Overview

overview

10

Static

static

3

2026-05-23...yn.exe

windows10-2004-x64

10

2026-05-23...yn.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 16:26

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General

  • Target
    2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe
  • Size 3.8MB
  • Sample260523-txm97sdt2m
  • SHA256 08d1c621084c51159d8a94ac88af19483f4372120f786360b440778b2c33dac3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • 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.

    persistenceprivilege_escalation
  • Executes dropped EXE 24 IoCs
  • Modifies system executable filetype association 2 TTPs 4 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 60 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 13 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5040
    • \??\c:\users\admin\appdata\local\temp\2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Program Files\WinRAR\uninstall.exe
        "C:\Program Files\WinRAR\uninstall.exe" /setup
        3⤵
        • Executes dropped EXE
        • Modifies system executable filetype association
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2268
        • C:\Program Files\WinRAR\RarExtInstaller.exe
          "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
          4⤵
          • Executes dropped EXE
          PID:1192
        • C:\Program Files\WinRAR\WinRAR.exe
          "C:\Program Files\WinRAR\WinRAR.exe"
          4⤵
          • Executes dropped EXE
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:2200
          • C:\Program Files\WinRAR\RarExtInstaller.exe
            "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
            5⤵
            • Executes dropped EXE
            PID:1368
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
          4⤵
            PID:5472
          • C:\Windows\system32\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
            4⤵
              PID:4600
            • C:\Program Files\WinRAR\WinRAR.exe
              "C:\Program Files\WinRAR\WinRAR.exe"
              4⤵
              • Executes dropped EXE
              PID:6108
            • C:\Program Files\WinRAR\WinRAR.exe
              "C:\Program Files\WinRAR\WinRAR.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of WriteProcessMemory
              PID:3660
              • C:\Program Files\WinRAR\RarExtInstaller.exe
                "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
                5⤵
                • Executes dropped EXE
                PID:3840
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
              4⤵
                PID:3884
              • C:\Windows\system32\NOTEPAD.EXE
                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                4⤵
                  PID:1312
                • C:\Program Files\WinRAR\WinRAR.exe
                  "C:\Program Files\WinRAR\WinRAR.exe"
                  4⤵
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious behavior: GetForegroundWindowSpam
                  PID:4792
                • C:\Program Files\WinRAR\WinRAR.exe
                  "C:\Program Files\WinRAR\WinRAR.exe"
                  4⤵
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious behavior: GetForegroundWindowSpam
                  PID:5576
                • C:\Windows\system32\NOTEPAD.EXE
                  "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                  4⤵
                    PID:4476
                  • C:\Windows\system32\NOTEPAD.EXE
                    "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                    4⤵
                      PID:5248
                    • C:\Program Files\WinRAR\WinRAR.exe
                      "C:\Program Files\WinRAR\WinRAR.exe"
                      4⤵
                      • Executes dropped EXE
                      • Modifies registry class
                      • Suspicious behavior: GetForegroundWindowSpam
                      PID:1644
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                      4⤵
                        PID:1964
                      • C:\Program Files\WinRAR\WinRAR.exe
                        "C:\Program Files\WinRAR\WinRAR.exe"
                        4⤵
                        • Executes dropped EXE
                        PID:1672
                      • C:\Program Files\WinRAR\WinRAR.exe
                        "C:\Program Files\WinRAR\WinRAR.exe"
                        4⤵
                        • Executes dropped EXE
                        • Modifies registry class
                        • Suspicious behavior: GetForegroundWindowSpam
                        PID:3128
                      • C:\Windows\system32\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                        4⤵
                          PID:3024
                        • C:\Program Files\WinRAR\WinRAR.exe
                          "C:\Program Files\WinRAR\WinRAR.exe"
                          4⤵
                          • Executes dropped EXE
                          • Modifies registry class
                          • Suspicious behavior: GetForegroundWindowSpam
                          PID:5676
                        • C:\Windows\system32\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                          4⤵
                            PID:5636
                          • C:\Program Files\WinRAR\WinRAR.exe
                            "C:\Program Files\WinRAR\WinRAR.exe"
                            4⤵
                            • Executes dropped EXE
                            • Suspicious behavior: GetForegroundWindowSpam
                            PID:4724
                          • C:\Windows\system32\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                            4⤵
                              PID:3032
                            • C:\Program Files\WinRAR\WinRAR.exe
                              "C:\Program Files\WinRAR\WinRAR.exe"
                              4⤵
                              • Executes dropped EXE
                              • Modifies registry class
                              • Suspicious behavior: GetForegroundWindowSpam
                              PID:4952
                            • C:\Windows\system32\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                              4⤵
                                PID:5104
                              • C:\Windows\system32\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                                4⤵
                                  PID:3728
                                • C:\Program Files\WinRAR\WinRAR.exe
                                  "C:\Program Files\WinRAR\WinRAR.exe"
                                  4⤵
                                  • Executes dropped EXE
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  PID:1040
                                • C:\Program Files\WinRAR\WinRAR.exe
                                  "C:\Program Files\WinRAR\WinRAR.exe"
                                  4⤵
                                  • Executes dropped EXE
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  PID:3188
                                • C:\Windows\system32\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                                  4⤵
                                    PID:3308
                              • C:\Windows\Resources\Themes\icsys.icn.exe
                                C:\Windows\Resources\Themes\icsys.icn.exe
                                2⤵
                                • Executes dropped EXE
                                • Drops file in Windows directory
                                • System Location Discovery: System Language Discovery
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of SetWindowsHookEx
                                • Suspicious use of WriteProcessMemory
                                PID:3640
                                • \??\c:\windows\resources\themes\explorer.exe
                                  c:\windows\resources\themes\explorer.exe
                                  3⤵
                                  • Modifies visibility of hidden/system files in Explorer
                                  • Executes dropped EXE
                                  • Adds Run key to start application
                                  • Drops file in System32 directory
                                  • Drops file in Windows directory
                                  • System Location Discovery: System Language Discovery
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  • Suspicious use of SetWindowsHookEx
                                  • Suspicious use of WriteProcessMemory
                                  PID:2288
                                  • \??\c:\windows\resources\spoolsv.exe
                                    c:\windows\resources\spoolsv.exe SE
                                    4⤵
                                    • Executes dropped EXE
                                    • Drops file in Windows directory
                                    • System Location Discovery: System Language Discovery
                                    • Suspicious use of SetWindowsHookEx
                                    • Suspicious use of WriteProcessMemory
                                    PID:5084
                                    • \??\c:\windows\resources\svchost.exe
                                      c:\windows\resources\svchost.exe
                                      5⤵
                                      • Modifies visibility of hidden/system files in Explorer
                                      • Executes dropped EXE
                                      • Adds Run key to start application
                                      • Drops file in System32 directory
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      • Suspicious use of SetWindowsHookEx
                                      • Suspicious use of WriteProcessMemory
                                      PID:5216
                                      • \??\c:\windows\resources\spoolsv.exe
                                        c:\windows\resources\spoolsv.exe PR
                                        6⤵
                                        • Executes dropped EXE
                                        • System Location Discovery: System Language Discovery
                                        • Suspicious use of SetWindowsHookEx
                                        PID:2152
                            • C:\Program Files\WinRAR\RarExtInstaller.exe
                              "C:\Program Files\WinRAR\RarExtInstaller.exe" /install /local
                              1⤵
                              • Executes dropped EXE
                              PID:1604

