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Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2022, 11:20

General

  • Target

    hesaphareketi-01.exe

  • Size

    21KB

  • MD5

    637f5600bc9e451058c51aa3375fd1e5

  • SHA1

    c14318a0e020ccf5c2830940741df2cc8b8cd261

  • SHA256

    31b24d6daaf516f5fffae5cde34c047cdeb0bcd530b4d0babb3a5b5fbdfaf06e

  • SHA512

    50e43c6cf53dadfb3f02d69a55f809500a78ded85e8b5b8f675075c1628980905c7eb122091b3471731e10fdca29ff90c1ce50bbe2bf76e75b3b919dfb543510

  • SSDEEP

    192:cEeTcW0iOFLfh15JKsUBSjarhF0nxcsz7Fs2WS7M6zvlRJTHhnj4OpqZndlJ4bi:cERWkLfh15JKsUBZd2Zz5TBHCZJ5H1d

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5576673774:AAF__hFRh9bcJV72HkFb-9eZR9JNNyuOmFM/sendMessage?chat_id=1194722650

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/388-132-0x0000000000D50000-0x0000000000D5C000-memory.dmp

    Filesize

    48KB

  • memory/388-133-0x0000000006620000-0x0000000006642000-memory.dmp

    Filesize

    136KB

  • memory/3056-135-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3056-137-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3056-140-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3056-145-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3984-142-0x0000000000190000-0x00000000001AA000-memory.dmp

    Filesize

    104KB

  • memory/3984-143-0x0000000004940000-0x00000000049A6000-memory.dmp

    Filesize

    408KB

  • memory/3984-144-0x0000000005290000-0x000000000532C000-memory.dmp

    Filesize

    624KB