Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 02:53

General

  • Target
    tmp52_szf22.exe
  • Size 708KB
  • Sample260602-dds4cadw6r
  • SHA256 87d84f8ce2a6ca3477772aae89c328164ce5027018c200861eb1c9f49e59f7e2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 26 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp52_szf22.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp52_szf22.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Hijack Execution Flow: Executable Installer File Permissions Weakness
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4168
    • C:\Users\Admin\AppData\Local\Temp\djgox.exe
      "C:\Users\Admin\AppData\Local\Temp\djgox.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:4000
    • C:\Users\Admin\AppData\Local\Temp\djgox.exe
      "C:\Users\Admin\AppData\Local\Temp\djgox.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:1640
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:4416
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:220

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ilfkqlorvtkfmbriglsvpuav.bfd

          • Path C:\Program Files (x86)\ilfkqlorvtkfmbriglsvpuav.bfd
          • Size 280B
          • SHA256 9c262d32912cf3f63ffc47a8b3e16dfda1c9013d74ba1fb85392646008451f5e
          • MD5 SHA1 SHA512 TLSH

          ilfkqlorvtkfmbriglsvpuav.bfd

          • Path C:\Program Files (x86)\ilfkqlorvtkfmbriglsvpuav.bfd
          • Size 280B
          • SHA256 2455b704d85a6a73a216e0f19782dc1fa1b7f59fab9fd229d91cb3ad98b5816c
          • MD5 SHA1 SHA512 TLSH

          ilfkqlorvtkfmbriglsvpuav.bfd

          • Path C:\Program Files (x86)\ilfkqlorvtkfmbriglsvpuav.bfd
          • Size 280B
          • SHA256 7f2e1c301b17dd157b13f6fb181715f86a89aa21cef759727d7c85716c3fa284
          • MD5 SHA1 SHA512 TLSH

          djgox.exe

          • Path C:\Users\Admin\AppData\Local\Temp\djgox.exe
          • Size 1.2MB
          • SHA256 0816a0c23e067a9c96c1d52d1884ecd81743060f6da05e1d030df170afb3bbee
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ilfkqlorvtkfmbriglsvpuav.bfd

          • Path C:\Users\Admin\AppData\Local\ilfkqlorvtkfmbriglsvpuav.bfd
          • Size 280B
          • SHA256 dff8ab0cf20c8e9ad7fcf17c31589178a853721373c8e4ab579ec81ae20f7e22
          • MD5 SHA1 SHA512 TLSH

          rfkarxlzoxzfxxyajzrfkarxlzoxzfxxyaj.rfk

          • Path C:\Users\Admin\AppData\Local\rfkarxlzoxzfxxyajzrfkarxlzoxzfxxyaj.rfk
          • Size 4KB
          • SHA256 097e62e1c540137c34ee922b65941b5b3c76d3f5ca7ad57cfa8ce0ed5a468f54
          • MD5 SHA1 SHA512 SSDEEP TLSH