Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 04:49

General

  • Target

    c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe

  • Size

    69KB

  • MD5

    f9cfc6fac38c86c06d19d94ff668c1a7

  • SHA1

    568c7ea9e093d61785141de0e7f70c415e6142d8

  • SHA256

    c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d

  • SHA512

    5b516dbd1be4816e8901d7a97ae40663902be714cfb902e792b06054a8b536459fb07ac5b341e39e135b45dfa5c7650022b9e54f63ec32b1f2c926cb78e4bc31

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhL: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\c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe
    "C:\Users\Admin\AppData\Local\Temp\c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:1684

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          69KB

          MD5

          bdc5897f3786e9b203b5716b0f5d95d6

          SHA1

          6cf7b0bc8812d25091d4d3708ce7c7f2ce11590f

          SHA256

          61acc8b0fdf1ea4a1bb5f30b2167f3dedf41e21a33e8b4ee31ca149403b7e51d

          SHA512

          a037f4eef31b089cb834bc6dfcc83c8b8c3715e33d7c9208abfd6df14d146e822e63c5a7930d2c0a3d06e226c3f2e7fc193e47d5219dac704aaadfd33022d65e

        • memory/1684-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1684-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2420-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2420-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB