Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 15:01

General

  • Target

    41ec99568224cb884af62c8847189d04_JaffaCakes118.exe

  • Size

    716KB

  • MD5

    41ec99568224cb884af62c8847189d04

  • SHA1

    f5a88cabf8cd9ebbe30d85addc00a2f572aebea1

  • SHA256

    20430909b0e7b429a18f9821b40ef0526cef479815b108c9f9d833739eb611e0

  • SHA512

    fca1aa71ab248f47e5e445c8a310710cfd2f52c063aa2a4e2194b74fac80a858dd8e489bdf195e8af5cba0c3cab4059d3236d4626c25b8a13d8682fd2bf9c1a0

  • SSDEEP

    12288:2KnekrL58zLDignOKDLXskCWAuSS/Kfz1RVJyZq0Py8B9/iW229e4N1Si12w:fLizLDvfn2W/SxBRryfNb/iW2MN19v

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41ec99568224cb884af62c8847189d04_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41ec99568224cb884af62c8847189d04_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\AppData\Local\Temp\00294823\A59L.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/A59L.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      • System policy modification
      PID:3412

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\00294823\A59L.dat

          Filesize

          5KB

          MD5

          00b6aefc50766bb3b18f6e58ab1c985b

          SHA1

          284cfb4c6e2082c4b56e82b4a677e770b7215113

          SHA256

          cf17383ba59c894de1dd3bb321eaab0cace7260920c535475594abae1baddb62

          SHA512

          c284e7e67aa4004396b35a765644d536eec73ba12dda68a00a615c6c0b3bb8f6c461e9abbf849ba23c5cbb4047cfdf3e9b2565486818685cda1cd40e0eab59a5

        • C:\Users\Admin\AppData\Local\Temp\00294823\A59L.exe

          Filesize

          334KB

          MD5

          8300c91b40229b42301aebc6d8859907

          SHA1

          0b55e56a6add6b4dd4ceff475a0018a203d02a5a

          SHA256

          f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5

          SHA512

          0863750da143e1707513f4a2efe1ad6cf81f5a819c7d5496d1629745afffcf72338aa9de90479d5e0936e848f9b260c434fd369027c56be175814086cafd4d8f

        • C:\Users\Admin\AppData\Local\Temp\00294823\WzU.dll

          Filesize

          222KB

          MD5

          e9b27306a18f18b88945cdf066de2fc9

          SHA1

          4d18490fbb336e261301a967047065dd561cc2f2

          SHA256

          a9880b90d24af3786886306aefe5c79ff3cb2fb7b36ee5fb7bf2af85f240d63c

          SHA512

          f255e8bfb13cfa070b31f47b12a4aacf9ab75a6a8191b6b83740d02c3f007b6d5255a5c2c12bc7b599996742973d2faccb5463d96d16c7aba40e34776823c706

        • C:\Users\Admin\AppData\Local\Temp\00294823\WzU.tlb

          Filesize

          2KB

          MD5

          39d776f73d1d3f771aaa8c3561367c3a

          SHA1

          eef842aa02927bd7fbe7d569c5446ef1a2ea065f

          SHA256

          c2156787eeb818e587529572599fa124773c71330fb93e1c79f4cb9141090941

          SHA512

          3174095accbf422730e60f61523dec01a9a4519cb4642a641c5f547d530ad41f5386d383b90f7daf34f1f36635775929e99d7fe0030aa24cee30f4de8376eeb3

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\background.html

          Filesize

          141B

          MD5

          9790b685caf5343f213baa88c6b60a68

          SHA1

          5695a0d895036cba37624d2a1127e8130ffbdd3f

          SHA256

          d4c0a9a2ddfb7abd1dfbf5f0bd227274ab585c51b71aa514d099a4b22aca4b5c

          SHA512

          91ba9c43badcc7c3a9533b5ca010ff13b511fc40aadac7428b1f6df2446d734fb1603cc29a824e8266164d657981f0ff20cc8e2a89b048ba7966eb26d5b3277a

