Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/05/2026, 10:02

General

  • Target
    2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 451KB
  • Sample260507-l21r4abs21
  • SHA256 d712753633d5d4ab0ef1f1ad4216523b785b32e89d8a7f83e486ddc7f3bf25b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

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\2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-07_301440d1266ea12b5c8244e32a3471ae_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:792
    • 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:3860
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:3440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 451KB
        • SHA256 0a2c332cb65c5af8b582d362997e98ab4c39f41751e181f4dc5b3d81669b6c35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/792-0-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/792-6-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/3440-9-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/3860-10-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/3860-11-0x0000000000980000-0x00000000009E4000-memory.dmp