Analysis

  • max time kernel
    151s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/11/2026, 18:48

General

  • Target
    Fortilogger-4.4.2.exe
  • Size 38.2MB
  • Sample261104-xf68jay14n
  • SHA256 9c7fc3a1b2fdb0ca9d14cb561843abe8ab9e8e5cb5a08e9b3f160c498db0632a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Queries system WMI classes for hardware identifiers 2 TTPs 1 IoCs

    Uses WMI to read hardware serial numbers or the system UUID, commonly used to fingerprint the victim machine.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fortilogger-4.4.2.exe
    "C:\Users\Admin\AppData\Local\Temp\Fortilogger-4.4.2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\is-PHD5O.tmp\Fortilogger-4.4.2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PHD5O.tmp\Fortilogger-4.4.2.tmp" /SL5="$40176,39201071,721408,C:\Users\Admin\AppData\Local\Temp\Fortilogger-4.4.2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic cpu get processorid > "C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\pid.txt"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic cpu get processorid
          4⤵
          • Queries system WMI classes for hardware identifiers
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4136
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /a /c type "C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\pid.txt">"C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\pid_ansi.txt"
        3⤵
        • Executes a command shell one-liner
        PID:1964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        isxdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\isxdl.dll
        • Size 121KB
        • SHA256 b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pid.txt

        • Path C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\pid.txt
        • Size 82B
        • SHA256 7737b74a99e724453ae3f690ebaebe9fde866d44dd25b3560f00f50e7445c080
        • MD5 SHA1 SHA512 TLSH

        pid_ansi.txt

        • Path C:\Users\Admin\AppData\Local\Temp\is-2HUQJ.tmp\pid_ansi.txt
        • Size 40B
        • SHA256 83db0057dc44ec9d9f7981b056c43e0d4b8495621b5d0cab5e2b284b59ad426b
        • MD5 SHA1 SHA512

        Fortilogger-4.4.2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-PHD5O.tmp\Fortilogger-4.4.2.tmp
        • Size 2.4MB
        • SHA256 1b0dc6060c6c3b91c24caee71dbc5708431c61ad7757a42357243ed288bd6219
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2096-16-0x0000000000400000-0x00000000004BE000-memory.dmp

        memory/2096-0-0x0000000000400000-0x00000000004BE000-memory.dmp

        memory/5004-22-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-28-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-17-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-20-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-6-0x00000000009B0000-0x00000000009B1000-memory.dmp

        memory/5004-24-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-26-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-18-0x00000000009B0000-0x00000000009B1000-memory.dmp

        memory/5004-30-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-32-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-34-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-36-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-38-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-40-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-42-0x0000000000400000-0x0000000000679000-memory.dmp

        memory/5004-44-0x0000000000400000-0x0000000000679000-memory.dmp