Analysis

  • max time kernel
    149s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/04/2026, 09:06

General

  • Target
    2026-04-25_c60d2438ce0ff52f9aca23f2b73ee788_elex_qilin.exe
  • Size 91KB
  • Sample260425-k264faaw9m
  • SHA256 08c07867b66ee448cd5902c1457d7d4799a05e4faf335936d4fde2e2f25495ef
  • 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\2026-04-25_c60d2438ce0ff52f9aca23f2b73ee788_elex_qilin.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-25_c60d2438ce0ff52f9aca23f2b73ee788_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:2232
    • 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:1504
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:1032

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 91KB
        • SHA256 fa8f0f7328467466930db25ab496478c0df7244983a81971c33cc21d8ab1a3a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1032-10-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/1504-7-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/1504-11-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/1504-12-0x00000000029C0000-0x0000000002A24000-memory.dmp

        memory/2232-0-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/2232-6-0x0000000000400000-0x000000000040E000-memory.dmp