Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 05:14

General

  • Target

    f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe

  • Size

    75KB

  • MD5

    f9952e47358b4b2c1603c5e918e4076d

  • SHA1

    58fb70f44ba09624e25f97614ec076369569af11

  • SHA256

    2daa4ecbc410fbadcbfd1d45e03aed80c6f6c23f0ff952f82bf4c5fee580d341

  • SHA512

    c6d8319a4520b4079e79d4b21063d86bf103d32fc83b513221e94b289ada49049ac0bb98615be03e87120c3aaa63b9e48e71b7f89c54b22af0524d9efccb127a

  • SSDEEP

    1536:SKcR4mjD9r823FHKcR4mjD9r823F3/MtlUrZY8O:SKcWmjRrz3ZKcWmjRrz3Z/MtliiL

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 7 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\f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1396
    • 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:3552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    59KB

    MD5

    ccf3be788711275ac09cd6879b8d2adb

    SHA1

    44ec6295bb79e322a5c410aa99364fe75d600fe0

    SHA256

    3214a59b96f0df0391c6ddb272be3eca22b3db28160e20fedbe34c515a2c0a36

    SHA512

    2f50a37ea40fdebc94bab4f89832eaacd344ad7b9e002d21bfcde897c413ee148856ebc6e6cef8127ac9d740ba66eb92b504b5a021fa6ce8aed11fa15ab8515b

  • C:\Users\Admin\AppData\Local\Temp\Q3NbFXnUaYpdoAH.exe

    Filesize

    75KB

    MD5

    1d6e34f35f4d8adbbf1bcf6335cf74ec

    SHA1

    a59db7c40310a62dfbe1c88a0600a1ce1cfa54e2

    SHA256

    25daf8cbc76abb08967a6ab984d0c86625c362b1b7666b18bdc63c6426c4f76a

    SHA512

    e6a183614b1afadba5ff521f593bcdaadf8aa38d9974cd0931140394d135ecc817edf1c85295c24c31ab23a3f60e378faf99c9c720cd9d9c4e5afe0738898224

  • C:\Windows\CTS.exe

    Filesize

    59KB

    MD5

    5efd390d5f95c8191f5ac33c4db4b143

    SHA1

    42d81b118815361daa3007f1a40f1576e9a9e0bc

    SHA256

    6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

    SHA512

    720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

  • memory/1396-0-0x0000000000930000-0x0000000000947000-memory.dmp

    Filesize

    92KB

  • memory/1396-7-0x0000000000930000-0x0000000000947000-memory.dmp

    Filesize

    92KB

  • memory/3552-9-0x00000000005C0000-0x00000000005D7000-memory.dmp

    Filesize

    92KB

  • memory/3552-31-0x00000000005C0000-0x00000000005D7000-memory.dmp

    Filesize

    92KB