Analysis

  • max time kernel
    147s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 10:13

General

  • Target

    db0276025aad4d2c3fd05ec76e8a7bcc5801cbf0cf23b42e5ee4138b2d7c9c17.exe

  • Size

    57KB

  • MD5

    65357f682c11e1ba994a80106275ff6f

  • SHA1

    64d24fafbdbe9e1fc8afc113e7c60fba863e40a3

  • SHA256

    db0276025aad4d2c3fd05ec76e8a7bcc5801cbf0cf23b42e5ee4138b2d7c9c17

  • SHA512

    41d70e1b5c88f2c354519d5a67f62bf29c16e7c448c99945c7f71e79c5f0022e9e2080231fe00f15bb18c125268027b319da4d0bf1d4268c25c07b44e3cb5f6a

  • SSDEEP

    1536:+TbbFsJXt+zYI6evWmB05G4MkX9hqHvlLkrS:+ZMXE81b9Okb09GS

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 25 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\db0276025aad4d2c3fd05ec76e8a7bcc5801cbf0cf23b42e5ee4138b2d7c9c17.exe
    "C:\Users\Admin\AppData\Local\Temp\db0276025aad4d2c3fd05ec76e8a7bcc5801cbf0cf23b42e5ee4138b2d7c9c17.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mother_check219.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3696
      • 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:388
        • 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:1392
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1392 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2436
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\PPLive\1.inf
          4⤵
            PID:4804
          • 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:884
            • 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:1288
            • 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:3512
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?o"" /f
              5⤵
                PID:4116
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:720
              • 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:1548
              • 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:2368
              • 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:5028
              • 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:2500
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:5100
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:3352
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:808
            • C:\Users\Admin\AppData\Local\Temp\inl4A35.tmp
              C:\Users\Admin\AppData\Local\Temp\inl4A35.tmp
              2⤵
              • Executes dropped EXE
              PID:2648
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DB0276~1.EXE > nul
              2⤵
                PID:4432

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              471B

              MD5

              fd70739fca5345a28f924f9102ae10ee

              SHA1

              6ce3f92183544f3bf52cb76364591589cb940a19

              SHA256

              f238404cc643efddef8ff430f128cdc8ec1513969eaac24b5e5bce81248a91e7

              SHA512

              a787d3a2bceeaed2f2a29f357df6ae17d5b9f66a3c561550d5f83c308ad26a1ddf876488151ff5e51ce93bfb9d0c7b8ca812d595e8d3ebdda7d805707ac1b278

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

              Filesize

              404B

              MD5

              bfa59dd1b7f5e17e170434cd3657ba09

              SHA1

              9190d611b450c5e864026e06fc40026e54e3f953

              SHA256

              fecddd07504f61359576cd82a6bf0391fc434b46b62923cfab8eac68881ac32e

              SHA512

              10525a9f576c8a71b3a1c4a87d28b923b4be76f56d2df6ef95fdecb7ecca3d5274d02e0af7440aa2c21c2c1b15a591c5652ff0257fe6c8b1328e8af31b7665e2

            • C:\Users\Admin\AppData\Local\Temp\inl4A35.tmp

              Filesize

              57.2MB

              MD5

              d91c98e987b17a657b6e6eda6f1a3aa7

              SHA1

              905cbf85b0aa311e5a82a6bd6db38501858864d0

              SHA256

              ffbd0b52edecea12491933667cc59b751b7dd2a6f38681fe08b0e316289b438e

              SHA512

              649b5f2538963fc9959b8a3d27f757a19e2b016943894fd24bf009311893686cf32900b3fc02d6b55c9e213e4836ae58a644b00ad68532781cf32352f8aec86f

            • C:\Users\Admin\AppData\Local\Temp\inl4A35.tmp

              Filesize

              57.2MB

              MD5

              d91c98e987b17a657b6e6eda6f1a3aa7

              SHA1

              905cbf85b0aa311e5a82a6bd6db38501858864d0

              SHA256

              ffbd0b52edecea12491933667cc59b751b7dd2a6f38681fe08b0e316289b438e

              SHA512

              649b5f2538963fc9959b8a3d27f757a19e2b016943894fd24bf009311893686cf32900b3fc02d6b55c9e213e4836ae58a644b00ad68532781cf32352f8aec86f

            • C:\Users\Admin\AppData\Local\Temp\mother_check219.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

              6de0a3facd70e109df6278217453d09f

              SHA1

              81916f1fc3ac3a0b6b7a001faa045b6367a3d718

              SHA256

              2344ee5f684befc8ec505c73de09d8e7cdfca9fb81cdeecf4da01095cd415c80

              SHA512

              5dcf887f0f15a54d834b5a9e54ccf17c8087387775de5f5d517e883d64778cb36dcf9785a2675a7f2565c72dc2fe77b4aae43d243ae0d9db780f8f310e579252

            • memory/1392-203-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-212-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-149-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-147-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-153-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-154-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-155-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-157-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-158-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-160-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-148-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-162-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-163-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-165-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-226-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-167-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-224-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-169-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-171-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-174-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-175-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-177-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-146-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-225-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-145-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-223-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-176-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-222-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-220-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-143-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-142-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-219-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-218-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-186-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-217-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-214-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-191-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-192-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-193-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-194-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-199-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-200-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-215-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-201-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-213-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-211-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-205-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-150-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/1392-210-0x00007FF9721C0000-0x00007FF97222E000-memory.dmp

              Filesize

              440KB

            • memory/4240-132-0x0000000000500000-0x0000000000527000-memory.dmp

              Filesize

              156KB

            • memory/4240-204-0x0000000000500000-0x0000000000527000-memory.dmp

              Filesize

              156KB

            • memory/4240-134-0x0000000000500000-0x0000000000527000-memory.dmp

              Filesize

              156KB

            • memory/4240-133-0x0000000000F70000-0x0000000000F73000-memory.dmp

              Filesize

              12KB