Overview

overview

10

Static

static

3

2026-05-22...yn.exe

windows10-2004-x64

10

2026-05-22...yn.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 03:31

Sharing

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General

  • Target
    2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_elex_icedid_njrat_stealc_swisyn.exe
  • Size 3.8MB
  • Sample260522-d3csnadv3q
  • SHA256 191deeb0e444f84a1f4e79d7589082ac96d27d967e84ebc36b25f2bb92e19c73
  • 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 14 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_elex_icedid_njrat_stealc_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_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:4968
    • \??\c:\users\admin\appdata\local\temp\2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_elex_icedid_njrat_stealc_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_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:3844
      • 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:5572
        • C:\Program Files\WinRAR\RarExtInstaller.exe
          "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
          4⤵
          • Executes dropped EXE
          PID:6128
        • C:\Program Files\WinRAR\WinRAR.exe
          "C:\Program Files\WinRAR\WinRAR.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:2808
          • C:\Program Files\WinRAR\RarExtInstaller.exe
            "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
            5⤵
            • Executes dropped EXE
            PID:4876
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
          4⤵
            PID:2196
          • C:\Windows\system32\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
            4⤵
              PID:3324
            • C:\Program Files\WinRAR\WinRAR.exe
              "C:\Program Files\WinRAR\WinRAR.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              PID:5108
            • C:\Program Files\WinRAR\WinRAR.exe
              "C:\Program Files\WinRAR\WinRAR.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of WriteProcessMemory
              PID:1220
              • C:\Program Files\WinRAR\RarExtInstaller.exe
                "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
                5⤵
                • Executes dropped EXE
                PID:888
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
              4⤵
                PID:908
              • C:\Windows\system32\NOTEPAD.EXE
                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                4⤵
                  PID:1176
                • C:\Program Files\WinRAR\WinRAR.exe
                  "C:\Program Files\WinRAR\WinRAR.exe"
                  4⤵
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious behavior: GetForegroundWindowSpam
                  PID:2176
                • C:\Windows\system32\NOTEPAD.EXE
                  "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                  4⤵
                    PID:4552
                  • C:\Program Files\WinRAR\WinRAR.exe
                    "C:\Program Files\WinRAR\WinRAR.exe"
                    4⤵
                    • Executes dropped EXE
                    • Modifies registry class
                    • Suspicious behavior: GetForegroundWindowSpam
                    PID:2508
                  • C:\Program Files\WinRAR\WinRAR.exe
                    "C:\Program Files\WinRAR\WinRAR.exe"
                    4⤵
                    • Executes dropped EXE
                    • Modifies registry class
                    • Suspicious behavior: GetForegroundWindowSpam
                    PID:4612
                  • C:\Windows\system32\NOTEPAD.EXE
                    "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                    4⤵
                      PID:6028
                    • C:\Program Files\WinRAR\WinRAR.exe
                      "C:\Program Files\WinRAR\WinRAR.exe"
                      4⤵
                      • Executes dropped EXE
                      • Modifies registry class
                      PID:4576
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                      4⤵
                        PID:4800
                      • C:\Windows\system32\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                        4⤵
                          PID:5232
                        • C:\Program Files\WinRAR\WinRAR.exe
                          "C:\Program Files\WinRAR\WinRAR.exe"
                          4⤵
                          • Executes dropped EXE
                          • Modifies registry class
                          • Suspicious behavior: GetForegroundWindowSpam
                          PID:5292
                        • C:\Windows\system32\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                          4⤵
                            PID:5308
                          • C:\Program Files\WinRAR\WinRAR.exe
                            "C:\Program Files\WinRAR\WinRAR.exe"
                            4⤵
                            • Executes dropped EXE
                            • Suspicious behavior: GetForegroundWindowSpam
                            PID:736
                          • C:\Program Files\WinRAR\WinRAR.exe
                            "C:\Program Files\WinRAR\WinRAR.exe"
                            4⤵
                            • Executes dropped EXE
                            • Suspicious behavior: GetForegroundWindowSpam
                            PID:4176
                          • C:\Windows\system32\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                            4⤵
                              PID:4824
                            • C:\Program Files\WinRAR\WinRAR.exe
                              "C:\Program Files\WinRAR\WinRAR.exe"
                              4⤵
                              • Executes dropped EXE
                              • Modifies registry class
                              • Suspicious behavior: GetForegroundWindowSpam
                              PID:2552
                            • C:\Windows\system32\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                              4⤵
                                PID:1992
                              • C:\Program Files\WinRAR\WinRAR.exe
                                "C:\Program Files\WinRAR\WinRAR.exe"
                                4⤵
                                • Executes dropped EXE
                                • Suspicious behavior: GetForegroundWindowSpam
                                PID:2180
                              • C:\Windows\system32\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                                4⤵
                                  PID:6100
                                • C:\Program Files\WinRAR\WinRAR.exe
                                  "C:\Program Files\WinRAR\WinRAR.exe"
                                  4⤵
                                  • Executes dropped EXE
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  PID:5820
                                • C:\Windows\system32\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WinRAR\WhatsNew.txt
                                  4⤵
                                    PID:5876
                              • 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:1588
                                • \??\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:5444
                                  • \??\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:5272
                                    • \??\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:5304
                                      • \??\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:5392
                            • C:\Program Files\WinRAR\RarExtInstaller.exe
                              "C:\Program Files\WinRAR\RarExtInstaller.exe" /install /local
                              1⤵
                              • Executes dropped EXE
                              PID:2640

                            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 bf01d25b570353fb8ed1f405bb0f98601d1bf54650461ad88ca862c08d4cfd74
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Size 727B
                                  • SHA256 130461ea5763f6318af9008a752851ee95c74c60f1fe90f99c40fd5dd63d4e7f
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_D96A4C3B75E862E237A6B89F58F74354
                                  • Size 404B
                                  • SHA256 3ba0e72dee82c97f96a6f10e5de587e46880dfb444f40302d767ef46e57e6701
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
                                  • Size 412B
                                  • SHA256 c09558dc6d81a3f50d84e2407a2f3ece796bced3ca86acf2041d252b109fbf80
                                  • MD5 SHA1 SHA512 TLSH
                                  Submit Download

                                  2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_elex_icedid_njrat_stealc_swisyn.exe 
                                  • Path C:\Users\Admin\AppData\Local\Temp\2026-05-22_59aa24d994cf8398329e1ab82d2a9f5b_elex_icedid_njrat_stealc_swisyn.exe 
                                  • Size 3.6MB
                                  • SHA256 fffa3ffd04dba3f1a7a9ad864a5f24910b91b647a0b2a024d778fde853402dcf
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  version.dat
                                  • Path C:\Users\Admin\AppData\Roaming\WinRAR\version.dat
                                  • Size 12B
                                  • SHA256 f12ffc8f0001f1f2f8bda3155fba3c7fe543062053e59ccacc6f19e614213448
                                  • MD5 SHA1 SHA512
                                  Submit Download

                                  icsys.icn.exe
                                  • Path C:\Windows\Resources\Themes\icsys.icn.exe
                                  • Size 135KB
                                  • SHA256 bc63020a53d3863c9579db70d840ba896f1c19859e031b2e0d0aec8e9bd52142
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  svchost.exe
                                  • Path C:\Windows\Resources\svchost.exe
                                  • Size 135KB
                                  • SHA256 5082d32cb38f753cdf461294c17ab7de8327745e5defddb0b68187a75bc5c714
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  spoolsv.exe
                                  • Path \??\c:\windows\resources\spoolsv.exe
                                  • Size 135KB
                                  • SHA256 22f618f2caf19525af40d7831d6e15f6903df8a83e0bac896a32da210d2f633f
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  explorer.exe
                                  • Path \??\c:\windows\resources\themes\explorer.exe
                                  • Size 135KB
                                  • SHA256 5861c4d66b9988aceffd494d89a213af56dfd1d9e8f00b91625a3eed74121e88
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  memory/1588-47-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/4968-48-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/4968-0-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5272-46-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5272-31-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5304-174-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5392-45-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download

                                  memory/5444-173-0x0000000000400000-0x000000000041F000-memory.dmp
                                  Download