Analysis

  • max time kernel
    129s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 05:03

General

  • Target

    cc44408a246bbc5b45cd281345bee040_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    cc44408a246bbc5b45cd281345bee040

  • SHA1

    5ff993ece002c8b346df5e0bdd6cdf085f3f32a2

  • SHA256

    c5d99ccfa935473bd41726dafeae1ec205ea7f2b6ad172e60e61bd18c1dc79e0

  • SHA512

    55915ecec31501493e5a29748e536fd5e1262541754b02c779d1e8c14a32617b532b9643485225c9b799a0cc84605fa504d79034951c648957a92b9d0c46cb3a

  • SSDEEP

    6144:9TqPR5dIKCCkef//uXl9Kc+LVsz9b8yYU:sdFOCXu7KcCVsz6yYU

Malware Config

Signatures

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc44408a246bbc5b45cd281345bee040_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cc44408a246bbc5b45cd281345bee040_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\cc44408a246bbc5b45cd281345bee040_JaffaCakes118.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 636
        3⤵
        • Program crash
        PID:3108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4604 -ip 4604
    1⤵
      PID:3244

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4604-3-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4604-5-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4604-7-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4604-6-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4604-8-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB