Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 20:23

General

  • Target

    e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe

  • Size

    30KB

  • MD5

    e5c8465b257f9f5c6b422f38d66af4f9

  • SHA1

    52b609ee6f9c9d9b525731bfd8a3519298c34488

  • SHA256

    a4aa441fe90301ac47c93688a4f652042224fa740406ad62b65befcb3e5917ea

  • SHA512

    204763fa757b2749d1483b018ecaaeeca54f3a4fdc6aceddaa83f77b42d1eb08be8474d3aa037bc935bfb99323646959a89d85d6d43671ad7c9d904506f9efca

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFAK:SKcR4mjD9r823FAK

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\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ebRhHoL539saRde.exe

    Filesize

    30KB

    MD5

    c04ebab4a115b9f562b0d467195a5bfa

    SHA1

    338fb8342f0d2cd1092152767abc564288d3b8e4

    SHA256

    45b58a0cf1b3456c2ef306d789be325b4deed7edc3fe5a42ca560a8287756794

    SHA512

    59cd884dafb8b329bbbca5c1a1154db3b9a00d41e38945b6571a5c18a4170c21f5fc0e34d6fd487833d415ab5669f56fdaf5145a29071359fd406cf95af31717

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/1924-12-0x0000000000970000-0x0000000000987000-memory.dmp

    Filesize

    92KB

  • memory/2080-0-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2080-11-0x0000000000100000-0x0000000000117000-memory.dmp

    Filesize

    92KB

  • memory/2080-8-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2080-18-0x0000000000100000-0x0000000000117000-memory.dmp

    Filesize

    92KB