Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 11:15

General

  • Target

    63029abb34705b24094a4cd0723515d4_JaffaCakes118.exe

  • Size

    117KB

  • MD5

    63029abb34705b24094a4cd0723515d4

  • SHA1

    2219e1a07e942ea8a7cf50413703f8c073aff7bc

  • SHA256

    98742647dbdf4d6a9e0451b3b3d5f773907aba13e15385e0c2a92a7bacd86a72

  • SHA512

    4a7ae8e2415b761bf25d109041bfb72544078bab1fac829e95872c6716884e1838a55fb8f4356b4c9db38d1dbf65c96022c40539257ae66afc7abedb1d855ded

  • SSDEEP

    1536:ocNjQlsWjcd+xzl7SM+Gn824eo6KcR4mjD9r823Fp:bjr87S7Gnzbo6KcWmjRrz3D

Malware Config

Signatures

  • Executes dropped EXE 1 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 6 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63029abb34705b24094a4cd0723515d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63029abb34705b24094a4cd0723515d4_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4924
    • 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:532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    438KB

    MD5

    ef996f952d5b45b6e7115098a05b53d1

    SHA1

    beda44440829a4c2c63a0f0f18162b6a9f2bac77

    SHA256

    0e8586f5d4cb0abac5a18f585a6b341f777d5892e94c555f82d21d76070ef811

    SHA512

    8c9b618e00731072ba492a3e5d38c8899f208bb4ba2d39484baff2689bfba31698a474051aed973d950efaab5a6e5963fc5950656590c06de9ea5fc6338bffeb

  • C:\Users\Admin\AppData\Local\Temp\dTcM6SWNyY7b2Xi.exe

    Filesize

    117KB

    MD5

    2dcc9dfc3fe547a3f3f1ae2e035090e1

    SHA1

    ce90020d994f70b6612cab10b72806d3425884dc

    SHA256

    66f0df614050eed435a8882192bc39ebe5f26f4a8fe8cb81a7289a6e4158329f

    SHA512

    a14c1e40e4a11e1f8ccb62196f3f62813a114c7151933c2267c9432aeb0fa3e6a5d0f16ed46a8ce8ea9ecb91bc83149a8cb50189388ce54a43f0426fb460f4e3

  • C:\Windows\CTS.exe

    Filesize

    117KB

    MD5

    90560322e00c64a66ef2099f55ff1f09

    SHA1

    1404109a21e4656daa9dc570c32e6385b6634344

    SHA256

    69346cf100b44fce4b64c433efc47601922b255c5d4182f4ecf1fcff1ca05bf4

    SHA512

    164e6e7654b55727940b212d56df47043f11e612b04cdfbc4c33ad455bbb5b1cece3882acc944cd526f3c5dcd519bcd1d01a3d796e95902bfc680f51dfe74f61

  • memory/532-9-0x0000000000FB0000-0x0000000000FC7000-memory.dmp

    Filesize

    92KB

  • memory/4924-0-0x0000000000250000-0x0000000000267000-memory.dmp

    Filesize

    92KB

  • memory/4924-8-0x0000000000250000-0x0000000000267000-memory.dmp

    Filesize

    92KB