Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 10:15

General

  • Target
    jaffacakes118_Trojan.Win32.FlyStudio.c.exe
  • Size 664KB
  • Sample261014-mapfesbv21
  • SHA256 d35eeb9fc52c0f51f2e86f85b4e3752ccccb98f6c469517ef8c73da63346c3e8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.FlyStudio.c.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.FlyStudio.c.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4712
  • C:\MSGSRA32.EXE
    \MSGSRA32.EXE
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2288
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3508

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MSGSRA32.EXE

          • Path C:\MSGSRA32.EXE
          • Size 664KB
          • SHA256 d35eeb9fc52c0f51f2e86f85b4e3752ccccb98f6c469517ef8c73da63346c3e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          internet.fnr

          • Path C:\Users\Admin\AppData\Local\Temp\internet.fnr
          • Size 184KB
          • SHA256 c6faa6ef416c8ae759e811b2a367f71b917711e66765aa15b76247a4d430ca33
          • MD5 SHA1 SHA512 SSDEEP TLSH

          krnln.fnr

          • Path C:\Users\Admin\AppData\Local\Temp\krnln.fnr
          • Size 1.1MB
          • SHA256 95ee40a54cf91774fda6b04f1bb3c393fedd40cd8d4db6267a176294638d4e82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2288-18-0x00000000022B0000-0x00000000022ED000-memory.dmp

          memory/4712-8-0x00000000027C0000-0x00000000027FD000-memory.dmp