Analysis

  • max time kernel
    150s
  • max time network
    158s
  • 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, 03:47

General

  • Target
    tmpp5zim094.exe
  • Size 720KB
  • Sample260602-eb8xfsds91
  • SHA256 d6bebefae8f8467a62c47bff7725948729233fb1cb07151d0e79028a5fb46c61
  • 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 28 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 4 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\tmpp5zim094.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpp5zim094.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:3968
    • C:\Users\Admin\AppData\Local\Temp\hmacjq.exe
      "C:\Users\Admin\AppData\Local\Temp\hmacjq.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:5060
    • C:\Users\Admin\AppData\Local\Temp\hmacjq.exe
      "C:\Users\Admin\AppData\Local\Temp\hmacjq.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:3172
  • C:\Windows\explorer.exe
    Explorer.exe
    1⤵
    • Modifies registry class
    PID:1216
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4536

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          gitswayfgjhgcotyayikvuyca.ilj

          • Path C:\Program Files (x86)\gitswayfgjhgcotyayikvuyca.ilj
          • Size 280B
          • SHA256 8569f27dcfa0bcc50c1bb48fd558b30c85a99928ca82f0796558dbe336b033db
          • MD5 SHA1 SHA512 TLSH

          gitswayfgjhgcotyayikvuyca.ilj

          • Path C:\Program Files (x86)\gitswayfgjhgcotyayikvuyca.ilj
          • Size 280B
          • SHA256 e04a1f256ff792fed229caf11c75c8e0d22fdf8ef001016c08539c431fd30df5
          • MD5 SHA1 SHA512 TLSH

          gitswayfgjhgcotyayikvuyca.ilj

          • Path C:\Program Files (x86)\gitswayfgjhgcotyayikvuyca.ilj
          • Size 280B
          • SHA256 eff3f571e807d67de14389421e408239fae9106c11c618bacfa749ea68fc1abf
          • MD5 SHA1 SHA512 TLSH

          hmacjq.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hmacjq.exe
          • Size 1.3MB
          • SHA256 0af700916e4a86c31ea42ba596da5806793d339f6306675aeed00502ea0bc6fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gitswayfgjhgcotyayikvuyca.ilj

          • Path C:\Users\Admin\AppData\Local\gitswayfgjhgcotyayikvuyca.ilj
          • Size 280B
          • SHA256 66247f87be136144c271e7d7a611fd3f436c6f8cf517c2c4239ed5ecc9752a3a
          • MD5 SHA1 SHA512 TLSH

          lyuetirjvjscjgwmzidqmwlajbnbkubyoera.ieo

          • Path C:\Users\Admin\AppData\Local\lyuetirjvjscjgwmzidqmwlajbnbkubyoera.ieo
          • Size 4KB
          • SHA256 c2fa16c1710202a4f3e130cd5fee660cf735d96b9317d37cd2bf6777ba8e239f
          • MD5 SHA1 SHA512 SSDEEP TLSH