Overview

overview

10

Static

static

3

2026-09-04...os.exe

windows10-2004-x64

10

2026-09-04...os.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 09:27

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General

  • Target
    2026-09-04_5edc3a334532415166aaee2287e52312_elex_luca-stealer_mespinoza_njrat_remcos.exe
  • Size 1.0MB
  • Sample260905-le39ps1fkf
  • SHA256 a25bd210181fa537c65f4696d8135981e9f85ce9f28d9fe1ebf367f374fab0f3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoverysalitytrojanupx

Malware Config

Extracted

Family

  • sality

C2

  • http://89.119.67.154/testo5/

  • http://kukutrustnet777.info/home.gif

  • http://kukutrustnet888.info/home.gif

  • http://kukutrustnet987.info/home.gif

Signatures

  • Family: Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • Modifies firewall policy service 3 TTPs 3 IoCs
    defense_evasion
  • UAC bypass 3 TTPs 1 IoCs
    defense_evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    defense_evasiontrojan
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 12 IoCs
  • UPX dump on OEP (original entry point) 13 IoCs
  • Windows security modification 2 TTPs 7 IoCs
    defense_evasiontrojan
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Windows directory 2 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1284
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:3124
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc
        1⤵
          PID:3224
        • C:\Windows\System32\ShellHost.exe
          "C:\Windows\System32\ShellHost.exe"
          1⤵
            PID:3456
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3388
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4348
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4408
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
                  1⤵
                    PID:4480
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:4176
                    • C:\Windows\system32\ctfmon.exe
                      /QuitInfo:0000000000000268;000000000000026C;
                      1⤵
                        PID:5016
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
                        1⤵
                          PID:5140
                        • C:\Windows\System32\smartscreen.exe
                          C:\Windows\System32\smartscreen.exe -Embedding
                          1⤵
                            PID:5204
                          • C:\Windows\System32\SecurityHealthSystray.exe
                            "C:\Windows\System32\SecurityHealthSystray.exe"
                            1⤵
                              PID:5244
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:1104
                                • C:\Windows\explorer.exe
                                  explorer.exe /LOADSAVEDWINDOWS
                                  2⤵
                                    PID:2844
                                    • C:\Users\Admin\AppData\Local\Temp\2026-09-04_5edc3a334532415166aaee2287e52312_elex_luca-stealer_mespinoza_njrat_remcos.exe
                                      "C:\Users\Admin\AppData\Local\Temp\2026-09-04_5edc3a334532415166aaee2287e52312_elex_luca-stealer_mespinoza_njrat_remcos.exe"
                                      3⤵
                                      • Modifies firewall policy service
                                      • UAC bypass
                                      • Windows security bypass
                                      • Windows security modification
                                      • Checks whether UAC is enabled
                                      • Drops file in Windows directory
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of AdjustPrivilegeToken
                                      • Suspicious use of WriteProcessMemory
                                      • System policy modification
                                      PID:2972
                                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                                  1⤵
                                    PID:708
                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                    1⤵
                                      PID:5792

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

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                                          Downloads

                                          memory/2972-0-0x0000000000400000-0x0000000000504000-memory.dmp
                                          Download

                                          memory/2972-1-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-5-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-3-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-7-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-6-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-8-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-24-0x0000000004880000-0x0000000004881000-memory.dmp
                                          Download

                                          memory/2972-23-0x0000000003830000-0x0000000003832000-memory.dmp
                                          Download

                                          memory/2972-15-0x0000000001D50000-0x0000000001D56000-memory.dmp
                                          Download

                                          memory/2972-26-0x0000000003830000-0x0000000003832000-memory.dmp
                                          Download

                                          memory/2972-14-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-25-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-27-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-40-0x0000000000400000-0x0000000000504000-memory.dmp
                                          Download

                                          memory/2972-16-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-30-0x0000000003830000-0x0000000003832000-memory.dmp
                                          Download

                                          memory/2972-17-0x0000000010000000-0x0000000010208000-memory.dmp
                                          Download

                                          memory/2972-4-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download

                                          memory/2972-9-0x00000000009C0000-0x0000000001A7A000-memory.dmp
                                          Download