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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29/05/2024, 02:30

General

  • Target

    7f38832772b97aa7cd7c11e130273189_JaffaCakes118.exe

  • Size

    3.1MB

  • MD5

    7f38832772b97aa7cd7c11e130273189

  • SHA1

    e72700b338ac78333492c0cba6bbdca77f95be53

  • SHA256

    88cad3952c02dc2a6857ba73205d440d1326c051e7075bfb69a3429cb1f0a061

  • SHA512

    8d15e39cdd3d2b499b89b9655efdc696db45d5514a326baaf51e358e46e5ba06d6352fa82d320d8f07bde0465a48e1f7e21fd558b0588c18bec9fee83c1ec1ff

  • SSDEEP

    49152:APOk/NpIHct1WceDSkJKQMaU33X4b+J6QcRP/bxxbvHgeUe4X0sq3f6g5KibNJgn:ZhHcX9BQMaUHWJ/Nxkg4JqLKYJg9UjY

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 20 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 12 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f38832772b97aa7cd7c11e130273189_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7f38832772b97aa7cd7c11e130273189_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe
      "C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe" -installprotocol
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Enumerates system info in registry
      PID:2784
    • C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe
      "C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe" -install_small_pack 10962855313023520271
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates system info in registry
      PID:1616
    • C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe
      "C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe" -installicon 10962855313023520271
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates system info in registry
      PID:1620
    • C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe
      "C:\Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe" hfgame://id:10962855313023520271,category:5
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates system info in registry
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\HuofengGameWorld\config.dat

    Filesize

    393B

    MD5

    74763b466651a9f061464bf3da5b7707

    SHA1

    c8ed4bc93bbbbcd5025eec9d31c7091146fbf422

    SHA256

    258bcf86763cceb3e535f1d6422d8b2ba8f99a72af0843027ea54df12e7697db

    SHA512

    e27176f8fef040cbbfa692b61366bcd1efd4679b053f8658c11a1da4da0d4d25b4544e28937f446f8cc155fcf52d033ec66e77b7bdc2952b4c0a86f12697c788

  • C:\Users\Admin\Desktop\»ð·ïÓÎÏ·ÊÀ½ç.lnk

    Filesize

    1KB

    MD5

    01e39e241e2827c888e795353e5621f8

    SHA1

    3d99454bfd035ad261c3f52ec73353164d8ecddb

    SHA256

    cf8f255cd850593517070070c83973fe05670f581d65a07508c6228720df2708

    SHA512

    9a23ae2fd728c6282ae10239966b1a52691501db3ddd8542e8c50f5a9560d536dbdb8a90bf511b814e6229fa7f8d1e4c56514f4eab94d2df26f5f893cc9752d2

  • \Users\Admin\AppData\Local\HuofengGameWorld\HFUILib.dll

    Filesize

    312KB

    MD5

    010b4d91d539d4e595bc5dfd0cc76d49

    SHA1

    0a72003557a8676705ebdbdf23b35f62202d0099

    SHA256

    93125bad493948dd0c577623a364751a1c960561a6b933a2c5dfd8b93421dad5

    SHA512

    fbb66f47a1e43732ed75b31aa420446544c6de29122df48f8d4ee6ff6f344faffe92ab669c74b9ff496a2eff103d7a70562d9c280e0f7661e886e3eb18399d53

  • \Users\Admin\AppData\Local\HuofengGameWorld\HuofengGameWorld.exe

    Filesize

    955KB

    MD5

    f034531a701044350969d768a825b60c

    SHA1

    8763743d1d3e4c8a3cf151de06b34e67cec88465

    SHA256

    11456913c0f21eeeb78a85ba0e3f6d7e420d1da47774f53c20973ccb89c04584

    SHA512

    a58495b929556edc955449b02ce4f92f21a9022a08d5b557d0107125b5493ecdad040e9813e2973b4f7fb3ab97acf2b0f7d7bdb7229412da42e97d4396816fae

  • \Users\Admin\AppData\Local\HuofengGameWorld\IEAux.dll

    Filesize

    64KB

    MD5

    3633de4079190b65d9c1a062db39b882

    SHA1

    70b6f944a6711b69b8d1a992456dccb3bc2618f2

    SHA256

    71141a084a6ccc601f9ae32b5a56476854efde219bdad3c4abc93865fb5e611b

    SHA512

    d8a7540713e34c74261ca542d3dc4ec1cb35da3953ba6fb390f4526147df1a14c68d940756a53a44676f6faa7ca9cc0bfb442ce390038c321117a832ace10362

  • \Users\Admin\AppData\Local\HuofengGameWorld\msvcp100.dll

    Filesize

    411KB

    MD5

    e3c817f7fe44cc870ecdbcbc3ea36132

    SHA1

    2ada702a0c143a7ae39b7de16a4b5cc994d2548b

    SHA256

    d769fafa2b3232de9fa7153212ba287f68e745257f1c00fafb511e7a02de7adf

    SHA512

    4fcf3fcdd27c97a714e173aa221f53df6c152636d77dea49e256a9788f2d3f2c2d7315dd0b4d72ecefc553082f9149b8580779abb39891a88907f16ec9e13cbe

  • \Users\Admin\AppData\Local\HuofengGameWorld\msvcr100.dll

    Filesize

    755KB

    MD5

    bf38660a9125935658cfa3e53fdc7d65

    SHA1

    0b51fb415ec89848f339f8989d323bea722bfd70

    SHA256

    60c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa

    SHA512

    25f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1

  • \Users\Admin\AppData\Local\HuofengGameWorld\sqlite3.dll

    Filesize

    528KB

    MD5

    d12d28dce936a741dc0e01858f9f8ec4

    SHA1

    7f04eb55fad0ca0cdf99dabcc00a7eb1634d85c5

    SHA256

    38832085b72e6bf16fce077ddc848c0f72e9fb6888a13d0d5cd04ee99ce34d5f

    SHA512

    845a918fe1f08c4879bf381fe65529cd56ad539b0621483b40312ff971a39cf0865abcfcc8e2cc926aa5d65dece77e8f1a5cca6201cbac63c2d0b713f74eabcf