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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2022, 10:24

General

  • Target

    150 adet iKMiB-İstanbul siparişi.exe

  • Size

    816KB

  • MD5

    199618b5fb4cce3992ee9c29885e8207

  • SHA1

    3360fbe47c82290b6dca52895e6b7ecb456e74bc

  • SHA256

    077c6dc697fe099f49f24e345aa6dff6ede9be899e28906f856111b5ce364b14

  • SHA512

    5e6c9a42302d232aed6787bc6dba1c1d1c3919c004e3cc3072696caca10b39a03f79dd1dd9526caaf10a2996ea66111254efe4e0800f573e74019ce5adbe48e5

  • SSDEEP

    24576:qK3rbKyIHJaK2QP/Do01q+h+i05rYDgaCuGxN:x3rbKjEGPZqi+rCgaCuK

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5567605125:AAF5a-eiGBTc0sQavelBpgmYIQTDu4ndQ8/sendMessage?chat_id=5442288318

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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 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\150 adet iKMiB-İstanbul siparişi.exe
    "C:\Users\Admin\AppData\Local\Temp\150 adet iKMiB-İstanbul siparişi.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5052
      • 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:4668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1556-132-0x00000000006C0000-0x0000000000790000-memory.dmp

    Filesize

    832KB

  • memory/4668-141-0x0000000000D70000-0x0000000000D8A000-memory.dmp

    Filesize

    104KB

  • memory/4668-142-0x00000000054A0000-0x0000000005506000-memory.dmp

    Filesize

    408KB

  • memory/4668-143-0x0000000005F80000-0x000000000601C000-memory.dmp

    Filesize

    624KB

  • memory/5052-134-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/5052-136-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/5052-139-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/5052-144-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB