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Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2022, 18:28

General

  • Target

    f7e5a5c100fcf5a248dfe0424bc5bbdc.exe

  • Size

    132KB

  • MD5

    f7e5a5c100fcf5a248dfe0424bc5bbdc

  • SHA1

    05fab29b3f901ea56ebc0d5e240aa747aa44ee4f

  • SHA256

    fafa8057f024c7a3c30e48b63d05d712e7de1f2f38f592a03cabbe8917942a89

  • SHA512

    048b661425a63033980b1253bd0e8e24de0eb6ea230e24c46eec965371cd74f7ebd27ae004f6ee006abb48879fa3258ff6d4d049380ea8da57cda5953fb91bf2

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 4 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 1 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7e5a5c100fcf5a248dfe0424bc5bbdc.exe
    "C:\Users\Admin\AppData\Local\Temp\f7e5a5c100fcf5a248dfe0424bc5bbdc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/996-57-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/996-59-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/996-62-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/996-64-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1920-56-0x00000000754C1000-0x00000000754C3000-memory.dmp

    Filesize

    8KB