Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2025, 21:38

General

  • Target

    32743f83afd0069e55e4f803c38697cbde900b856cbee3ae7596098af4452276.exe

  • Size

    53KB

  • MD5

    a16aa8997c3c9e96b49e37894fce0807

  • SHA1

    b857d54982d6183715a9e50a9bf88867f9d9436f

  • SHA256

    32743f83afd0069e55e4f803c38697cbde900b856cbee3ae7596098af4452276

  • SHA512

    b04eae24d0b918152c8f61a3187d4af58a60ac483020449b41010dc687179ddc6ceddce9314bc756bd8fd779052c7385976a039fc434aac3ae5a4a4515b64ff9

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX7:E1oEFlt6vghzwYu7vih9GueIh9j2IoHF

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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32743f83afd0069e55e4f803c38697cbde900b856cbee3ae7596098af4452276.exe
    "C:\Users\Admin\AppData\Local\Temp\32743f83afd0069e55e4f803c38697cbde900b856cbee3ae7596098af4452276.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:1152

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          53KB

          MD5

          7a644ba1af8eb316d261bb8843c9d146

          SHA1

          e01b94f956d5cb46b01abc3c5826a33ac332c346

          SHA256

          c848347f3b98ddd885b05a5e836145f134e8d756af5eb4f571df4e6c18ec7b4b

          SHA512

          3c9956d7a67800a66613e933c5e56ed1e227cd5df4b9c19314e054f37347ee72787e4704c3350da37c7c1c91737729e38e52cbe7b95849012424679da25c978a

        • memory/1152-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4844-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4844-4-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB