Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 16:46

General

  • Target

    e564256b00733c6701b471ca83b05255_JaffaCakes118.exe

  • Size

    29KB

  • MD5

    e564256b00733c6701b471ca83b05255

  • SHA1

    9cf38132884377f191a80b4e4b4e7207d9525da9

  • SHA256

    d64302c882d541229f5c3a87ea83043b6aa9187af3142863a09891cfb07ca2a7

  • SHA512

    0be4eceed24f6bb1881b8116986d21d6536aaece10f676b11b6501209f2b61acd1e318a8086afcecb1cb33d03cd7274fb95db52c9772af7782f143943189fbec

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFdU:SKcR4mjD9r823FdU

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 5 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e564256b00733c6701b471ca83b05255_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e564256b00733c6701b471ca83b05255_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • 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:1196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\qdUwAQL9FSKNaGz.exe

    Filesize

    29KB

    MD5

    88ca0ff5f25c9901a0af97fdc148f758

    SHA1

    f9299f7c62585a560ce450e3fd2f5ee6804d741d

    SHA256

    472be8e539b69b041b1c760751cb7cc24d2a520b6598f2369bcc522eeac993bf

    SHA512

    6420263fa1a1d8756ae0ba0581983269bf5299270328c7ab0e026ff8e5def29b528cbe7be89958b2abbcc6b9b09a24297c7ef931cbd1f1ae6e21f40f4db5a20d

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/1196-12-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

    Filesize

    92KB

  • memory/1756-0-0x00000000002F0000-0x0000000000307000-memory.dmp

    Filesize

    92KB

  • memory/1756-8-0x00000000002F0000-0x0000000000307000-memory.dmp

    Filesize

    92KB

  • memory/1756-11-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB