Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 11:46

General

  • Target

    631af9f7425755bf7a0ce197e6de32ad_JaffaCakes118.exe

  • Size

    257KB

  • MD5

    631af9f7425755bf7a0ce197e6de32ad

  • SHA1

    c888982f57df21103770fae2bfc8905abe39703d

  • SHA256

    cff25f373e758c9fa3f6018bc23bb1d7569940ab0012198d31b576daa5cbb1db

  • SHA512

    4e714b42ded7484abf2cac6fdbbbadc6642e932dd2ea1e25e6c16df191f5a626ed2840197d1756adf7e23e3d04ec06e2a46667ba2e86b09eb1e8d8f48212de08

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sUa2P0URMhPia53OnEAngdyDi:91OgLdalagfRMhPia532gCi

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\631af9f7425755bf7a0ce197e6de32ad_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\631af9f7425755bf7a0ce197e6de32ad_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:840

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\wxDfast\bhoclass.dll

          Filesize

          164KB

          MD5

          474a025909c75c607905b9e2cae8a56f

          SHA1

          83ed7383c8aa53c6134a2b0a701b7b272c5c7c1e

          SHA256

          25ab733f417a9def519ff2443f38cff31baa02743cac803f53f662c875b9be5f

          SHA512

          29d14b6143a45c76904beb6d7ba2d8020f13cd407c66d6eed8825b9e722138f11945a3747988beda0f5bf33acbcb3fcdf8a411a2fc9b07fe501938dc590d03f1

        • C:\ProgramData\wxDfast\uninstall.exe

          Filesize

          48KB

          MD5

          a724dac649142fef71fe4b529684e969

          SHA1

          e2878e84886ec53a1332ad969a825062526b5cd4

          SHA256

          b58c58b5073034d74c5d93902bbb9d402be063e907bdf77115b55bbb99af21dc

          SHA512

          9f475ad52fa2b7f82e74df87c02e42f937b5e3b62773b7d51cb53facfcc8b4934ad3c2fc21496cfabaa4dd103a309ed5cccad1ad3d6037f6c4f3a540e3e9d5b3

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          b9165e81934c746e3a33afc6bde86143

          SHA1

          ce38f37d26d5fa6309f4d42cbf470bc4a884b100

          SHA256

          3edbe3448cc74e7862db06fb08a8250c044a6aadbbea35a365560080eaaa3624

          SHA512

          fab8731e561554bf3ac4a32950a4111d3bca7d9223727ed6eccca598777bd697606a11f658eae3d28f6dae16faf40fda7387d0e25cd8f3cb750c871f77178bc8

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          89da154bf8813dac92eaefbf55ceb507

          SHA1

          51ccf9180400ac4af880e60084a5c10cfeceb27a

          SHA256

          19de5f1f8243b4944c82dc2d286f38ba69d6ad07fc4a11b7a4cb24fddc39fc6a

          SHA512

          a087d02e6022ceea7b3bceb07403d4c715ae3e5cb202b7acb3c802bade7d8c8ba61383b7f15428c361426717bb650d034dab27cebcf19d08b50346a8ee59f29e

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          98620f0cd76e022334467bb21d481f71

          SHA1

          19279d34f46f61a70982c5fd4d00782714f1f941

          SHA256

          7f20ca9e51fc9ba33b366e2e352fd6fb98210e32c950f99e702b6927235eb28a

          SHA512

          b5f13597a86f131892f2c05025269a59e39e786b22bb94177c719af0f43ad8a395521e082f969ea2ef165e77ec9e1b3234249b84dde43031575dd40023b18004

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          eeae99c171201ccb18c10bad6109c4f1

          SHA1

          16f8970c32a21ac1a8285480889b59fc546f4559

          SHA256

          824d65781f16b244866823b1732547d2ecd35c6e3c960f6725e50d3edeb18068

          SHA512

          a2d6ebfd33380caa2de3cbf04aaa44391913777671e8af7b16ea353eabfac65dc25f3e09ea4548a12f99c302a94a562e6f11969c1b16c69c0b21d80b175cc2d3

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\[email protected]\install.rdf

          Filesize

          714B

          MD5

          e7d036454fe32fa6ee233f34eb8a2c39

          SHA1

          5aec3f55e652543385cd8f9945405a3f63edd38c

          SHA256

          829f91cb09888b3a5f0f474aaa6cd009008eb4a8f5725578334b6eb007651f7f

          SHA512

          a7133b215821d2e5a7e1fa47c0c6a95e2d8d0ded0f7e4a28426a17981c01d13559d60e7c0e9823ae84b4aa13caacff8183b7a69aab123b21c60c012b40f519be

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\background.html

          Filesize

          4KB

          MD5

          1bf17a6911aac8f212174a93b389115d

          SHA1

          b44a63ba16456a61e15c575c82706b59f074d9c0

          SHA256

          f7a239356cad4d4ab0a81cb343439f0f84a8f39c90d4d74572f5e70e8c1b1595

          SHA512

          1136fc4b7b457bccd388b730a87becc856a1e82654f6293bdc350b9e37b7d01ca9c1cb07377d86c0e518f8e983e79d231a0948404048db80cde3a621d51c738c

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\content.js

          Filesize

          385B

          MD5

          4d03176c8312d47977d4ece65aac313c

          SHA1

          f5f04911e9f76732465a581874f68cde5693fd5c

          SHA256

          4ddd82cf485ad5cde171f827c012cd9614a151d1bb38567546a42def9548f08d

          SHA512

          55f25fe499309330ef91f82802a148f5a9a12b2e5d9316116b14855885975286f3a9c5b73e9dfc95a110b98079b40205817949cb4158bc74fd305d96870cd9fc

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\dhopmaeeahlkkjnecifhgemddmgpgepj.crx

          Filesize

          3KB

          MD5

          aaee2dd323efcc96ee347edcf59c47e3

          SHA1

          0231813c7e61e2ede5210ee145661cdcbb95c3dc

          SHA256

          4abf0f7d5ea84574ea86a5cf7c7c5bd74008556cd825b8b923eea849c8d55f6d

          SHA512

          2f0ff2f51ed9053c09f5148cec178e43f931c2b3851ee9638f62dc5da7f2495ab9087429774d7f82e4ea44646767ff4bf21330b363e4f5a27663cd4c450c73b8

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\settings.ini

          Filesize

          892B

          MD5

          b57cadd8e06e65a57d88da1b30fc5895

          SHA1

          9a3deee4da4627f62ee2f267d664ed910b4fe86a

          SHA256

          de69ca997d465ca201cbb71f07d0b19f2d513e55208f1fba7665502c22628797

          SHA512

          1bb025ae798841c5e2537d104e9cf0e81cd814e10473c345ea5de81dc960ba60a1863a05879e077d7eca7a6948541083a0b91763dd949e738c8e91ca669ff650

        • C:\Users\Admin\AppData\Local\Temp\7zSB2F4.tmp\setup.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\nstB48C.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b