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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2022, 10:08

General

  • Target

    93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe

  • Size

    152KB

  • MD5

    3218a6b674d56aff678ef803ac3b7b57

  • SHA1

    180c1091753861286f391d1b4cf5d4c80333e762

  • SHA256

    93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d

  • SHA512

    198e0c0a03761301248511bac393a2722b05bf32f6351b2baea9f363f67226c5981ed39cfb091daa77aed862b973bd11e35a0a4cde1e74dca8c865cde0141618

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
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe
    "C:\Users\Admin\AppData\Local\Temp\93099d7605c84c5fcbd45ec0e6b4210c20a4ac7194680de845116b9af0286d2d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3348
    • 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:320
      • 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:4636

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/320-132-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/320-134-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/320-137-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/320-142-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3348-130-0x0000000000D90000-0x0000000000DB8000-memory.dmp

    Filesize

    160KB

  • memory/4636-139-0x0000000000FB0000-0x0000000000FCA000-memory.dmp

    Filesize

    104KB

  • memory/4636-140-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/4636-141-0x00000000060C0000-0x000000000615C000-memory.dmp

    Filesize

    624KB