Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 04:45

General

  • Target
    2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe
  • Size 203KB
  • Sample260905-fdfjcsep21
  • SHA256 b99c2ce83bc99d65c751eca317ae7fd97f94d2ddb673f5b449efa7e738936ad7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6140
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aF4DB.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Local\Temp\2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4236
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5300
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3828

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 9961be3d02b71aff312a97368fb35ae20c37f70bffe0ab41ca2429a0b499df47
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 482KB
        • SHA256 2c7657fe57ec426599ef848815689264720ffed5a0f9a5d33d07cafabeb43bf3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aF4DB.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aF4DB.bat
        • Size 932B
        • SHA256 a5b578bb03a02c59e2fc67c3b195c5a57872b29139b7675098e6d70bd58858a1
        • MD5 SHA1 SHA512 TLSH

        2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-04_8629af6b7126a737283228354ebbc210_amadey_cobalt-strike_elex_hellokitty_luca-stealer_njrat.exe.exe
        • Size 175KB
        • SHA256 3f7dfb0aff478b812ada086becb58c17001099b6debd46ff92e5212b34ef0033
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 27KB
        • SHA256 4d614e1873ec0e3ed9fcebc3db6d391b06a0401168304dfc433c2848e30facc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3989226554-2204910950-1522900112-1000\_desktop.ini
        • Size 8B
        • SHA256 da1bb1bca7bacfef83e163458a5dc3de34696cdb080efd4e6b0563ece01f2730
        • MD5 SHA1 SHA512

        memory/4240-23-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-28-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-31-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-36-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-40-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-187-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-1247-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-10-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-5044-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/4240-5517-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/6140-0-0x0000000000400000-0x0000000000435000-memory.dmp

        memory/6140-13-0x0000000000400000-0x0000000000435000-memory.dmp