Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/03/2026, 08:57

General

  • Target
    file.exe
  • Size 2.2MB
  • Sample260320-kwpbfads2q
  • SHA256 98a0787160f52c10636796eb65d09747903c1d005a540b4e65e85d70ed793fef
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

Botnet
  • New

C2
  • http://138.124.88.111

Attributes
  • url_path

    /e73ec3d3cca2490cb90e.php

rc4.traffic_key
rc4.C2

Signatures

  • Detects Stealc stealer Version 2 16 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • Modifies trusted root certificate store through registry
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:4836
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:5116
        • C:\Users\Admin\AppData\Local\PHXq2dwi2JJu.exe
          "C:\Users\Admin\AppData\Local\PHXq2dwi2JJu.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2356
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2412
      • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
        1⤵
          PID:4444
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:4908
          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
            1⤵
              PID:3228
            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
              1⤵
                PID:6116

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    87C99EE8-16A7-D8DC-2330-BFE47BF8576C.txt

                    • Path C:\ProgramData\87C99EE8-16A7-D8DC-2330-BFE47BF8576C.txt
                    • Size 64B
                    • SHA256 dafef9c00e091697eca3722677dda5f90272351132072bee4890810fd1658806
                    • MD5 SHA1 SHA512 TLSH

                    87C99EE8-16A7-D8DC-2330-BFE47BF8576C.txt

                    • Path C:\ProgramData\87C99EE8-16A7-D8DC-2330-BFE47BF8576C.txt
                    • Size 64B
                    • SHA256 ae8ab3e57d427a8588502712366fb052e57e3f01f5bb92887e646c20335a8079
                    • MD5 SHA1 SHA512 TLSH

                    PHXq2dwi2JJu.exe

                    • Path C:\Users\Admin\AppData\Local\PHXq2dwi2JJu.exe
                    • Size 1.5MB
                    • SHA256 04a40d87d287ccd0cc5de7776d6651fbd312c221835403efc58286eca3691b96
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/2412-57-0x0000000002A40000-0x0000000002A4A000-memory.dmp

                    memory/2412-56-0x00000000058F0000-0x0000000005956000-memory.dmp

                    memory/2412-50-0x0000000000790000-0x00000000007C0000-memory.dmp

                    memory/4740-9-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-8-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-4-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-3-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-2-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-1-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-0-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-6-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-16-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-5-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-10-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-12-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-54-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-55-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-13-0x0000000140000000-0x00000001400D3000-memory.dmp

                    memory/4740-11-0x0000000140000000-0x00000001400D3000-memory.dmp