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\manifest.json

          Filesize

          552B

          MD5

          8071a311337c0df23f4b7d417f6db406

          SHA1

          b8ee3931a76a601ca8da7a58a939dca9b308da41

          SHA256

          77c6657c4667649aff331bf26872dc7d1d7377c34567edc8cb995141698bcef0

          SHA512

          339fc43b3f56beca9e486ba457c7f567020d883e750f644b2dfe7a7d1949c1ef7ce409220686cc3732ebc5da61ba084a90fc659356ae649fb6c71c364c37ed9b

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\newtab.html

          Filesize

          377B

          MD5

          3f7de07e5dc144b3bdc98e22f7b33fd1

          SHA1

          1e8ab39c43bf19c9a8fd0ecd657e4a60f1cc9c5b

          SHA256

          0b91a72d58b9e36ba4688ea8ab535c697137138a7b8c04eb918921102b841555

          SHA512

          9a86d9dc93d2589138beb57f62ac5c7b1fdeaedc840ce1c270ac4d6d8aa35d676f7b604fee30512eef86c6b4e7b9b57f904d238a085ad967407d94a2f7b6cf02

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\sqlite.js

          Filesize

          1KB

          MD5

          d4652e0c94fc75c7be61a8c254f28c2f

          SHA1

          79be52d2cebf4849993a3413fac17e554be7265e

          SHA256

          cd5005d76963b55123da65df80542cfb8615c3210eb1dfcbff4cbb8d577173e2

          SHA512

          b2e72871a7ac2807361ff7afa83ac5fc5f0a529379bd4c685436633ac45dc4e998beba092195c7fc1cb3c985fbbdb7f487318b555a61de7f210c73294ac8e584

        • C:\Users\Admin\AppData\Local\Temp\00294823\bfimhmjkghejgcmcndomioodecjdmaeb\xfrK.js

          Filesize

          5KB

          MD5

          1745fc90ff21b327068f896f1be10918

          SHA1

          b6f909358b5a6c636fd48681ba3bf1c5cafdae45

          SHA256

          03ddc430c9ebddda4602032ada2b3c8af8766149001cef7d6468c9f06adee01a

          SHA512

          03ae5cbe6fab7c17ee67500a0933ee7426e73ddbeae876ce9348812501021cb9e94d205e847956161aae81174664a61a9961fac751d1844c24d06ea20191d7bc

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          1b53c596cfb1aa2209446ff64c17dabd

          SHA1

          2542da14728dcdbe1763f1ee39fe9ceae38ad414

          SHA256

          a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f

          SHA512

          be54481675c38ef6a41697cf8cd3ab5a0b126922b192732a9c587dd8905b74b66c79eb0c849f62bbe8934979a894be63734b0ad59ffae295f5797cbfaa327030

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest

          Filesize

          100B

          MD5

          4090e0b7b64465fa38dbc88865f6475d

          SHA1

          1512b30bf77686aae7bb4a2d96c51be6e0ffb976

          SHA256

          7c526eb0b07e384db3270c688b4a8ba79dbd86ad5065a70214d1e730d31f2e95

          SHA512

          245d1f301e3a6aa15eb9f0e0441b89a48525ab867bc0dd4f37f1e6cfc9722f6609dae41700037fe6e96b823eae56030ed0d352385a5666713c7d46902867ea5d

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          9898da533c6da039b9f6c5bf6a9b71d3

          SHA1

          9b8285d308886d1538bb3083d8fec5139ea6d6ac

          SHA256

          28c0d9beb0cb8c8461b91e774d04fbdb828021cb02e197459c3594af43d106d3

          SHA512

          d5f867c4c60bb68d4d02d037725afad413d0455f6be318b07545a26ced5e5495495b09c5331b64082e8e0f151296fb7142c63ea767fe3fee8be13256535025dc

        • C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf

          Filesize

          605B

          MD5

          7c4b73c136b89d94daef5cd790b18d79

          SHA1

          dd1b66734cfe4331d5831945b375fa881ecda4b3

          SHA256

          7a95476a7cfbceb0177b9554b82a55c14ec4d7c5172b88bca847dfd22fd0497c

          SHA512

          8462f27780b24c2d5e94cba2d4958aee035f082e5dd8fa25c53df51b7592c22e150994ba6278fb9f26c02826c69fe391f076974147ef4ab36a93d1319cfb4fff