Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 19:11

General

  • Target
    a44888f03675f69a357d19adbcc220ae_JaffaCakes118.exe
  • Size 338KB
  • Sample240403-xvxyeaaa41
  • SHA256 f7dbdc92a1d8c28935e36c18f2e9967735d9a82831dd86d09a6b1b0367ea0a88
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies system certificate store 2 TTPs 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a44888f03675f69a357d19adbcc220ae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a44888f03675f69a357d19adbcc220ae_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\F4pUjWsrtzpIGKV.exe
      C:\Users\Admin\AppData\Local\Temp\F4pUjWsrtzpIGKV.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Users\Admin\AppData\Local\Temp\7zS096DE926\setup-stub.exe
        .\setup-stub.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Modifies system certificate store
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2520
        • C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\download.exe
          "C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\download.exe" /INI=C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\config.ini
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1416
          • C:\Users\Admin\AppData\Local\Temp\7zS885AF046\setup.exe
            .\setup.exe /INI=C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\config.ini
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1060
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" https://www.mozilla.org/firefox/system-requirements/
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2604
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:275457 /prefetch:2
                7⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2632
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 68KB
        • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
        • MD5 SHA1 SHA512 SSDEEP

        B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62
        • Size 2KB
        • SHA256 0efbd57897767db0ecc6862d65b8f44c5d2c1d1fbc894b8b2523bc7e9345a5c3
        • MD5 SHA1 SHA512

        BAD725C80F9E10846F35D039A996E4A8_88B6AE015495C1ECC395D19C1DD02894

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BAD725C80F9E10846F35D039A996E4A8_88B6AE015495C1ECC395D19C1DD02894
        • Size 1KB
        • SHA256 cdc1523a762e5eb3a40afa0d582b1ce5d3ce0ca608ae1389c7061e9629617c21
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 2f49887d8429467260138e0f93bf136eb3dfdb04fe7db3f6d56048fc57461ac2
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 81abc34848bb9a92d08f0a020afcd418a4a692c8fec9e8175a7f87ce58741657
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 06832822139e5b1ad229fa77580de520f3ab68210f753391cb7d33e0e093ae32
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 8d16b564f90d82a6c8eb38a4d1badb891a093b7b50f879501459d1989d75a11a
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 0143349baaa23223d3e571c8664671c30f60e92eb6130901579e0829d78fa167
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 2647a758ceafbb2d2525e0c74f64649a1728846088fdc055aa5a33acb5decc07
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 e1daee659a9da77235ce326ce03781a514670143cb1b04bd58877f4a385e1a92
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 7806a1f65c52eb88eb7c45f71d2206f37fa07bff6c08094c5e54fca2e7819631
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 6827d01d6be8d0918c4ddb849e028a089935f32aa05313054eaa7824b6ee2d00
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 be86162bc2f69e0f1b39602e31e5f53c5eb432d69f168a0884e2bbfe4eb30948
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 ca754257b58d3ee72782eb347a1f06cb5ace2b7771b3d09da034394084057b6a
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 48e42c04e380955d267904c2605d00e0f6818ab7efe4d00d9b3d3202ac7c3aef
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 3f5b9dd33461b9807114c750d3869ce86eec2243d95a55db5eb0e4afd235e588
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 4ed79ed5c72ee5b216c7603c1835f778cba82c82f5f5098381812c9c43a3eedc
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 4adae269b348768101e5b04157f569b1e62f9f3389b19ca5624085e69ac6b20d
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 184ca21cca3834a9fb85b0d54abc6dadd8b9ec4df93828d89895cb2afa987918
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 55af53f79aa1bcb8754c956693a6dc2ca474b50de40f81b982107f33fba20de8
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 edb912b83ff085896e81653d1f554ea04d59bb82b3fa1e435ce0e3b17373b7cc
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 a41ec32e45c775617ef72a7616f672e09705d12f6dd1b83af1f4565c6b90968c
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 37894fd1202e78d8c8a9a577ce1f1256dfedbb3c0d7223e79c8fb01bb19f6765
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 96c794da9d50dbac0139cdb3142ffd3494724585d5ff50a31159a4ee0a86dc1b
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 3c832ceeb022f84f0ae92ed62542522b6feda8a31becd5de52f5c391801d1656
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 3e1f872281b4552369ed074ff6252a68149fcb9733282a488d110bab93ffa717
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 d791ae7fe1120152c559e97ff5131494e8a45839c90a052a46ddcff0ea9818bf
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 44bc7eccced0c395692f42681638565efa048d59d357e599bc533cd545bbd902
        • MD5 SHA1 SHA512

        B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B66240B0F6C84BD4857ABA60CF5CE4A0_5043E0F5DF723415C9EECC201C838A62
        • Size 458B
        • SHA256 408c00cf7274bcedf69b3720a5d96bfd5dd0367e8b2bba854a2b48b9b07f0cb8
        • MD5 SHA1 SHA512

