Overview

overview

9

Static

static

3

2026-06-26...ar.exe

windows10-2004-x64

9

2026-06-26...ar.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 10:58

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General

  • Target
    2026-06-26_f83363744ed74c747388a2a905d3e280_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar.exe
  • Size 7.7MB
  • Sample260629-m2wc2sdv2m
  • SHA256 bb1cb60ff6eeb6009668354fe7af609a5495d1aa8998582f8e819dedce833930
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwarediscoverypersistenceransomwarespywareupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 9 IoCs
  • 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.

    persistence
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Program Files\Common Files\444.exe
      "C:\Program Files\Common Files\444.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4888
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3568
  • C:\Users\Admin\AppData\Local\Temp\2026-06-26_f83363744ed74c747388a2a905d3e280_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_f83363744ed74c747388a2a905d3e280_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\uesr\dingtalk_downloader.exe
      "C:\uesr\dingtalk_downloader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\System32\explorer.exe" /select, "C:\Users\Admin\AppData\Local\Temp\8.3.35-Release.260623001.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3104
      • C:\Users\Admin\AppData\Local\Temp\8.3.35-Release.260623001.exe
        "C:\Users\Admin\AppData\Local\Temp\8.3.35-Release.260623001.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4960
    • C:\uesr\nvsmartmaxapp64.exe
      "C:\uesr\nvsmartmaxapp64.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1596
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2032
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1496
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2492
      • 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:1732
    • 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:4368
    • 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:4232

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          NvSmartMax64.bin
          • Path C:\uesr\NvSmartMax64.bin
          • Size 291KB
          • SHA256 5285fea2296d848992025565dbab08cd45cac7ae62102428ee60fca47e7f00d5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          NvSmartMax64.dll
          • Path C:\uesr\NvSmartMax64.dll
          • Size 5.2MB
          • SHA256 f535731ad0dd84d1fe7f36638aaa5b285da1caea2ff040b9357cf2aecf3457c1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          dingtalk_downloader.exe
          • Path C:\uesr\dingtalk_downloader.exe
          • Size 2.7MB
          • SHA256 91e6278f9b1756baf0fe3a4f7f6a1897ed1c1811de51ae3934e0360327eeb9ea
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          nvsmartmaxapp64.exe
          • Path C:\uesr\nvsmartmaxapp64.exe
          • Size 214KB
          • SHA256 faf8cee3884be9b2fc007df63cc5b9abaa3490eeb1d014e0bcf8a5a78332ad84
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1596-45-0x0000000180000000-0x0000000180534000-memory.dmp
          Download

          memory/1596-37-0x00000000033B0000-0x00000000033FB000-memory.dmp
          Download

          memory/1596-41-0x00007FF85B1C0000-0x00007FF85B423000-memory.dmp
          Download

          memory/1596-42-0x0000000180000000-0x0000000180534000-memory.dmp
          Download

          memory/1596-43-0x00007FF7BD870000-0x00007FF7BD8A7000-memory.dmp
          Download

          memory/1656-55-0x0000029710F20000-0x0000029710F21000-memory.dmp
          Download

          memory/1656-57-0x0000000180000000-0x000000018004B000-memory.dmp
          Download

          memory/1656-54-0x0000029710F80000-0x0000029710F81000-memory.dmp
          Download

          memory/2016-72-0x0000000001790000-0x0000000001791000-memory.dmp
          Download

          memory/2016-85-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-32-0x0000000001790000-0x0000000001791000-memory.dmp
          Download

          memory/2016-23-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-112-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-70-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-102-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-80-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-81-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/2016-82-0x00000000005E0000-0x0000000000D68000-memory.dmp
          Download

          memory/3568-61-0x00000213DFD60000-0x00000213DFD61000-memory.dmp
          Download

          memory/3568-67-0x00007FF85B1C0000-0x00007FF85B423000-memory.dmp
          Download

          memory/4368-130-0x00000147801E0000-0x00000147802E0000-memory.dmp
          Download

          memory/4368-178-0x0000014794290000-0x00000147942B0000-memory.dmp
          Download

          memory/4368-155-0x0000014783E00000-0x0000014783E20000-memory.dmp
          Download

          memory/4368-148-0x0000014783E60000-0x0000014783F60000-memory.dmp
          Download

          memory/4368-146-0x0000014783920000-0x0000014783940000-memory.dmp
          Download

          memory/4888-48-0x0000000180000000-0x0000000180534000-memory.dmp
          Download

          memory/4888-69-0x0000000180000000-0x0000000180534000-memory.dmp
          Download

          memory/4888-49-0x00000000021F0000-0x000000000223B000-memory.dmp
          Download

          memory/4888-53-0x00007FF85B1C0000-0x00007FF85B423000-memory.dmp
          Download