Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/04/2026, 09:37

General

  • Target
    2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 297KB
  • Sample260416-llppwsbz8k
  • SHA256 598de49501486b16bf6690d65b72e02ce67d5849c2c852d24421fd74c05a8bce
  • 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++.

  • Custom signature
    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\2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2072
    • 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:3632
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:3680

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 297KB
        • SHA256 a4513286fa0e19725a4d464709b5825ffbfa72a507023943c03c6cafd5643f8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2072-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2072-5-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2072-4-0x0000000000AB0000-0x0000000000AD5000-memory.dmp

        memory/3632-10-0x0000000000840000-0x0000000000865000-memory.dmp

        memory/3632-11-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3680-9-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3680-8-0x0000000000990000-0x00000000009B5000-memory.dmp