Analysis

  • max time kernel
    165s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 20:18

General

  • Target
    41c3b05debb26645393a5c7253f28e77.exe
  • Size 594KB
  • Sample240104-y3rxssbce7
  • SHA256 584a847c7e779a2951440152072b93e4ecccb1b86148a2e289c2ccb86962ac34
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • A310logger Executable 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe
    "C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe
      "C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
          PID:748
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
          3⤵
            PID:5048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 748 -ip 748
        1⤵
          PID:1672

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/408-3-0x0000000000400000-0x0000000000430000-memory.dmp

              memory/408-5-0x0000000000400000-0x0000000000430000-memory.dmp

              memory/408-8-0x0000000000400000-0x0000000000430000-memory.dmp

              memory/3768-1-0x0000000001200000-0x0000000001300000-memory.dmp

              memory/3768-2-0x0000000001AA0000-0x0000000001AA2000-memory.dmp

              memory/5048-11-0x0000000000400000-0x0000000000418000-memory.dmp

              memory/5048-12-0x0000000074540000-0x0000000074AF1000-memory.dmp

              memory/5048-13-0x0000000074540000-0x0000000074AF1000-memory.dmp

              memory/5048-14-0x00000000010C0000-0x00000000010D0000-memory.dmp