Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2025, 01:23

General

  • Target

    5ce5ee4fb082924fffae0373d8912990ba95027f854eea5fb1000cf8a6c98903.exe

  • Size

    41KB

  • MD5

    4bba93689d283421bfcb856ad2dfeb8a

  • SHA1

    d67e44b4009e49b0ae178492d3da56b2f160d4cb

  • SHA256

    5ce5ee4fb082924fffae0373d8912990ba95027f854eea5fb1000cf8a6c98903

  • SHA512

    c01bc13e8604233c219593a237b02b8bdcd2a8fb4bed74930e345af697868c8eb7354f0814f9bb48528bd903a4911fc6a811525657bb19659e78c84a4aae9f84

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IB:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gt

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\5ce5ee4fb082924fffae0373d8912990ba95027f854eea5fb1000cf8a6c98903.exe
    "C:\Users\Admin\AppData\Local\Temp\5ce5ee4fb082924fffae0373d8912990ba95027f854eea5fb1000cf8a6c98903.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    42KB

    MD5

    eb0097fe3093690d04f3163c5041f542

    SHA1

    7f72379cd77b0fe97b6b56737081407117b7d828

    SHA256

    13f4cff410bcadfcebebad5017b364b832250dcf993637475d53ab3359920889

    SHA512

    152dc3ce3da2e73485c00da72ebeb1039caa21df97616c386abafe5069ee420a4b458d35b97de0e7ce8ebda5dcc6509f8e6ebacebf9bb4c6bd14c77a19779bc1

  • memory/2256-9-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2256-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3044-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3044-7-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB