Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 17:01

General

  • Target
    2026-05-03_f1661222f0e93bdb5248c91d3782903b_elex_qilin.exe
  • Size 94KB
  • Sample260503-vjvmsshv5j
  • SHA256 f098bcda68fbb05ae9c200479c74450a9118f9c5d4c65ea588702d71067037c6
  • 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 6 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\2026-05-03_f1661222f0e93bdb5248c91d3782903b_elex_qilin.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_f1661222f0e93bdb5248c91d3782903b_elex_qilin.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:2828
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:3732

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 94KB
        • SHA256 956ef70f6477957cf57ae2618185a4a13511e8d906dc68d2a9c1e99c2d144293
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2080-0-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/2080-6-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/2080-7-0x0000000000960000-0x0000000000A3F000-memory.dmp

        memory/2828-5-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/2828-11-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/2828-12-0x0000000000850000-0x000000000092F000-memory.dmp

        memory/3732-9-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/3732-10-0x00000000008E0000-0x00000000009BF000-memory.dmp