Overview

overview

8

Static

static

3

2026-05-16...os.exe

windows10-2004-x64

8

2026-05-16...os.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    99s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/05/2026, 14:03

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General

  • Target
    2026-05-16_3c1109d6c1c5561878bbe214592d56da_amadey_elex_hellokitty_luca-stealer_njrat_remcos.exe
  • Size 2.2MB
  • Sample260516-rc5yeahy2l
  • SHA256 175db71ada0b49bce9925b46d792aefb5f93a3bf89e40630cd5d41a609f81c36
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistence

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-16_3c1109d6c1c5561878bbe214592d56da_amadey_elex_hellokitty_luca-stealer_njrat_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-16_3c1109d6c1c5561878bbe214592d56da_amadey_elex_hellokitty_luca-stealer_njrat_remcos.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
      C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
      2⤵
      • Executes dropped EXE
      PID:4400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 8896
      2⤵
      • Program crash
      PID:2388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
    1⤵
      PID:3868

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          wkw4D2.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 1.2MB
          • SHA256 1f60a916c71456c5d403795f5d722f840a55487dc1e54d2e58f48a361af9678d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          wkw4D2.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 791KB
          • SHA256 6459b27cfb13064614dd2b28f61ab467b423ae6940bd0cc0e60e07d5bf473967
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          wkw4D2.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 2.1MB
          • SHA256 836d40f89de784af66b6514cb26d6f3914c7dfe7b35c0794763e57099a7fbb7d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5076-1-0x0000000000400000-0x000000000044A000-memory.dmp
          Download

          memory/5076-0-0x0000000000650000-0x0000000000663000-memory.dmp
          Download

          memory/5076-517-0x0000000000650000-0x0000000000663000-memory.dmp
          Download