Analysis

  • max time kernel
    149s
  • max time network
    140s
  • 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, 21:22

General

  • Target

    2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe

  • Size

    57KB

  • MD5

    1a82b1afca2ebce36e2511310e47b7a6

  • SHA1

    bb6fda3ad668614c4a3819cea94dd2367fc6a787

  • SHA256

    2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a

  • SHA512

    4c21001f207145fd885a3e20526f71cf914265583163703017c7f7db0b4f003e95b510210e7880a269609f2da76bee5c9a74b2a2d87bc873673142030b351f0d

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJjWH0HhSh/huhYhcLQO:E1oEFlt6vghzwYu7vih9GueIh9j2IoHz

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\2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe
    "C:\Users\Admin\AppData\Local\Temp\2e0ea4c17b8a3453f1f980a4769836df5c59e76d7a475734744a13dff09dd51a.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2140
    • 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:4908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          57KB

          MD5

          893466742c79b2c111ed11de2d53eaa9

          SHA1

          211402895946beca762bb5d6461bb82ccbe4274e

          SHA256

          19aca5eb431dcd29a5be714db9d4723c13aa180b4fdef0a704644c47093c0586

          SHA512

          4393d917cb4fd3231c42f1df569268395dd281e16833c402fcddbf9c32c3b2364e72e7267e553c5176f86099caf2886e2a8976c8f52d3f37b5e05eab695d29df

        • memory/2140-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2140-4-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4908-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB