Analysis

  • max time kernel
    69s
  • max time network
    71s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12/07/2025, 17:37

Errors

Reason
Machine shutdown

General

  • Target
    1fn45.7no05Ta99NT91.msi
  • Size 4.8MB
  • Sample250712-v7b6cstrt6
  • SHA256 ff074d28f168e23ba94d3223fd6ed3cd87fdd6ec2874338d3c04e28904d41df7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect JanelaRAT payload 3 IoCs
  • JanelaRAT

    JanelaRAT is a trojan targeting FinTech users in the LATAM region written in C#.

  • Janelarat family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 22 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 13 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\1fn45.7no05Ta99NT91.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4464
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DA37BE9E97B793C8F2EC5A0B4886CE69
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4648
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 766B4F81960F54B8E48EF71BA31FF3A3
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C start /MIN reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v gSsnbw /t reg_sz /d "C:\Users\Public\RifWtt\gSsnbwRifWtt.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5004
        • C:\Windows\system32\reg.exe
          reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v gSsnbw /t reg_sz /d "C:\Users\Public\RifWtt\gSsnbwRifWtt.exe"
          4⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:3208
      • C:\Windows\System32\shutdown.exe
        "C:\Windows\System32\shutdown.exe" /r /f /t 60
        3⤵
          PID:568
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Public\RifWtt\gSsnbwRifWtt.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Users\Public\RifWtt\gSsnbwRifWtt.exe
        C:\Users\Public\RifWtt\gSsnbwRifWtt.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:5824
    • C:\Windows\System32\PickerHost.exe
      C:\Windows\System32\PickerHost.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1904
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3a16855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:1596

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e576d82.rbs

          • Path C:\Config.Msi\e576d82.rbs
          • Size 9KB
          • SHA256 aafffb0dae75165bd7431f89e9935a54ec07ac10756f48616d33cc39d1192dfd
          • MD5 SHA1 SHA512 SSDEEP

          tracking.ini

          • Path C:\Users\Admin\AppData\Local\AdvinstAnalytics\686f88dd591300777011147b\7.4.3.2\tracking.ini
          • Size 84B
          • SHA256 0f11b835c17a685503e574a9855f24bd259fabec257adebc443e79f922cdecbf
          • MD5 SHA1 SHA512

          tracking.ini

          • Path C:\Users\Admin\AppData\Local\AdvinstAnalytics\686f88dd591300777011147b\7.4.3.2\tracking.ini
          • Size 84B
          • SHA256 4b571bf26b9aeadf50adb19bbf18533312b69c421a2a78712ce2b65249e5df9d
          • MD5 SHA1 SHA512

          {939E5235-12A6-48CE-9FBC-B80A428EE6AB}.session

          • Path C:\Users\Admin\AppData\Local\AdvinstAnalytics\686f88dd591300777011147b\7.4.3.2\{939E5235-12A6-48CE-9FBC-B80A428EE6AB}.session
          • Size 13KB
          • SHA256 1577bed1f6f3ca622b0f92fd194806588320ee8ecd8dafe86b3730d54d5e1741
          • MD5 SHA1 SHA512 SSDEEP

          UberPenter.dll

          • Path C:\Users\Public\TERAPIA\UberPenter.dll
          • Size 789KB
          • SHA256 d8916ef6e78b598db0d02ad73729017844c01d12298a7d07590e890aa4626b18
          • MD5 SHA1 SHA512 SSDEEP

          nevasca.exe

          • Path C:\Users\Public\TERAPIA\nevasca.exe
          • Size 15KB
          • SHA256 ce3db82dc3c64fc868aea588db0fe60ef72f4a8baa384ff91c7831e09d5ebae8
          • MD5 SHA1 SHA512 SSDEEP

          MSI6DFC.tmp

          • Path C:\Windows\Installer\MSI6DFC.tmp
          • Size 762KB
          • SHA256 371d1346ec9ca236b257fed5b5a5c260114e56dff009f515fa543e11c4bb81f7
          • MD5 SHA1 SHA512 SSDEEP

          MSI6F84.tmp

          • Path C:\Windows\Installer\MSI6F84.tmp
          • Size 378KB
          • SHA256 0ed6836d55180af20f71f7852e3d728f2defe22aa6d2526c54cfbbb4b48cc6a1
          • MD5 SHA1 SHA512 SSDEEP

          MSI7004.tmp

          • Path C:\Windows\Installer\MSI7004.tmp
          • Size 857KB
          • SHA256 7c6bdf16a0992db092b7f94c374b21de5d53e3043f5717a6eecae614432e0df5
          • MD5 SHA1 SHA512 SSDEEP

          e576d7f.msi

          • Path C:\Windows\Installer\e576d7f.msi
          • Size 4.8MB
          • SHA256 ff074d28f168e23ba94d3223fd6ed3cd87fdd6ec2874338d3c04e28904d41df7
          • MD5 SHA1 SHA512 SSDEEP

          memory/5824-173-0x00000000001C0000-0x000000000028E000-memory.dmp

          memory/5824-174-0x000000006F190000-0x000000006F25E000-memory.dmp