Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 01:41

General

  • Target
    2026-06-04_ab04702f88d211f2d2bc0cad7c23e442_elex_qilin_rhadamanthys.exe
  • Size 124KB
  • Sample260604-b4emjagv91
  • SHA256 c1fc493d08dc8be4ffb6727be81f8a9e28ed45b7c39937e250600238f661ba48
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • blihanstealer

Mutex
  • pomdfghrt

Attributes
  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)

Signatures

  • Family: BlihanStealer

    Blihan is a stealer written in C++.

  • Detects executables built or packed with MPress PE compressor 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 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 WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_ab04702f88d211f2d2bc0cad7c23e442_elex_qilin_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_ab04702f88d211f2d2bc0cad7c23e442_elex_qilin_rhadamanthys.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5236
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:1196
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:2216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 124KB
        • SHA256 20e0fa6f01ca59e8c4abae77dee345eb62005fa84ece80dc0f556625d8f7e644
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1196-8-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2216-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5236-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5236-4-0x0000000000400000-0x000000000040F000-memory.dmp