Analysis

  • max time kernel
    154s
  • max time network
    187s
  • 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

    ddbb2bffd57c8a5f804156b2247dd3d748f90248b16cdb009a0373b9f7fa14a5.exe

  • Size

    168KB

  • MD5

    6641c28071080bee63f5e43c221747fa

  • SHA1

    cde4668b2bd81611344d3fa790ef1f05f25c9b84

  • SHA256

    ddbb2bffd57c8a5f804156b2247dd3d748f90248b16cdb009a0373b9f7fa14a5

  • SHA512

    c53c4eeead7ee11d244b5d1c501a262dadb5baa2683e944e14d8123f2eb91f0e421f2550770647b1819f3e3cfeb51d35b9084e21ef0c3209514e9d86c7de8266

  • SSDEEP

    3072:xmFnMtkDAUvtuVCDAV8FuXAvje1ofqjtm5uLHiwXemf:xm5FAUvtuVCDAV8FuXAvje1ofqjtmgLJ

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\ddbb2bffd57c8a5f804156b2247dd3d748f90248b16cdb009a0373b9f7fa14a5.exe
    "C:\Users\Admin\AppData\Local\Temp\ddbb2bffd57c8a5f804156b2247dd3d748f90248b16cdb009a0373b9f7fa14a5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\mother_check219.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1548
      • 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:988
        • 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:1668
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:816
        • 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:1928
        • 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:396
          • 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:1564
          • 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:1912
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\tmp" /v "key" /d ""http://www.71628.com/?i"" /f
            5⤵
              PID:888
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
              5⤵
              • Modifies registry class
              PID:668
            • 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:692
            • 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:836
            • 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:804
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32 D:\VolumeDH\inj.dat,MainLoad
              5⤵
                PID:1716
              • 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:1580
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  PID:1000
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:1724
          • C:\Users\Admin\AppData\Local\Temp\inl20CD.tmp
            C:\Users\Admin\AppData\Local\Temp\inl20CD.tmp
            2⤵
              PID:3044
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DDBB2B~1.EXE > nul
              2⤵
                PID:2216

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\inl20CD.tmp

              Filesize

              18.3MB

              MD5

              db1f2286bdcf2d228c3f7ad74ad05ee9

              SHA1

              d07191ad1212dc5a45e5968ddc78d2587c9dfbd3

              SHA256

              a5adfed2425446483529ee78ba61b3a5e0db12472e2f14818b80b441121b7ffd

              SHA512

              6627fb43456098321c83738a8466a227588374811c37e82160d1fd9c9349fa4888677fb56a2b5dca8e191a522662d12f8d4a4bab35d3ddc90418bbd1978d3815

            • 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

              d980f89e4088711df685a0aa09e8f5a7

              SHA1

              dde805f4fa5e016e122e4240e20ff844113717d7

              SHA256

              28f62bd59962d06d903ea079466c66985caa306251717235a0d470a1b0f62d09

              SHA512

              fa2a669d846081d71dcada405d3c4bdb92229ba2b4a9f8fd4e461d7c4d51012d3d3b893466f814c8178b9980119703d1a3f7eafeff281a2eb75465e504df9ee9

            • 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

              12.3MB

              MD5

              fa18218bf1a37bf5e484a7b6ab9af4cf

              SHA1

              6aae3735cea832749f6a62350247b2f1d4ad38fc

              SHA256

              d2d7fa7f5eb4e2f57ea4428e2cafc873d33ec16665c5f9ef69f3771bfbf03705

              SHA512

              1df6fea68ea7d9160dedb91437391786f0ad020391010947a296737f5c1b03a8942a8f3e85526d6d75c2598b627744cb761f25de98042e541b3d562d115ad0da

            • \Users\Admin\AppData\Local\Temp\inl20CD.tmp

              Filesize

              19.0MB

              MD5

              93888533e3fe1a684ab6016b0f5387ff

              SHA1

              39a942b7be6251a6278335c9b3cc80ac14bbe0b3

              SHA256

              498ac51da1d9f17493879112221404a49a0caa0e5166831734a3b975ecf776be

              SHA512

              8a7e855c3795bd8a6e4bc55af451491fe42de8d04076e8853d4813a2b8fd879195300a3e12a2a28d2eaa2cad2caef3dde2925a45704cf51451a9c90c08bbe474

            • \Users\Admin\AppData\Local\Temp\inl20CD.tmp

              Filesize

              18.7MB

              MD5

              0adcae7cc5c291fbdae5af77f38348bf

              SHA1

              752990836bf5e39caf7ecd8d97b7ecebf48a554a

              SHA256

              e46d9ccb8f51875daf48c9b90890d01aec3440b15400be1d6d01ebeb7ee37c42

              SHA512

              d285474f7f42886237e8c3c8ca1b53bb1af719bbd2fa3b949972429f344a01048acf740ab611c3ff1c6258ecc75fc7ec9897984eef39ca9475a81521eb7192b7

            • memory/1668-61-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

              Filesize

              8KB

            • memory/2004-54-0x0000000075811000-0x0000000075813000-memory.dmp

              Filesize

              8KB

            • memory/2004-55-0x0000000000400000-0x000000000042A000-memory.dmp

              Filesize

              168KB

            • memory/2004-91-0x0000000000400000-0x000000000042A000-memory.dmp

              Filesize

              168KB