Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 06:08

General

  • Target

    d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe

  • Size

    66KB

  • MD5

    447d50d1d95ed9884f2b4d060a7435aa

  • SHA1

    8d72239a3541d56edae45c01e6247a1e75d4b3e8

  • SHA256

    d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619

  • SHA512

    0ab8c3a4ebaec06aafc460866a292c67e2369e537424d157ff634df7547fd151966dde875a2f6fdee4917d087f945d4f42ccc1aa5ae08b4e122878058b1da3dd

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1: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\d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe
    "C:\Users\Admin\AppData\Local\Temp\d9316e28af4c5e2b53f3abc9205d11079eed8f0e59e4ce404fea96768f00a619.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          67KB

          MD5

          e9ada38348a179de7c735ed7c3203004

          SHA1

          ed4c9f965646b15205b912f79a85d22257b31a55

          SHA256

          fe8254be303bae095bac2a1cfd940be9b579ecfcf3ae3a879aeeac86ae2ecf7c

          SHA512

          d06efaaabeb48ea1c1c9777f76b7076ab7a13d9596399b48698481b9c3a1796288bd0712d0c7d5dd899e5ce27465075680e8fd6574fbd04be3ba1962d7849d9c

        • memory/1524-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1524-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2704-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2704-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB