Analysis

  • max time kernel
    63s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2024, 02:14

General

  • Target
    0427499d28563503be958d619cdc4d70_JaffaCakes118.exe
  • Size 1.0MB
  • Sample240428-cphlbaed4w
  • SHA256 c790ff0494b1207dd674144778c6b5a96a508ab9931192368cb3b43e19d835e5
  • MD5 SHA1 SHA512 SSDEEP

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 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0427499d28563503be958d619cdc4d70_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0427499d28563503be958d619cdc4d70_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\00294823\upJtKycAj.exe
      "C:\Users\Admin\AppData\Local\Temp/00294823/upJtKycAj.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:3264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MeYqZCae.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\MeYqZCae.dll
        • Size 258KB
        • SHA256 9900e517bfd4b39bd7af4bb360af52f6c95ef9b3e7ef36d2633485c58bef9a1a
        • MD5 SHA1 SHA512 SSDEEP

        MeYqZCae.tlb

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\MeYqZCae.tlb
        • Size 2KB
        • SHA256 66fab808188a98ba49d99b723a181aa6626197d50bd2d5e15e076dcbc6fbb2cc
        • MD5 SHA1 SHA512

        MeYqZCae.x64.dll

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\MeYqZCae.x64.dll
        • Size 319KB
        • SHA256 870c280ea861313edda0bd3950dc738ea68d006f315888d66023b54e5f98f0ea
        • MD5 SHA1 SHA512 SSDEEP

        WlddnxpCG.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\WlddnxpCG.js
        • Size 5KB
        • SHA256 306eaafda2305e332ff73ef19aa4668b75314d8416b4cd6587d16d8022ee706a
        • MD5 SHA1 SHA512 SSDEEP

        background.html

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\background.html
        • Size 146B
        • SHA256 42666754b634b59f472f82f8ec3942ca12aa352aabc34e6103d39f26d05ad68d
        • MD5 SHA1 SHA512

        content.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\content.js
        • Size 197B
        • SHA256 fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b
        • MD5 SHA1 SHA512

        lsdb.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\lsdb.js
        • Size 559B
        • SHA256 e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704
        • MD5 SHA1 SHA512

        manifest.json

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\manifest.json
        • Size 510B
        • SHA256 f8ac4eb51accbb0455d6825d309ee051e0d19f8f4bfebac8d05025f99df0dc49
        • MD5 SHA1 SHA512

        sqlite.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\jbbdpflcpdhpedfpcpddjnnogkgfbnjb\sqlite.js
        • Size 1KB
        • SHA256 1b9f8958debd412ec1d226eb1ed611592e4efe5650d72b930c756be000ae5a86
        • MD5 SHA1 SHA512

        bootstrap.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\bootstrap.js
        • Size 2KB
        • SHA256 a7dfea4bf7e1d46a8b8e64ccfb2cf35017e3a5b350eead26d6671254d2b3c46f
        • MD5 SHA1 SHA512

        chrome.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\chrome.manifest
        • Size 110B
        • SHA256 e33d02761e2f5b529596408456ea08892c6476672499cbfb1469ff62dc42fbd9
        • MD5 SHA1 SHA512

        bg.js

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\content\bg.js
        • Size 9KB
        • SHA256 5240fe2dd578c66991a56e79dd5f56a2db98caee8ab4f39feefc5523745b423a
        • MD5 SHA1 SHA512 SSDEEP

        install.rdf

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\[email protected]\install.rdf
        • Size 612B
        • SHA256 a15a20d7996449928f9c7a7285e0d114f17e753c576e97ef07c45d6c59b732e5
        • MD5 SHA1 SHA512

        upJtKycAj.dat

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\upJtKycAj.dat
        • Size 3KB
        • SHA256 343e8de8d54c45d721406252f654529707e9921f87d78fe07383030c0ba8b0f1
        • MD5 SHA1 SHA512

        upJtKycAj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\00294823\upJtKycAj.exe
        • Size 334KB
        • SHA256 f54a6814ac06c70ef5b738eca4855e49039783d96b70ba1ae461bd90877e53b5
        • MD5 SHA1 SHA512 SSDEEP