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Reconnaissance

                                  Resource Development

                                  Initial Access

                                  Execution

                                  Persistence

                                  Boot or Logon Autostart Execution

                                  1
                                  T1547

                                  Registry Run Keys / Startup Folder

                                  1
                                  T1547.001

                                  Event Triggered Execution

                                  2
                                  T1546

                                  Change Default File Association

                                  1
                                  T1546.001

                                  Component Object Model Hijacking

                                  1
                                  T1546.015

                                  Privilege Escalation

                                  Boot or Logon Autostart Execution

                                  1
                                  T1547

                                  Registry Run Keys / Startup Folder

                                  1
                                  T1547.001

                                  Event Triggered Execution

                                  2
                                  T1546

                                  Change Default File Association

                                  1
                                  T1546.001

                                  Component Object Model Hijacking

                                  1
                                  T1546.015

                                  Defense Evasion

                                  Hide Artifacts

                                  1
                                  T1564

                                  Hidden Files and Directories

                                  1
                                  T1564.001

                                  Modify Registry

                                  3
                                  T1112

                                  Credential Access

                                  Discovery

                                  Query Registry

                                  1
                                  T1012

                                  System Information Discovery

                                  1
                                  T1082

                                  System Location Discovery

                                  1
                                  T1614

                                  System Language Discovery

                                  1
                                  T1614.001

                                  Lateral Movement

                                  Collection

                                  Command and Control

                                  Exfiltration

                                  Impact

                                  Replay Monitor

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                                  Downloads

