Overview

overview

10

Static

static

3

2026-05-07...ar.exe

windows10-2004-x64

10

2026-05-07...ar.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    07/05/2026, 13:09

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General

  • Target
    2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe
  • Size 3.6MB
  • Sample260507-qdyeaaev3x
  • SHA256 3f439cd4a0f987e6e3799c90677b68cc40c378a91360a242f0ff40d95cb463db
  • 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 8 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.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:5000
    • \??\c:\users\admin\appdata\local\temp\2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe 
      c:\users\admin\appdata\local\temp\2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe 
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:784
      • 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:3284
        • C:\Program Files\WinRAR\RarExtInstaller.exe
          "C:\Program Files\WinRAR\RarExtInstaller.exe" -install
          4⤵
          • Executes dropped EXE
          PID:1548
    • 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:3404
      • \??\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:2652
        • \??\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:2364
          • \??\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:6140
            • \??\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:5108

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.txt
        • Path C:\Program Files\WinRAR\Rar.txt
        • Size 109KB
        • SHA256 27b85e1a4ff7df5235d05b41f9d60d054516b16779803d8649a86a1e815b105b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RarExtInstaller.exe
        • Path C:\Program Files\WinRAR\RarExtInstaller.exe
        • Size 180KB
        • SHA256 2d000848b49ea5e6131d1ca61e07287a70edf353e0040eb06fb5d938d2038c56
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RarExtPackage.msix
        • Path C:\Program Files\WinRAR\RarExtPackage.msix
        • Size 22KB
        • SHA256 586da1525a78ed4d0a9052131b07398d67d19106ebad9a7e93ad23636f78913d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Uninstall.exe
        • Path C:\Program Files\WinRAR\Uninstall.exe
        • Size 437KB
        • SHA256 f7070f4bb071cd497bf3067291657a9a23aab1ca9d0ab3f94721ef13139ce11b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WhatsNew.txt
        • Path C:\Program Files\WinRAR\WhatsNew.txt
        • Size 103KB
        • SHA256 f723976575d08f1001b564532b0a849888135059e7c9343c453eead387d7ae4c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRAR.chm
        • Path C:\Program Files\WinRAR\WinRAR.chm
        • Size 317KB
        • SHA256 326d091a39ced3317d9665ed647686462203b42f23b787a3ed4b4ad3e028cc1e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRAR.exe
        • Path C:\Program Files\WinRAR\WinRAR.exe
        • Size 2.5MB
        • SHA256 0244b889e1928a51b8552ab394f28b6419c00542a1bbc2366e661526790ec0a7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-07_6c3a95d6ff6796da30c154e2ed412c0d_cobalt-strike_cryptbot_elex_hijackloader_icedid_njrat_swisyn_vidar.exe 
        • Size 3.4MB
        • SHA256 e5e9f54a55ad4b936adaed4cca5b4d29bd6f308f1a0136a7e3c0f5fb234e7fff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 a42f1caec5938a0cd60c464b4a46bf6a2360b0bc3e88be7aa4b7d2680064a547
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 fde06ea82c8cef064bddc8a14617c23e563114ac8062f7214e6d959523ccdaf4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 a43a8f663d3e8d1c4a2045fc917569b12a8c2d144bf180de95b1329a02f00645
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 ed7985b20a0c478d6cf27aa1b25c03796e837e69124ab63dcdc674047967e535
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/784-118-0x0000020B27EB0000-0x0000020B27EB9000-memory.dmp
        Download

        memory/1548-163-0x000001CE59CE0000-0x000001CE59CEC000-memory.dmp
        Download

        memory/1548-164-0x000001CE59CF0000-0x000001CE59D02000-memory.dmp
        Download

        memory/1548-165-0x000001CE59D20000-0x000001CE59D29000-memory.dmp
        Download

        memory/2364-47-0x0000000000980000-0x0000000000A92000-memory.dmp
        Download

        memory/2364-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2652-119-0x0000000000850000-0x0000000000962000-memory.dmp
        Download

        memory/2652-21-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2652-187-0x0000000000850000-0x0000000000962000-memory.dmp
        Download

        memory/2652-179-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3404-50-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3404-49-0x0000000000870000-0x0000000000982000-memory.dmp
        Download

        memory/5000-51-0x0000000000990000-0x0000000000AA2000-memory.dmp
        Download

        memory/5000-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5000-52-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5108-45-0x0000000000A00000-0x0000000000B12000-memory.dmp
        Download

        memory/5108-46-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/6140-120-0x0000000000C80000-0x0000000000D92000-memory.dmp
        Download

        memory/6140-181-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/6140-188-0x0000000000C80000-0x0000000000D92000-memory.dmp
        Download