Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    12/06/2026, 16:04

General

  • Target
    MOU USI-INDSR, TAIWAN/Memorandum of Understanding between USI India and INDSR Taiwan.exe
  • Size 1.5MB
  • Sample260612-th96eshx4x
  • SHA256 fcf4efa82d477c924d42cc6b71aa672ab2381ca256769925ae34dabe2e77e025
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MOU USI-INDSR, TAIWAN\Memorandum of Understanding between USI India and INDSR Taiwan.exe
    "C:\Users\Admin\AppData\Local\Temp\MOU USI-INDSR, TAIWAN\Memorandum of Understanding between USI India and INDSR Taiwan.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 724
      2⤵
      • Program crash
      PID:2524
  • C:\Users\Public\Documents\pcl2bmp.exe
    C:\Users\Public\Documents\pcl2bmp.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 15 /tn "MyUserStartupTask" /tr "\"C:\Users\Admin\AppData\Local\Microsoft\VaultCache\pcl2bmp.exe\"" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 444 -ip 444
    1⤵
      PID:2032
    • C:\Users\Admin\AppData\Local\Microsoft\VaultCache\pcl2bmp.exe
      "C:\Users\Admin\AppData\Local\Microsoft\VaultCache\pcl2bmp.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4676

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ctxmui.dll

          • Path C:\Users\Public\Documents\ctxmui.dll
          • Size 2.3MB
          • SHA256 f2bed071676feb831ed460489643fd57f6c6c1e0d024a1ea447820276fb13828
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pcl2bmp.exe

          • Path C:\Users\Public\Documents\pcl2bmp.exe
          • Size 101KB
          • SHA256 b1ab5d82f392ca786a54f4e999d6e96c12bb6ca6c43a940252a5342debe0341e
          • MD5 SHA1 SHA512 SSDEEP TLSH