Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 14:31

General

  • Target

    181d1c0f87b5054ec4b76881abd8bee6_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    181d1c0f87b5054ec4b76881abd8bee6

  • SHA1

    fee7563206b1649ee97e97b2be5151eeed3e5b1d

  • SHA256

    95243c2b1612cc480064343f0f6445da2ec3d118f00e2115b7fd1ea68e867bec

  • SHA512

    6058e85b369cc3a3669e0c96699fbb1f55b7bc4f274e3c564fbd38937d1d3b206d8771f9bd813131aaa883371d03b437566c4d7a8688dc39649859c82088837b

  • SSDEEP

    3072:AXZxpP/LI6iwRtjG4DrcGqGI9fP7AhdLEsUXbPwUO784beW3VzrAHHZD5YgwJpeL:AXNqH4DmX9fP7AHEBb+bvxrOHqgL

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\181d1c0f87b5054ec4b76881abd8bee6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\181d1c0f87b5054ec4b76881abd8bee6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\181d1c0f87b5054ec4b76881abd8bee6_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • Delays execution with timeout.exe
        PID:2076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 1288
      2⤵
      • Program crash
      PID:2448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1804 -ip 1804
    1⤵
      PID:2228
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3168

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1804-1-0x0000000001140000-0x0000000001240000-memory.dmp

        Filesize

        1024KB

      • memory/1804-2-0x0000000001060000-0x0000000001095000-memory.dmp

        Filesize

        212KB

      • memory/1804-3-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/1804-16-0x0000000000400000-0x0000000000F8E000-memory.dmp

        Filesize

        11.6MB

      • memory/1804-19-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/1804-18-0x0000000001060000-0x0000000001095000-memory.dmp

        Filesize

        212KB