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Analysis

  • max time kernel
    600s
  • max time network
    587s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/06/2026, 14:34

General

  • Target
    Supernova/5cdd47383ca7b3b3db0c20e69b9e99c316df2a08e8c56f6db30e464874e3aafc.exe
  • Size 124KB
  • Sample260626-rxt2mscs3x
  • SHA256 5cdd47383ca7b3b3db0c20e69b9e99c316df2a08e8c56f6db30e464874e3aafc
  • 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++.

  • 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\Supernova\5cdd47383ca7b3b3db0c20e69b9e99c316df2a08e8c56f6db30e464874e3aafc.exe
    "C:\Users\Admin\AppData\Local\Temp\Supernova\5cdd47383ca7b3b3db0c20e69b9e99c316df2a08e8c56f6db30e464874e3aafc.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4216
    • 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:3772
  • C:\Windows\microsofthelp.exe
    C:\Windows\microsofthelp.exe
    1⤵
    • Executes dropped EXE
    PID:2812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        microsofthelp.exe

        • Path C:\Windows\microsofthelp.exe
        • Size 124KB
        • SHA256 e613b216ba8b795c7f90490e36688abcc32c7b8e36c3470c95e1f0aecc1149e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2812-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3772-8-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4216-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4216-5-0x0000000000400000-0x000000000040F000-memory.dmp