Analysis

  • max time kernel
    141s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2022, 05:50

General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.24895.exe

  • Size

    853KB

  • MD5

    ce0443c80c62db2b18578fb5aea2dcc3

  • SHA1

    87e7a6b1a5d3812817a42fb4a0f9d21e90208e71

  • SHA256

    3e1cab8195206e7bf50b34dde56656e54ab25af5fe4136f1f76fc60f7664fd79

  • SHA512

    6fecf34d1bfe41c9c085dd9eeb23b29204090f1cf9081e9b7d7847d9c6b4bb345c222a39cfb20a7a350d3d5125d14b56151fc018e7e00eccb655854768853a26

  • SSDEEP

    12288:Cx11Spw4M5vXRTiSTR9L3b+p2Po3dc5iKPAu/:CcppwfzRJ3bJQoiKPp

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • 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 2 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24895.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24895.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24895.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24895.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/668-72-0x0000000000190000-0x00000000001AA000-memory.dmp

    Filesize

    104KB

  • memory/668-79-0x0000000000190000-0x00000000001AA000-memory.dmp

    Filesize

    104KB

  • memory/668-77-0x0000000000190000-0x00000000001AA000-memory.dmp

    Filesize

    104KB

  • memory/668-74-0x0000000000190000-0x00000000001AA000-memory.dmp

    Filesize

    104KB

  • memory/860-63-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-81-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-61-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-82-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-65-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-68-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/860-60-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1912-59-0x00000000021B0000-0x00000000021D8000-memory.dmp

    Filesize

    160KB

  • memory/1912-57-0x00000000008F0000-0x00000000008FC000-memory.dmp

    Filesize

    48KB

  • memory/1912-56-0x00000000008C0000-0x00000000008DA000-memory.dmp

    Filesize

    104KB

  • memory/1912-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB

  • memory/1912-58-0x00000000056D0000-0x0000000005750000-memory.dmp

    Filesize

    512KB

  • memory/1912-54-0x0000000000AA0000-0x0000000000B7C000-memory.dmp

    Filesize

    880KB