Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 12:19

General

  • Target
    Docs3990h7188729pdf.exe
  • Size 5.6MB
  • Sample260417-phpr9sdw4n
  • SHA256 e0b4d51facc012fd92627617b52795a6d0e57275582f00d42fc9cee1e6585ebf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.garcoconstruction.com

  • Port

    587

  • Password

    Ps@sword_2019

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Docs3990h7188729pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Docs3990h7188729pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\Docs399097122ws66h7188729pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Docs399097122ws66h7188729pdf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2000
        3⤵
        • Program crash
        PID:3376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4140 -ip 4140
    1⤵
      PID:3468

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Docs399097122ws66h7188729pdf.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Docs399097122ws66h7188729pdf.exe
          • Size 13.3MB
          • SHA256 df8058cf9eac1620374c9a99b552d17531c705e80c72478596f6cbe8a0d996ef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e_sqlite3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\e_sqlite3.DLL
          • Size 1.4MB
          • SHA256 5ea34b0e209d5115b19ff56bc456ec9f9fa8b05ee373387b1f620d30c11bf1b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/756-16-0x0000021508E00000-0x0000021508E55000-memory.dmp