Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 23:57

General

  • Target

    6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe

  • Size

    52KB

  • MD5

    acfa39d8d65f9e7748291c8315fd6d8d

  • SHA1

    e535e4b7855f07e77938cf8cba37d80bb4a3ddef

  • SHA256

    6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19

  • SHA512

    4a980fd8aa88ab0d8a10e9918ac3721d94db62011f255c3be70c79bc961d2548b2bfd9d48c24d2a15e97ec2a0986be4f58ee3048336275cb1a8e7fc8d2453419

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJSch+IHh4hchN:E1oEFlt6vghzwYu7vih9GueIh9j2IoHj

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\6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe
    "C:\Users\Admin\AppData\Local\Temp\6272478003ba5f03012c756ed2b0e077b6ca812c06ecf269d04ed85d64afed19.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2212

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          52KB

          MD5

          bf6b877a90702a564daec029edd00df9

          SHA1

          cba6791b9d81debeb4dac884cd137e2301c30f66

          SHA256

          ac6606b04971d27257619bac74070fda3240d144814a969489102d4e845cc042

          SHA512

          25ac3054023bb4b071bf926b371af8ac8829615856640bda4a0b139053d7b0bfb5374ee3df2278a716b3b80499bbfa94bfbd3d70180372f55328fdb04ae7560e

        • memory/2212-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2212-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2328-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2328-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB