Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 15:17

General

  • Target

    30e58e04f21c946ce44c04728d448507_JaffaCakes118.exe

  • Size

    75KB

  • MD5

    30e58e04f21c946ce44c04728d448507

  • SHA1

    d88b350862b3d3c580c9787bebfd444afe6f97ea

  • SHA256

    de2b96867af4357e28ab8422330dd48488ddee6e1ff5337e301977cf4ab111b7

  • SHA512

    db4f1906eedad8da199268023c9a67b7463b74606c3e2d785de18219a6f204b63d9d332c0fa0f5c85c5dfec95cfbd0aad367d9c69d1e0b78a2987b5feef297ec

  • SSDEEP

    1536:SKcR4mjD9r823FHKcR4mjD9r823FLSlXxPN:SKcWmjRrz3ZKcWmjRrz3xSVxPN

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\30e58e04f21c946ce44c04728d448507_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\30e58e04f21c946ce44c04728d448507_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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:4264

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

    380KB

    MD5

    f311946c81eca09724263767328d1657

    SHA1

    7dca577d67595d04bed3c02e529c84164f4d97b8

    SHA256

    810295c3b1cbd2dc93fbe202a323a7bdef916c53bce443cf006f96e90e864fef

    SHA512

    72c8b440ad80c585ece14f4e390f4c064a7907bc2d6e2419578532531fe0884630855764a3250d6d8bf01977c71f4186bb5dd31ec9db40a888e94d202763c88b

  • C:\Users\Admin\AppData\Local\Temp\FM4Azdp3F1T9clC.exe

    Filesize

    75KB

    MD5

    a0fdfeaabb67fc52195b0e4f44902870

    SHA1

    66e01bf74949570aeb7c30bdc3cd35cf6be56ddc

    SHA256

    7115e4624c3ae9980cd8400c01886bb93ce7f43d4314783bd5065a607a6e9c82

    SHA512

    37665870eeea4b3170fc298a03ee6d8981b7a8247fe41de37c01767074fe61986fa221c33cf0137f1350455472bff228afc1bf9ae231271d7e5eb6a0750c4ccd

  • C:\Windows\CTS.exe

    Filesize

    59KB

    MD5

    5efd390d5f95c8191f5ac33c4db4b143

    SHA1

    42d81b118815361daa3007f1a40f1576e9a9e0bc

    SHA256

    6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

    SHA512

    720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

  • memory/3040-0-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/3040-8-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/4264-10-0x00000000004B0000-0x00000000004C7000-memory.dmp

    Filesize

    92KB