Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 21:45

General

  • Target

    36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe

  • Size

    59KB

  • MD5

    acf3a1d44e70cfb04aa09118236022ba

  • SHA1

    81dd836d5c7671bc0e229fb5503659f343cc484f

  • SHA256

    36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1

  • SHA512

    a145cce327c914e3c7e4370bc7b0486d9d92882b7c27f8a89f3156566f5d5a8e29ea98ef32c8205f59d0becac7b7f38d2f3d53c7bf0fd57ec2af9191a8b45b1b

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrH8:E1oEFlt6vghzwYu7vih9GueIh9j2IoHn

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\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
    "C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:840

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          59KB

          MD5

          57e6ae50de2397fbee92983d328d1551

          SHA1

          a6139e0099f6d5552ed123ba74d3fad17d47b245

          SHA256

          e8d79d978ae011eed968146a7c004d58c3a6020c75a66cc6416b25baacffb5af

          SHA512

          dab6a2b2bd264246069d2fb48fcb5e5f5dfb5fd7ab6c623d2e575a7de4e0151cff1285f71ec260d5e1695ec62de10f274fe2a6830911992d8dd89f2631cd7995

        • memory/840-10-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2644-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2644-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB