Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 20:27

General

  • Target

    190a2e3947226ecf31204dbb57fb5103376e8e8dfcc52d04e8b36702f6fa9630.exe

  • Size

    66KB

  • MD5

    b7ed0b61be5c5ea9d2fffeaae81154a2

  • SHA1

    631361fe08554268e99792e2ea0076f888d482b7

  • SHA256

    190a2e3947226ecf31204dbb57fb5103376e8e8dfcc52d04e8b36702f6fa9630

  • SHA512

    504c16bd7cc90000c65cdbe06a4f58fbda70a5b347fbcc36ea34cf65a510b5cc8007d1288a2b3b442425f135187c1a5e09b5eefda4339ffa4a2f3a00fea8ffa3

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhL:E1oEFlt6vghzwYu7vih9GueIh9j2IoH4

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\190a2e3947226ecf31204dbb57fb5103376e8e8dfcc52d04e8b36702f6fa9630.exe
    "C:\Users\Admin\AppData\Local\Temp\190a2e3947226ecf31204dbb57fb5103376e8e8dfcc52d04e8b36702f6fa9630.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3764
    • 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:4688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          67KB

          MD5

          7243cd8d76f12745a9f733147be0d208

          SHA1

          997e37a1c6c442256ad4d6e2fce402115f5a9cf7

          SHA256

          1696a58b4086521d1b9f1104c6e7591f79458bb6816fa55e4bb47b389ebac1c0

          SHA512

          f9d15eb9adf8de18ff60215555f948cc2cce613a01ed2e8dd58397c9023121021f7a151ad6bcfd74e953fccbe07bb75bbb92d6dc81eb89ecd79a2371605bf4c4

        • memory/3764-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/3764-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4688-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB