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, 22:53

General

  • Target

    4ce57ad148a242a072958391708d382f35d10c4245e8d8bdbb7f29dfe1f601bf.exe

  • Size

    67KB

  • MD5

    04e315d7904447324911e3ed4e43b0f4

  • SHA1

    c380e1212fc83e587ef6ed8ec7227b8e3a7fb5ea

  • SHA256

    4ce57ad148a242a072958391708d382f35d10c4245e8d8bdbb7f29dfe1f601bf

  • SHA512

    09fafae2e8777bcdddae50df7753e294b4bcaabefdaf08371d85ee21dcb75a14a6f59afc9b7e2e556eaaedf8d2bef4cb2a7d1a72f984cb6e8cc0b8efe9e57955

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhIehXehXhHhD: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\4ce57ad148a242a072958391708d382f35d10c4245e8d8bdbb7f29dfe1f601bf.exe
    "C:\Users\Admin\AppData\Local\Temp\4ce57ad148a242a072958391708d382f35d10c4245e8d8bdbb7f29dfe1f601bf.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          67KB

          MD5

          da7ebda3cce6558abcc1e4fe87a4846a

          SHA1

          b519d35454e0cbc09d496902ec63145e0b52161f

          SHA256

          ea6355401430a53b3360ba346365d7713a9e1a3d51acb5b4fbe8ba590c74fedf

          SHA512

          9c3cc6dd64c823fba4621e12ef359b8101fec185cefbd92e68c6a8d1f744842da6e60f4b1ac1d61f51c9ae136e9d533f2adbdd48fd62a980ef0f7d6736c7dc35

        • memory/2472-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2472-3-0x0000000000220000-0x000000000022E000-memory.dmp

          Filesize

          56KB

        • memory/2744-10-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB