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Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 05:58

General

  • Target

    462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe

  • Size

    59KB

  • MD5

    462b2f9da89ff03264ca42dd5b341c92

  • SHA1

    3637a7c0364794d0cc892432db682a0b349d2f9b

  • SHA256

    1eaba89aa70d9e6fb4ad6187e2d51c38093b9c294f5d41ca3fbeb815812cf006

  • SHA512

    3e995b6d8cbeec5c8cc77fa1a42ce1571f354685bbd78df7c05f30197b8947b5558d1dcc7353973d8436535ec49d1228f22e04684cf0190caa2db6e82a498a95

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3L:SKcR4mjD9r823FHKcR4mjD9r823FG

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3480

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

    382KB

    MD5

    feff678b19b6c388df9ebfff07b841c0

    SHA1

    aa8787092f375e0baa0eda851a7780c4cfef4ec4

    SHA256

    58ba27fc2d4cebe8d447c09a48d07dfa01e5865ee4674a7fa6781f667bacd47c

    SHA512

    0bb9dc29efa94cf6457634b2cc19e2b96ff187672367146d1dfaaa4dbfa0bd0ba0638623c0910b12f376f6cd99d6e6a5afe809c889b1b3c8f982e82738202e50

  • C:\Users\Admin\AppData\Local\Temp\wN7LeXxbw1CC7OL.exe

    Filesize

    59KB

    MD5

    4bcba389b855080d6277a5fb4d16f4cd

    SHA1

    7abcf6560accc78327df8bdec17440b05d2172c8

    SHA256

    056a8dc8dbbf73d699de2dcb31bbfdb176d68eecb92fe95a2ac155ab00e63b60

    SHA512

    7a2189f32878108fea55122ebf834d7b9e03f9a7e6fa4ed10006e15006b82aceedc09dcddb0fbb5aa40de7f401181244d7e18a4c00dfc9269ecf71ea4db09a0c

  • C:\Windows\CTS.exe

    Filesize

    59KB

    MD5

    5efd390d5f95c8191f5ac33c4db4b143

    SHA1

    42d81b118815361daa3007f1a40f1576e9a9e0bc

    SHA256

    6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

    SHA512

    720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

  • memory/3480-10-0x0000000000530000-0x0000000000547000-memory.dmp

    Filesize

    92KB

  • memory/3480-32-0x0000000000530000-0x0000000000547000-memory.dmp

    Filesize

    92KB

  • memory/3920-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

    Filesize

    92KB

  • memory/3920-8-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

    Filesize

    92KB