                                  Rar.exe
                                  • Path C:\Program Files\WinRAR\Rar.exe
                                  • Size 816KB
                                  • SHA256 a7a155934662984a5063d8d9215dc5e226aa12f4e04fca932574ea075e32dd3a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  Rar.txt
                                  • Path C:\Program Files\WinRAR\Rar.txt
                                  • Size 109KB
                                  • SHA256 6dd26a6a89a4c14e27b347b2a82510405a42cbd4b8441b2ab57712c3e06ef122
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  RarExtInstaller.exe
                                  • Path C:\Program Files\WinRAR\RarExtInstaller.exe
                                  • Size 218KB
                                  • SHA256 267e3f3f4fa5201f980063b289a6140423480b8ba9d6361b5d06a76af709d011
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  RarExtPackage.msix
                                  • Path C:\Program Files\WinRAR\RarExtPackage.msix
                                  • Size 23KB
                                  • SHA256 897cba67a9dff1f3ae692ce07fe578c0f2a73e61c76d969f1d19e76ecac7b102
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  UnRAR.exe
                                  • Path C:\Program Files\WinRAR\UnRAR.exe
                                  • Size 548KB
                                  • SHA256 0d6b63ab2cf10c9b55eabc046580fcbf36c85f9459d3c2316493315674aadc72
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  Uninstall.exe
                                  • Path C:\Program Files\WinRAR\Uninstall.exe
                                  • Size 402KB
                                  • SHA256 39baa167de334fef185ae8b97e8c709a307eed08e80fe115577c59a05200a13a
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  WhatsNew.txt
                                  • Path C:\Program Files\WinRAR\WhatsNew.txt
                                  • Size 56KB
                                  • SHA256 3f70b08b71d842b09d5e16b63fc76fd43a2a28d8df1139c92700991cb2b756ca
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  WinRAR.chm
                                  • Path C:\Program Files\WinRAR\WinRAR.chm
                                  • Size 324KB
                                  • SHA256 99bb582195688b6d85f48a97f0741b1169cb97e4ab7e76506b8f67c6ee6c9149
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  WinRAR.exe
                                  • Path C:\Program Files\WinRAR\WinRAR.exe
                                  • Size 3.3MB
                                  • SHA256 b23b5618bfc34110a02920578a9739923eef06b192066f8d7bd3965a07eefe0e
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Size 727B
                                  • SHA256 72e28318a9cf254a22164a17fb8d6aa3b1abddd9bc39b76ab975007be056bb4e
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Size 727B
                                  • SHA256 30bdbb38109787a1d3f75a64059ed60f1edc7f22a400efdd4b8904812872f634
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Size 404B
                                  • SHA256 170477c7ef2488ec58fb3b1d844d666fc1a64f5c66844ad34bda41cebf914777
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Size 412B
                                  • SHA256 8002994bbef7c527af94ecd2175abca49438589749d10d2fb1b275b600be17c9
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe 
                                  • Path C:\Users\Admin\AppData\Local\Temp\2026-05-23_4b60fa6d48da570cdadace282395cb03_elex_icedid_njrat_stealc_swisyn.exe 
                                  • Size 3.6MB
                                  • SHA256 dbc951b4ab01646888b2a91da73a94dd920054c2f27c8cfeacae3eba298e71b0
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  version.dat
                                  • Path C:\Users\Admin\AppData\Roaming\WinRAR\version.dat
                                  • Size 12B
                                  • SHA256 d5cd620828cfd7bf29bebe25d87f724f8fd2ef899a8873f27e8cb740c783aeb3
                                  • MD5 SHA1 SHA512
                                  Submit Download

                                  explorer.exe
                                  • Path C:\Windows\Resources\Themes\explorer.exe
                                  • Size 135KB
                                  • SHA256 852f7bc49e7f7d86ef655ec86cce007b1d275ea4457ee8a302cf98dd5418d4c2
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  icsys.icn.exe
                                  • Path C:\Windows\Resources\Themes\icsys.icn.exe
                                  • Size 135KB
                                  • SHA256 2a5b55ee36a37768a7ae9428fe39cf159e7c96aa679e013a0bce445ced45aa51
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  spoolsv.exe
                                  • Path C:\Windows\Resources\spoolsv.exe
                                  • Size 135KB
                                  • SHA256 a42564fd162bff94b6419d8efacb2279c25ba8169067a7971466497a2ddb3593
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  svchost.exe
                                  • Path C:\Windows\Resources\svchost.exe
                                  • Size 135KB
                                  • SHA256 2a34b8d7cbac1f35459b8457fefc86846159a6b30750ce1494c6b1d81befbecd
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  memory/2152-44-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/2152-46-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/2288-23-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/2288-175-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/2484-115-0x000002047BB80000-0x000002047D220000-memory.dmp
                                  Download

                                  memory/3640-48-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5040-0-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5040-49-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5084-47-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5216-176-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download