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Analysis

  • max time kernel
    80s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2022, 20:43

General

  • Target

    a64c16946bf03bfa2c52aba4dd0b55cc.exe

  • Size

    136KB

  • MD5

    a64c16946bf03bfa2c52aba4dd0b55cc

  • SHA1

    7e048b042f7eee728bbac2720716bae32c9a236a

  • SHA256

    07596ca20b3e197f4e03f9a88cd163ddeff5b6f521df937ffb1e0ef9746a78b6

  • SHA512

    0289c12d8b8b4af7dca30cf862f252a14698a17dbf7d2b71eb941ec72b3eb5bc72a1c034eb4c19720ee04a943af7183758d08c9bb7abfdb224cee31b12d9921d

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\a64c16946bf03bfa2c52aba4dd0b55cc.exe
    "C:\Users\Admin\AppData\Local\Temp\a64c16946bf03bfa2c52aba4dd0b55cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1252
    • 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:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1252-56-0x00000000753E1000-0x00000000753E3000-memory.dmp

    Filesize

    8KB

  • memory/1620-57-0x00000000000D0000-0x00000000000EA000-memory.dmp

    Filesize

    104KB

  • memory/1620-59-0x00000000000D0000-0x00000000000EA000-memory.dmp

    Filesize

    104KB

  • memory/1620-62-0x00000000000D0000-0x00000000000EA000-memory.dmp

    Filesize

    104KB

  • memory/1620-64-0x00000000000D0000-0x00000000000EA000-memory.dmp

    Filesize

    104KB