75fa56f78a4d7c84b5107

                SHA512

                3dbc698edb0c3106ac3966f7a25e8dd8cb5b6c486b7215993bb409d3c4df0a8cf20f8a11ef171dda09eca2ba6f38b8ebba7f53ddb878a0f34eb9226261ecc962

              • C:\Users\Admin\AppData\Local\Temp\julia_fun219.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

                5.8MB

                MD5

                e9475fbd854f88a7d93ac9a5c87cd769

                SHA1

                86d04b941966b3a51a8c7b659ec031c058031dd7

                SHA256

                0c532e6af2f106b2b461c5f89dd20229dddef5853cdb2aa3c2f1dc2a90b89fd0

                SHA512

                33da4cd70a7de3d479b1e0960446782e54f0b8846e318b3f22e2e8d8c14822d334524192080a31ca08f154b51453666f2b17f267d88fe581b25d4e5153b65102

              • memory/1304-172-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-201-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-223-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-148-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-222-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-221-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-151-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-220-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-219-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-218-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-156-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-157-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-213-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-160-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-162-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-212-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-165-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-211-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-167-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-169-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-210-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-209-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-208-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-161-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-158-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-204-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-203-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-174-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-202-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-177-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-179-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-181-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-180-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-182-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-183-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-184-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-185-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-187-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-190-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-191-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-193-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-194-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-195-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-196-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-197-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-198-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-199-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/1304-200-0x00007FFA03480000-0x00007FFA034EE000-memory.dmp

                Filesize

                440KB

              • memory/3500-132-0x0000000000400000-0x000000000042A000-memory.dmp

                Filesize

                168KB

              • memory/3500-171-0x0000000000400000-0x000000000042A000-memory.dmp

                Filesize

                168KB