Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/04/2026, 02:04

General

  • Target
    2026-04-23_4083a3a5902f66d5e7491906c0641d64_elex_qilin.exe
  • Size 96KB
  • Sample260423-chk3vsgs3y
  • SHA256 0d7c36ba09b6abde0d42d7a584e3d9b0290579138c64b4703a85be091ece5df5
  • 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\2026-04-23_4083a3a5902f66d5e7491906c0641d64_elex_qilin.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_4083a3a5902f66d5e7491906c0641d64_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:4896
    • 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:5008
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:1996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 97KB
        • SHA256 515e9931972697d7bc895cf5e611117d2a34818c90f59648fef908ddd03d5695
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1996-9-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/1996-10-0x0000000000940000-0x0000000000A1C000-memory.dmp

        memory/4896-0-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/4896-7-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/4896-5-0x00000000005A0000-0x000000000067C000-memory.dmp

        memory/5008-11-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/5008-13-0x0000000000800000-0x00000000008DC000-memory.dmp