        BAD725C80F9E10846F35D039A996E4A8_88B6AE015495C1ECC395D19C1DD02894

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\BAD725C80F9E10846F35D039A996E4A8_88B6AE015495C1ECC395D19C1DD02894
        • Size 432B
        • SHA256 30b740adea6b95d66aa2f959bae1abbeba68c99d867827f6efc0bfbbf013e52f
        • MD5 SHA1 SHA512

        imagestore.dat

        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\7zh1kp3\imagestore.dat
        • Size 8KB
        • SHA256 1a02e3d2c0ec55b156ba699fd0cf62c5ede802be4bb503b2bd39ca63f4e369de
        • MD5 SHA1 SHA512 SSDEEP

        favicon-196x196.59e3822720be[1].png

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BE0WTXPF\favicon-196x196.59e3822720be[1].png
        • Size 7KB
        • SHA256 1d58e7af9c848ae3ae30c795a16732d6ebc72d216a8e63078cf4efde4beb3805
        • MD5 SHA1 SHA512 SSDEEP

        Tar3B0B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar3B0B.tmp
        • Size 177KB
        • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
        • MD5 SHA1 SHA512 SSDEEP

        config.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\config.ini
        • Size 187B
        • SHA256 812217f840657b7d310c406d7224eb1c339079ad48541d922e3f15f1b2e3d913
        • MD5 SHA1 SHA512

        download.exe

        • Path C:\Users\Admin\AppData\Local\Temp\nst35F0.tmp\download.exe
        • Size 57.8MB
        • SHA256 3d60842520fdca462a8c9e3c998eb2e3a267dc801af1100953910038b0da0906
        • MD5 SHA1 SHA512 SSDEEP

        CTS.exe

        • Path C:\Windows\CTS.exe
        • Size 32KB
        • SHA256 a4bda0a7d0dbc07eb77195771d9ccdeb18d2d2e4d7c5a7e7028e771c6f567428
        • MD5 SHA1 SHA512 SSDEEP

        setup-stub.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS096DE926\setup-stub.exe
        • Size 407KB
        • SHA256 958aaac6fec9912ff65b7fa3ee87df665ee38ded11c90222b82efe8569847c9e
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path \Users\Admin\AppData\Local\Temp\7zS885AF046\setup.exe
        • Size 939KB
        • SHA256 c57ccd8514fe77530c62f67b5a069afb0a912a11892e890dccfdb5a64b1f9531
        • MD5 SHA1 SHA512 SSDEEP

        F4pUjWsrtzpIGKV.exe

        • Path \Users\Admin\AppData\Local\Temp\F4pUjWsrtzpIGKV.exe
        • Size 306KB
        • SHA256 134e9f12545c3300eedc7a5644c28f390e00918a15fbcf2143492810ab4a5474
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsjB388.tmp\System.dll
        • Size 22KB
        • SHA256 b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04
        • MD5 SHA1 SHA512 SSDEEP

        CertCheck.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\CertCheck.dll
        • Size 4KB
        • SHA256 9e1831bf44b75980903eff8446960f21ab323b9f8249ddb49519718d873135d5
        • MD5 SHA1 SHA512 SSDEEP

        InetBgDL.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\InetBgDL.dll
        • Size 33KB
        • SHA256 0dd38281a824298100b2bc89ee5b8a5c9cd9ec7a3b051dff42037a891fa7c534
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\System.dll
        • Size 11KB
        • SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
        • MD5 SHA1 SHA512 SSDEEP

        UAC.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\UAC.dll
        • Size 18KB
        • SHA256 0d21041a1b5cd9f9968fc1d457c78a802c9c5a23f375327e833501b65bcd095d
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 2862c7bc7f11715cebdea003564a0d70bf42b73451e2b672110e1392ec392922
        • MD5 SHA1 SHA512

        nsDialogs.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 c13104552b8b553159f50f6e2ca45114493397a6fa4bf2cbb960c4a2bbd349ab
        • MD5 SHA1 SHA512 SSDEEP

        nsJSON.dll

        • Path \Users\Admin\AppData\Local\Temp\nst35F0.tmp\nsJSON.dll
        • Size 18KB
        • SHA256 431fc2ed27d0b7a1ce80de07989595effcc3ffb1dea1af6c0e178b53f6bd2f1e
        • MD5 SHA1 SHA512 SSDEEP

        memory/1416-315-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/1680-238-0x0000000000400000-0x0000000000443000-memory.dmp

        memory/1680-14-0x0000000000400000-0x0000000000443000-memory.dmp

        memory/1896-20-0x0000000000200000-0x0000000000217000-memory.dmp

        memory/2520-218-0x0000000002870000-0x000000000287B000-memory.dmp

        memory/2520-282-0x0000000002B90000-0x0000000002BD6000-memory.dmp

        memory/2520-433-0x0000000002B90000-0x0000000002BD6000-memory.dmp

        memory/2972-0-0x00000000011C0000-0x00000000011D7000-memory.dmp

        memory/2972-6-0x00000000000B0000-0x00000000000F3000-memory.dmp

        memory/2972-17-0x00000000000B0000-0x00000000000C7000-memory.dmp

        memory/2972-312-0x00000000000B0000-0x00000000000C7000-memory.dmp

        memory/2972-12-0x00000000011C0000-0x00000000011D7000-memory.dmp