Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 23:01

General

  • Target
    2026-07-31_f8c87a60b54c555b5bd5d18f7ad9b35b_icedid_njrat_stealc.exe
  • Size 3.7MB
  • Sample260731-2zwclaaa63
  • SHA256 f435b24d4c2c5342c4f7c0143ef358f0f425b7b8a0972dd34d9dcf94789e9c4d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 60 IoCs
  • Executes dropped EXE 20 IoCs
  • Modifies system executable filetype association 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_f8c87a60b54c555b5bd5d18f7ad9b35b_icedid_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_f8c87a60b54c555b5bd5d18f7ad9b35b_icedid_njrat_stealc.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Program Files\WinRAR\uninstall.exe
      "C:\Program Files\WinRAR\uninstall.exe" /setup
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Program Files\WinRAR\RarExtInstaller.exe
        "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
        3⤵
        • Executes dropped EXE
        PID:856
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
    1⤵
      PID:4612
    • C:\Program Files\WinRAR\WinRAR.exe
      "C:\Program Files\WinRAR\WinRAR.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Program Files\WinRAR\RarExtInstaller.exe
        "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
        2⤵
        • Executes dropped EXE
        PID:1864
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
      1⤵
        PID:6004
      • C:\Program Files\WinRAR\WinRAR.exe
        "C:\Program Files\WinRAR\WinRAR.exe"
        1⤵
        • Executes dropped EXE
        • Modifies registry class
        PID:812
      • C:\Program Files\WinRAR\RarExtInstaller.exe
        "C:\Program Files\WinRAR\RarExtInstaller.exe" /install /local
        1⤵
        • Executes dropped EXE
        PID:3848
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
        1⤵
          PID:4660
        • C:\Program Files\WinRAR\WinRAR.exe
          "C:\Program Files\WinRAR\WinRAR.exe"
          1⤵
          • Executes dropped EXE
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\Program Files\WinRAR\RarExtInstaller.exe
            "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
            2⤵
            • Executes dropped EXE
            PID:2924
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
          1⤵
            PID:3460
          • C:\Program Files\WinRAR\WinRAR.exe
            "C:\Program Files\WinRAR\WinRAR.exe"
            1⤵
            • Executes dropped EXE
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            PID:4876
          • C:\Windows\system32\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
            1⤵
              PID:1500
            • C:\Program Files\WinRAR\WinRAR.exe
              "C:\Program Files\WinRAR\WinRAR.exe"
              1⤵
              • Executes dropped EXE
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              PID:1968
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
              1⤵
                PID:6136
              • C:\Program Files\WinRAR\WinRAR.exe
                "C:\Program Files\WinRAR\WinRAR.exe"
                1⤵
                • Executes dropped EXE
                • Modifies registry class
                • Suspicious behavior: GetForegroundWindowSpam
                PID:3880
              • C:\Windows\system32\NOTEPAD.EXE
                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                1⤵
                  PID:1400
                • C:\Program Files\WinRAR\WinRAR.exe
                  "C:\Program Files\WinRAR\WinRAR.exe"
                  1⤵
                  • Executes dropped EXE
                  • Modifies registry class
                  PID:5596
                • C:\Windows\system32\NOTEPAD.EXE
                  "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                  1⤵
                    PID:5968
                  • C:\Program Files\WinRAR\WinRAR.exe
                    "C:\Program Files\WinRAR\WinRAR.exe"
                    1⤵
                    • Executes dropped EXE
                    • Modifies registry class
                    • Suspicious behavior: GetForegroundWindowSpam
                    PID:4984
                  • C:\Windows\system32\NOTEPAD.EXE
                    "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                    1⤵
                      PID:2308
                    • C:\Program Files\WinRAR\WinRAR.exe
                      "C:\Program Files\WinRAR\WinRAR.exe"
                      1⤵
                      • Executes dropped EXE
                      • Modifies registry class
                      • Suspicious behavior: GetForegroundWindowSpam
                      PID:2104
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                      1⤵
                        PID:1604
                      • C:\Program Files\WinRAR\WinRAR.exe
                        "C:\Program Files\WinRAR\WinRAR.exe"
                        1⤵
                        • Executes dropped EXE
                        • Modifies registry class
                        • Suspicious behavior: GetForegroundWindowSpam
                        PID:1988
                      • C:\Windows\system32\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                        1⤵
                          PID:4320
                        • C:\Program Files\WinRAR\WinRAR.exe
                          "C:\Program Files\WinRAR\WinRAR.exe"
                          1⤵
                          • Executes dropped EXE
                          • Modifies registry class
                          • Suspicious behavior: GetForegroundWindowSpam
                          PID:5532
                        • C:\Windows\system32\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                          1⤵
                            PID:2296
                          • C:\Program Files\WinRAR\WinRAR.exe
                            "C:\Program Files\WinRAR\WinRAR.exe"
                            1⤵
                            • Executes dropped EXE
                            • Modifies registry class
                            • Suspicious behavior: GetForegroundWindowSpam
                            PID:4724
                          • C:\Windows\system32\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                            1⤵
                              PID:3932
                            • C:\Program Files\WinRAR\WinRAR.exe
                              "C:\Program Files\WinRAR\WinRAR.exe"
                              1⤵
                              • Executes dropped EXE
                              • Suspicious behavior: GetForegroundWindowSpam
                              PID:2756
                            • C:\Windows\system32\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                              1⤵
                                PID:1124
                              • C:\Program Files\WinRAR\WinRAR.exe
                                "C:\Program Files\WinRAR\WinRAR.exe"
                                1⤵
                                • Executes dropped EXE
                                • Modifies registry class
                                PID:5100
                              • C:\Windows\system32\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                                1⤵
                                  PID:4636
                                • C:\Program Files\WinRAR\WinRAR.exe
                                  "C:\Program Files\WinRAR\WinRAR.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  PID:4536

