Analysis

  • max time kernel
    13s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 22:23

General

  • Target
    611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
  • Size 280KB
  • Sample240927-2axjcssfmj
  • SHA256 611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 5 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
    "C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1332
    • 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:2172
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2700
      • 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:2920
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1600
    • 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:2096
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:828
      • 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:1652
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\BatchSelf.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:760
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 0 &Del 611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 1 &Del C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 1
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpCA36.tmp.dat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCA36.tmp.dat
        • Size 148KB
        • SHA256 7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c
        • MD5 SHA1 SHA512 SSDEEP

        tmpCA39.tmp.dat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCA39.tmp.dat
        • Size 92KB
        • SHA256 eae2daadf140785ff98f48909f57ec24b3138fc0744018ec84a4ff8932c3d638
        • MD5 SHA1 SHA512 SSDEEP

        tmpCA3B.tmp.dat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCA3B.tmp.dat
        • Size 46KB
        • SHA256 522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9
        • MD5 SHA1 SHA512 SSDEEP

        BatchSelf.bat

        • Path C:\Users\Admin\AppData\Roaming\BatchSelf.bat
        • Size 203B
        • SHA256 25d837fb18794858fc5a0ddc1ae536faae69db5f70ffed38ae1227e14e56393b
        • MD5 SHA1 SHA512

        InitializeInvoke.xlsx

        • Path C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Desktop\InitializeInvoke.xlsx
        • Size 10KB
        • SHA256 64c8b5bed6c9ef8d9cb8a6a87dedc6549bc37b1673f883a82f3e709ab77505c3
        • MD5 SHA1 SHA512 SSDEEP

        memory/1332-81-0x00000000742E0000-0x00000000749CE000-memory.dmp

        memory/1332-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

        memory/1332-112-0x0000000001F60000-0x0000000001F90000-memory.dmp

        memory/1332-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

        memory/1332-176-0x00000000742EE000-0x00000000742EF000-memory.dmp

        memory/1332-1-0x00000000008E0000-0x000000000092C000-memory.dmp

        memory/1332-188-0x00000000742E0000-0x00000000749CE000-memory.dmp

        memory/1332-189-0x00000000742E0000-0x00000000749CE000-memory.dmp