Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 20:45

General

  • Target

    2230604899758d0f4fe642806176b0b9bca6f740a5736cee8e7b91a7b8d62fef.exe

  • Size

    51KB

  • MD5

    f30dc786a888eaa0cae095ea689fb839

  • SHA1

    18e72f5b6f0d0a0e2ab06f006168d70df2d77254

  • SHA256

    2230604899758d0f4fe642806176b0b9bca6f740a5736cee8e7b91a7b8d62fef

  • SHA512

    29738c963e30da1f6eb445ffda1788e19dd85554388dc53e648164696fabcdedc9bf122f0cecb4fcb9cd4679531d6061c5c4ab5c0fa3ce035ebc497ad4c19bca

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXR:E1oEFlt6vghzwYu7vih9GueIh9j2IoHb

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

  • BlihanStealer

    Blihan is a stealer written in C++.

  • Blihanstealer family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2230604899758d0f4fe642806176b0b9bca6f740a5736cee8e7b91a7b8d62fef.exe
    "C:\Users\Admin\AppData\Local\Temp\2230604899758d0f4fe642806176b0b9bca6f740a5736cee8e7b91a7b8d62fef.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          52KB

          MD5

          ecc45f9e71c3430d1481bea13ad44f84

          SHA1

          dc2ce8c12b6c43656b359fd6e1cb27b7d0ad85f7

          SHA256

          9af9bca0be1ae44e01974fe7a3ab3d832e9de3a0efe34c3d25e50ca342107409

          SHA512

          b3667aa5eec11e528f78ff9b1b9190ef7bab79652c9f88dbb140ce37f204bf9d900d46286e351483f747709c3b86fbc564a103da41358a521d6f9d90a5b25683

        • memory/2776-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2776-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2820-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2820-8-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB