Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2022 13:36

General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.15918.exe

  • Size

    1.6MB

  • MD5

    c060875fc943e002d7ec0060cddfceb6

  • SHA1

    3280669756354d93239776e1070bfc5d3aa11d05

  • SHA256

    037d8a64737d1acef4673f5d4715335dcbcaeab70d9c4b291597922b9133c6b1

  • SHA512

    c8da0520f3f6459dd2b5bdeb94b67fd7d7b3b854c0d807bd70419f731c766ab24858ad6ffdb0e4bbcb0992b363d59af6063c9d2bf8bf576ed1b2aae8752ad3ef

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15918.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15918.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4132
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:4748
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
          PID:3164
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4788
          • 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:2584

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1140-133-0x0000000005A70000-0x0000000005A92000-memory.dmp

        Filesize

        136KB

      • memory/1140-132-0x0000000000CC0000-0x0000000000E58000-memory.dmp

        Filesize

        1.6MB

      • memory/2584-153-0x00000000055D0000-0x000000000566C000-memory.dmp

        Filesize

        624KB

      • memory/2584-151-0x0000000000390000-0x00000000003AA000-memory.dmp

        Filesize

        104KB

      • memory/4132-137-0x0000000005FC0000-0x0000000006026000-memory.dmp

        Filesize

        408KB

      • memory/4132-136-0x0000000005920000-0x0000000005F48000-memory.dmp

        Filesize

        6.2MB

      • memory/4132-140-0x0000000007FC0000-0x000000000863A000-memory.dmp

        Filesize

        6.5MB

      • memory/4132-141-0x0000000006BE0000-0x0000000006BFA000-memory.dmp

        Filesize

        104KB

      • memory/4132-139-0x0000000006750000-0x000000000676E000-memory.dmp

        Filesize

        120KB

      • memory/4132-138-0x0000000006120000-0x0000000006186000-memory.dmp

        Filesize

        408KB

      • memory/4132-135-0x00000000051C0000-0x00000000051F6000-memory.dmp

        Filesize

        216KB

      • memory/4788-147-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4788-145-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4788-152-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4788-154-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB