Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-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 17 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • 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.

  • 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.

  • 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 WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Modifies trusted root certificate store through registry
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:4580
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3220
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          2⤵
            PID:1016
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            2⤵
              PID:4004
            • C:\Users\Admin\AppData\Local\G11VJAFGAi8V.exe
              "C:\Users\Admin\AppData\Local\G11VJAFGAi8V.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2756
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe
                3⤵
                  PID:2184
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 16
                    4⤵
                    • Program crash
                    PID:2656
            • 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:3816
              • 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:3388
                • 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:1120
                  • 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:2884
                    • 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:1572
                      • 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:840
                        • 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:2160
                          • 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:3444
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2184 -ip 2184
                              1⤵
                                PID:5064

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    3AEAB1A8-24E7-359C-63F0-FFA4BBB8972C.txt

                                    • Path C:\ProgramData\3AEAB1A8-24E7-359C-63F0-FFA4BBB8972C.txt
                                    • Size 64B
                                    • SHA256 75361bc8628f2dcd23501725042d78b3703889069ca78142ff8694dae723146c
                                    • MD5 SHA1 SHA512 TLSH

                                    G11VJAFGAi8V.exe

                                    • Path C:\Users\Admin\AppData\Local\G11VJAFGAi8V.exe
                                    • Size 1.5MB
                                    • SHA256 04a40d87d287ccd0cc5de7776d6651fbd312c221835403efc58286eca3691b96
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/2184-58-0x0000000000400000-0x0000000000430000-memory.dmp

                                    memory/3388-15-0x000001F852430000-0x000001F85248D000-memory.dmp

                                    memory/3816-14-0x00000241700A0000-0x00000241700FD000-memory.dmp

                                    memory/4700-0-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-11-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-7-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-5-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-4-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-2-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-1-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-6-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-9-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-8-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-10-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-18-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-26-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-25-0x00000216F6150000-0x00000216F68FE000-memory.dmp

                                    memory/4700-13-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-12-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-62-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-64-0x0000000140000000-0x00000001400D3000-memory.dmp

                                    memory/4700-63-0x00000216F6150000-0x00000216F68FE000-memory.dmp