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

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                                      Downloads

                                      Rar.exe

                                      • Path C:\Program Files\WinRAR\Rar.exe
                                      • Size 826KB
                                      • SHA256 1639bfccc19b6fdd9becffb154edca06f07d1f337cc61933273f5b30dfb91882
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Rar.txt

                                      • Path C:\Program Files\WinRAR\Rar.txt
                                      • Size 110KB
                                      • SHA256 626b437acc8c23be798b1f3233f5636e64245941fb931f322cd9e65cb8c56a1f
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      RarExtInstaller.exe

                                      • Path C:\Program Files\WinRAR\RarExtInstaller.exe
                                      • Size 229KB
                                      • SHA256 091f077e4a8ffdca19430e9775b97d3b448e0c8ffdda52fb93b98268d38356f5
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      RarExtPackage.msix

                                      • Path C:\Program Files\WinRAR\RarExtPackage.msix
                                      • Size 23KB
                                      • SHA256 9bd99b011fc9053589e97a4845ba2951d334fa6412190cd0d5f78d6a3e4d3d3d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      UnRAR.exe

                                      • Path C:\Program Files\WinRAR\UnRAR.exe
                                      • Size 558KB
                                      • SHA256 806b42a2ae54eb8688841500aa70b3a3e4fcbe99059e612086cf9ccdc231b5ea
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Uninstall.exe

                                      • Path C:\Program Files\WinRAR\Uninstall.exe
                                      • Size 413KB
                                      • SHA256 c893bab6e0159ad6a3baea054f7341dd543ac0ca446671ce07aa93e97b540dc2
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      WhatsNew.txt

                                      • Path C:\Program Files\WinRAR\WhatsNew.txt
                                      • Size 64KB
                                      • SHA256 aadee800c40e3437867f644057dee828e67fcc6da65004b0a981c000a4e0a58d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      WinRAR.chm

                                      • Path C:\Program Files\WinRAR\WinRAR.chm
                                      • Size 320KB
                                      • SHA256 cb5edb04ac5e879243dae4f1f6d8253b8653dc6c57473bd0b3f3d23fd1861f61
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      WinRAR.exe

                                      • Path C:\Program Files\WinRAR\WinRAR.exe
                                      • Size 3.2MB
                                      • SHA256 ab727aec2418a942a1adf5295efb9c676eeba39d16f7c2443e3f873fe2dfca14
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354

                                      • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                      • Size 727B
                                      • SHA256 6828af6c9042bcc096ff3bc55812cba642bd7ff18dd85c7d5bc3d5f4b53910de
                                      • MD5 SHA1 SHA512 TLSH

