Overview

overview

10

Static

static

1

090890090.exe

windows7_x64

7

090890090.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30/04/2021, 07:55

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    090890090.exe
  • Size 882KB
  • Sample210430-d8wdd15w4a
  • SHA256 218e44916d241d9951bc48824cf40cbd6f7798b7e54d6feb5ec5dfbaff222b30
  • MD5 SHA1 SHA512
Score
10/10
stormkittypersistencespywarestealer

Malware Config

Signatures

  • StormKitty

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

    stealerstormkitty
  • StormKitty Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\090890090.exe
    "C:\Users\Admin\AppData\Local\Temp\090890090.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Local\Temp\090890090.exe
      "C:\Users\Admin\AppData\Local\Temp\090890090.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:488
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3396
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:3000
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 88
            4⤵
            • Program crash
            PID:2988

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/488-123-0x0000000000400000-0x00000000004CE000-memory.dmp
          Download

          memory/908-115-0x0000000002370000-0x0000000002373000-memory.dmp
          Download

          memory/3396-119-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/3396-127-0x0000000008FB0000-0x0000000008FB1000-memory.dmp
          Download

          memory/3396-183-0x0000000009170000-0x0000000009171000-memory.dmp
          Download