Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 02:00

General

  • Target
    2026-07-04_e86de5f3dbe459a7d5e5cf7ad5d22300_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
  • Size 335KB
  • Sample260704-cfccyaev7j
  • SHA256 5339c7a570eaae339fd4dcbe7d25512e6e051cf03d062e565eb667f7d2c1cde7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-04_e86de5f3dbe459a7d5e5cf7ad5d22300_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-04_e86de5f3dbe459a7d5e5cf7ad5d22300_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\microsoftedgeupdatebroker32.exe
      "microsoftedgeupdatebroker32.exe "
      2⤵
      • Executes dropped EXE
      PID:5408
    • C:\Windows\SysWOW64\eventviewer.exe
      "C:\Windows\system32\eventviewer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 1828
        3⤵
        • Program crash
        PID:5860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 1492
      2⤵
      • Program crash
      PID:2988
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2356 -ip 2356
    1⤵
      PID:2000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 228 -p 1468 -ip 1468
      1⤵
        PID:4684
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3836
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:1324
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5532
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5256

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            0BD7EA52E65FB076EBB4C048B48576EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0BD7EA52E65FB076EBB4C048B48576EA
            • Size 66KB
            • SHA256 ae7fe1ed6f4aced416d301ed96cacc367ed5808df197423baec66796c1bd7bbd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
            • Size 808B
            • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
            • MD5 SHA1 SHA512 TLSH

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 4KB
            • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 701B
            • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
            • MD5 SHA1 SHA512 TLSH

            0BD7EA52E65FB076EBB4C048B48576EA

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0BD7EA52E65FB076EBB4C048B48576EA
            • Size 246B
            • SHA256 93a46cc291ea25287091d52b5c0252fe5cc0c8742456bd5ad29abea7130b5fc0
            • MD5 SHA1 SHA512 TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
            • Size 192B
            • SHA256 ceaac0734fa33fd355bf91d8f8955e3cfb9f3a814139f967880fdf96e78dc8be
            • MD5 SHA1 SHA512 TLSH

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 342B
            • SHA256 da7f002a8bf7f61e41089ba9425f09110a22c7b391d2351a00ef67a196640315
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 3d4de39568a805a8f88259ed2e1e6f6b6278b723efe9ddd53194de2d8013be22
            • MD5 SHA1 SHA512 TLSH

            prep_Activatable Class_Hermes_perf.cache

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH

            microsoftedgeupdatebroker32.exe

            • Path C:\Users\Admin\AppData\Local\Temp\microsoftedgeupdatebroker32.exe
            • Size 98KB
            • SHA256 fceaa64f61dbf520dd41711bb6fac16607e52f59731a5063590c1b4c5584587c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            redevlist.dat

            • Path C:\Users\Admin\AppData\Local\Temp\redevlist.dat
            • Size 118KB
            • SHA256 a27d36738f98e3795148720fcd90f578037c5d0ab40857367146317d2e04191b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            eventviewer.exe

            • Path C:\Windows\SysWOW64\eventviewer.exe
            • Size 88KB
            • SHA256 3baf58e8eb6f1dee7da7df83cb38925e69ffe130a02f667380cbee69aea17b15
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/5256-103-0x000001E114690000-0x000001E1146B0000-memory.dmp

            memory/5256-89-0x000001E103C80000-0x000001E103CA0000-memory.dmp

            memory/5256-71-0x000001E113E80000-0x000001E113F80000-memory.dmp

            memory/5256-51-0x000001E1001E0000-0x000001E1002E0000-memory.dmp

            memory/5256-69-0x000001E103A20000-0x000001E103A40000-memory.dmp

            memory/5532-223-0x0000019430220000-0x0000019430654000-memory.dmp