                                      BA74182F76F15A9CF514DEF352303C95

                                      • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BA74182F76F15A9CF514DEF352303C95
                                      • Size 737B
                                      • SHA256 8e1136ed51666cc5b9f9b98847c67ce35ff60a6a54cf9a5734dc1e8defd26aa7
                                      • MD5 SHA1 SHA512 TLSH

                                      8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354

                                      • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                      • Size 404B
                                      • SHA256 f90c5343f2e5c9c69a8ac4085ad8e462d69ba1bac4fbe3f57f53f4dd50263e35
                                      • MD5 SHA1 SHA512 TLSH

                                      BA74182F76F15A9CF514DEF352303C95

                                      • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\BA74182F76F15A9CF514DEF352303C95
                                      • Size 248B
                                      • SHA256 03d6516220a80e0206a80950ac330e8b49336cae474c3f5f15d304964df7b4bd
                                      • MD5 SHA1 SHA512 TLSH

                                      version.dat

                                      • Path C:\Users\Admin\AppData\Roaming\WinRAR\version.dat
                                      • Size 12B
                                      • SHA256 bd0dbd7b9a90899c39634b2e515078e2e8e46a502aa8bfa618f4a3765aba1a01
                                      • MD5 SHA1 SHA512

                                      memory/812-123-0x0000024824E00000-0x0000024824E51000-memory.dmp

                                      memory/812-112-0x0000024824E00000-0x0000024824E51000-memory.dmp

                                      memory/944-115-0x000001F079120000-0x000001F079171000-memory.dmp

                                      memory/944-137-0x000001F079120000-0x000001F079171000-memory.dmp

                                      memory/1968-122-0x0000022B315C0000-0x0000022B31611000-memory.dmp

                                      memory/1968-140-0x0000022B315C0000-0x0000022B31611000-memory.dmp

                                      memory/1988-155-0x000002B5E7CB0000-0x000002B5E7D01000-memory.dmp

                                      memory/1988-187-0x000002B5E7CB0000-0x000002B5E7D01000-memory.dmp

                                      memory/2104-193-0x0000021C3D4F0000-0x0000021C3D541000-memory.dmp

                                      memory/2104-148-0x0000021C3D4F0000-0x0000021C3D541000-memory.dmp

                                      memory/2756-184-0x00000231AACD0000-0x00000231AAD21000-memory.dmp

                                      memory/2756-235-0x00000231AACD0000-0x00000231AAD21000-memory.dmp

                                      memory/3880-162-0x00000274B9060000-0x00000274B90B1000-memory.dmp

                                      memory/3880-128-0x00000274B9060000-0x00000274B90B1000-memory.dmp

                                      memory/4536-208-0x000001C087AA0000-0x000001C087AF1000-memory.dmp

                                      memory/4536-241-0x000001C087AA0000-0x000001C087AF1000-memory.dmp

                                      memory/4668-125-0x000001C727380000-0x000001C7273D1000-memory.dmp

                                      memory/4668-106-0x000001C727380000-0x000001C7273D1000-memory.dmp

                                      memory/4724-175-0x0000022C16450000-0x0000022C164A1000-memory.dmp

                                      memory/4724-207-0x0000022C16450000-0x0000022C164A1000-memory.dmp

                                      memory/4876-135-0x000001E2ACC00000-0x000001E2ACC51000-memory.dmp

                                      memory/4876-119-0x000001E2ACC00000-0x000001E2ACC51000-memory.dmp

                                      memory/4984-165-0x00000245757C0000-0x0000024575811000-memory.dmp

                                      memory/4984-141-0x00000245757C0000-0x0000024575811000-memory.dmp

                                      memory/5100-195-0x00000271FC060000-0x00000271FC0B1000-memory.dmp

                                      memory/5100-230-0x00000271FC060000-0x00000271FC0B1000-memory.dmp

                                      memory/5532-166-0x000002D64EDF0000-0x000002D64EE41000-memory.dmp

                                      memory/5532-198-0x000002D64EDF0000-0x000002D64EE41000-memory.dmp

                                      memory/5596-158-0x00000245F7D00000-0x00000245F7D51000-memory.dmp

                                      memory/5596-133-0x00000245F7D00000-0x00000245F7D51000-memory.dmp