Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 04:46

General

  • Target
    2026-04-24_dfaef3e6370392c3c42310fc1caa27de_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
  • Size 1000KB
  • Sample260424-fd4wysft2t
  • SHA256 f897737d210106420a123400413ff6381421d7074ec8c7d522ea694cd77f7cbd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-24_dfaef3e6370392c3c42310fc1caa27de_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_dfaef3e6370392c3c42310fc1caa27de_amadey_cobalt-strike_hellokitty_hijackloader_luca-steale.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL273A.tmp
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4244

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WEL273A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\WEL273A.tmp
        • Size 52B
        • SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
        • MD5 SHA1 SHA512 TLSH

        SenseCE.exe

        • Path C:\Windows\WinSxS\amd64_windows-senseclient-service_31bf3856ad364e35_10.0.22000.376_none_a359e3d81485694b\SenseCE.exe
        • Size 2.5MB
        • SHA256 b22c01b66a70b49128db66978d717626d7359ec968c3e1da8855434df16ad117
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2552-20-0x0000014E4B350000-0x0000014E4BAFE000-memory.dmp

        memory/2552-423-0x0000014E4B350000-0x0000014E4BAFE000-memory.dmp

        memory/4244-21-0x000001C6F5470000-0x000001C6F5C1E000-memory.dmp