Analysis

  • max time kernel
    149s
  • max time network
    141s
  • 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, 20:20

General

  • Target

    18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe

  • Size

    98KB

  • MD5

    2567a52fb8b85315bdb4edea2361d6c7

  • SHA1

    d4cc0b2fb54a9254cd75feeb1eb986507fd10aec

  • SHA256

    18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72

  • SHA512

    c5fd2eb04c5e708b5eae9818893b4502068559a9d377cd63aa1c3e84b667f283202ebeef4a4cd3ca4c765600346db026f94577805603da209524dc94890ae0cf

  • SSDEEP

    3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKF:W9n

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\18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe
    "C:\Users\Admin\AppData\Local\Temp\18f145ad8f4134cde0d4856d18cbadec834a8d4ab25851f1661e7958c2526f72.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1760
    • 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:2792

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          98KB

          MD5

          1c4f970793de1acb708ffc838dcd9bfa

          SHA1

          554d399058dae0925f4ed665d0bf7706cf3cd68c

          SHA256

          927ce5b7518e2aff3bc981f70bd4f36c81581d210e49db6a25f1e81ff4ad531d

          SHA512

          7787a8cb2004daf2704a1c10f0d64301c1648a2e8aa30bc0693351a233ae8a9da6e826a9114c8394d11ee7cf9bf384bb001081074c252ecb70c3e71896c578b4

        • memory/1760-0-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/1760-4-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2792-6-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB