Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 02:26

General

  • Target
    tmptode6jqa.exe
  • Size 680KB
  • Sample260602-cw4gcsby4y
  • SHA256 e43a8e7208acf4b3c0d288e9c2dd7c63fd729e1d0dd9203b1231081e9bbf8c15
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 9 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 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\tmptode6jqa.exe
    "C:\Users\Admin\AppData\Local\Temp\tmptode6jqa.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • 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:4200
    • C:\Users\Admin\AppData\Local\Temp\vepqafo.exe
      "C:\Users\Admin\AppData\Local\Temp\vepqafo.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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:1360
    • C:\Users\Admin\AppData\Local\Temp\vepqafo.exe
      "C:\Users\Admin\AppData\Local\Temp\vepqafo.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:760
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1944
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2808

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          vepqafo.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vepqafo.exe
          • Size 1.2MB
          • SHA256 77c28dc7d4f200b8d5c51dbf336747f0eab4290884a1d08ae2a9d46dbc16696b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          oucahjpwuzqazgfdexiowubdjq.tku

          • Path C:\Users\Admin\AppData\Local\oucahjpwuzqazgfdexiowubdjq.tku
          • Size 272B
          • SHA256 ecec53621e3f97a8fd815839103bbf6e79fe3b083aea6302cc1b53560cc78f4f
          • MD5 SHA1 SHA512 TLSH

          pgzianewfvxscuenzdzqjskxogpfhcmeoxjnj.tcu

          • Path C:\Users\Admin\AppData\Local\pgzianewfvxscuenzdzqjskxogpfhcmeoxjnj.tcu
          • Size 3KB
          • SHA256 5495669dfeb693a43e30b5482ada9ede475e2a894339fd233eb0809dd64eff87
          • MD5 SHA1 SHA512 TLSH