Resubmissions

27/02/2025, 02:02

250227-cggn2szzhs 10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 02:02

General

  • Target

    8a2c8b93508214fd966156de51e052991d194f76c0897520b174ab4ca2eb2705.exe

  • Size

    70KB

  • MD5

    029b1bb4714d40ce93425b21a4b86939

  • SHA1

    fe7799a74ac228cba062d3d857e395dbc2375de8

  • SHA256

    8a2c8b93508214fd966156de51e052991d194f76c0897520b174ab4ca2eb2705

  • SHA512

    e3a385e649e34db2a28e41136ba0f74a50ffb216e38d9ab5223e91096f1182473a6323e04eb7996a10fbc510c2e6c6eb18e0a775fd0a7c88d41ec6d71bfaa176

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhx:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM

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\8a2c8b93508214fd966156de51e052991d194f76c0897520b174ab4ca2eb2705.exe
    "C:\Users\Admin\AppData\Local\Temp\8a2c8b93508214fd966156de51e052991d194f76c0897520b174ab4ca2eb2705.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          70KB

          MD5

          90747e0ac18a12a342ef42a5bd53e13a

          SHA1

          f4d72ea7fecac722d8e6e675c0921326e72b3652

          SHA256

          aa7e99c3f93266bd5c99baf381db538843b0be191de5f0c5ff94b195f6c95ce4

          SHA512

          0eb7ad8b7092f6f0338ab051a12171c02f715d0c0a4f490aaf2fced1f23f71e66d78f22c03dbc18ab17b17827223af66213589f44181789fb20ac3ad6f1c77c0

        • memory/2352-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2352-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2972-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2972-3-0x0000000000220000-0x000000000022E000-memory.dmp

          Filesize

          56KB