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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:09

General

  • Target

    34f76de8267d9a91d17434be5e65ffd3cc33a92188faa235c895b63e154356a9.exe

  • Size

    211KB

  • MD5

    dfc95dfdc917270aedadb22238d7cae8

  • SHA1

    91c80164d7411805c86fa014536fb7d74cab616d

  • SHA256

    34f76de8267d9a91d17434be5e65ffd3cc33a92188faa235c895b63e154356a9

  • SHA512

    fd97d703d4d57f5bfb38426fec2d343234258c5c8c5559662d6917a8770a7001b8011cfae812cc7aa9ccc5947d4b37db610f459ec58d7602ef55884334e79745

  • SSDEEP

    3072:Zp8Lc70UkL/JHt6RpkBzEhE0faKQAc7lGZPHb/5FVuBJ+U53TXbYwEKXFR:ILTr5t6Rpk8E0CZSb1gpEKX

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34f76de8267d9a91d17434be5e65ffd3cc33a92188faa235c895b63e154356a9.exe
    "C:\Users\Admin\AppData\Local\Temp\34f76de8267d9a91d17434be5e65ffd3cc33a92188faa235c895b63e154356a9.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1036
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2172
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2996
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 2408
      2⤵
      • Program crash
      PID:956
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4476
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3320
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1036 -ip 1036
    1⤵
      PID:5000
    • C:\Windows\system32\BackgroundTransferHost.exe
      "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
      1⤵
        PID:2172

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/1036-1-0x0000000000E30000-0x0000000000E6C000-memory.dmp

        Filesize

        240KB

      • memory/1036-0-0x000000007474E000-0x000000007474F000-memory.dmp

        Filesize

        4KB

      • memory/1036-2-0x0000000003230000-0x0000000003242000-memory.dmp

        Filesize

        72KB

      • memory/1036-3-0x00000000059D0000-0x0000000005B92000-memory.dmp

        Filesize

        1.8MB

      • memory/1036-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

        Filesize

        7.7MB

      • memory/1036-5-0x0000000006A50000-0x0000000006F7C000-memory.dmp

        Filesize

        5.2MB

      • memory/1036-7-0x0000000007660000-0x00000000076F2000-memory.dmp

        Filesize

        584KB

      • memory/1036-6-0x0000000007550000-0x00000000075B6000-memory.dmp

        Filesize

        408KB

      • memory/1036-48-0x0000000074740000-0x0000000074EF0000-memory.dmp

        Filesize

        7.7MB