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Analysis

  • max time kernel
    104s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2022, 09:09

General

  • Target

    cc958c7f5b0df9478942f85bc4c4d391e14199149a1c443dae217dd288017683.exe

  • Size

    266KB

  • MD5

    47ac5b93c393ffb0f3451675855ebb15

  • SHA1

    90ebc874f7c47f5e36182c552622c4ca6c284c0a

  • SHA256

    cc958c7f5b0df9478942f85bc4c4d391e14199149a1c443dae217dd288017683

  • SHA512

    484beb7b5f9ea29d138c18ccb1e36e0a9a94156177c1bed68da3fd701340a15388fc10b540e1941c7eb3d925b21c601d9c3528872f835c74f3eb321530f6867d

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 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
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\cc958c7f5b0df9478942f85bc4c4d391e14199149a1c443dae217dd288017683.exe
    "C:\Users\Admin\AppData\Local\Temp\cc958c7f5b0df9478942f85bc4c4d391e14199149a1c443dae217dd288017683.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
        PID:948
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:940
        • 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:1696

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/940-65-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-68-0x0000000075DC1000-0x0000000075DC3000-memory.dmp

      Filesize

      8KB

    • memory/940-79-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-57-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-58-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-60-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-62-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/940-78-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1696-69-0x0000000000090000-0x00000000000AA000-memory.dmp

      Filesize

      104KB

    • memory/1696-71-0x0000000000090000-0x00000000000AA000-memory.dmp

      Filesize

      104KB

    • memory/1696-74-0x0000000000090000-0x00000000000AA000-memory.dmp

      Filesize

      104KB

    • memory/1696-76-0x0000000000090000-0x00000000000AA000-memory.dmp

      Filesize

      104KB

    • memory/1876-54-0x0000000000140000-0x0000000000186000-memory.dmp

      Filesize

      280KB

    • memory/1876-55-0x0000000000560000-0x000000000057E000-memory.dmp

      Filesize

      120KB

    • memory/1876-56-0x0000000000530000-0x0000000000550000-memory.dmp

      Filesize

      128KB