Analysis

  • max time kernel
    149s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 09:26

General

  • Target
    ccsetup_online_setup.exe
  • Size 1.7MB
  • Sample261024-leb58aay9l
  • SHA256 6118c3bbeda7440118e2aa6f519b1ee778d8b649af11f1e246f6e695a699a1fe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 4 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

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

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

  • Checks processor information in registry 2 TTPs 7 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccsetup_online_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\ccsetup_online_setup.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Direct Volume Access: Opens a physical disk for reading
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus.exe
      C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus.exe /icarus-info-path:C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\icarus-info.xml /install /sssid:2056
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Executes dropped EXE
      • Direct Volume Access: Opens a physical disk for reading
      • Reads the TCP/IP host and domain name from the registry
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus_ui.exe
        C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus_ui.exe /sssid:2056 /er_master:master_ep_f743260f-1d59-40a4-8564-87f9d4aa221a /er_ui:ui_ep_d97d86b4-77eb-4ac5-bc7e-6f4936880e04
        3⤵
        • Executes dropped EXE
        • Direct Volume Access: Opens a physical disk for reading
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:5444
      • C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\piriform-ccl\icarus.exe
        C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\piriform-ccl\icarus.exe /sssid:2056 /er_master:master_ep_f743260f-1d59-40a4-8564-87f9d4aa221a /er_ui:ui_ep_d97d86b4-77eb-4ac5-bc7e-6f4936880e04 /er_slave:piriform-ccl_slave_ep_dcede0ad-7ce2-4933-a053-5ccc31c1c299 /slave:piriform-ccl
        3⤵
        • Writes to the Master Boot Record (MBR)
        • Executes dropped EXE
        • Loads dropped DLL
        • Direct Volume Access: Opens a physical disk for reading
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:1344

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        icarus.log

        • Path C:\ProgramData\Piriform\Icarus\Logs\icarus.log
        • Size 53KB
        • SHA256 e05fa114a14858640a5753dce6624943d05be898b3f36f84b30bc96f6ce3ba40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        reporting.log

        • Path C:\ProgramData\Piriform\Icarus\Logs\reporting.log
        • Size 2KB
        • SHA256 9f5878a2cc350931a90f9650323e05e67ac1f7a47d23949e1de2d02e4202e048
        • MD5 SHA1 SHA512 TLSH

        sfx.log

        • Path C:\ProgramData\Piriform\Icarus\Logs\sfx.log
        • Size 7KB
        • SHA256 8579aa14c11628952380bc3cd7b8ea8c608d49d36e34a673b57e8f09f6a606cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sfx.log

        • Path C:\ProgramData\Piriform\Icarus\Logs\sfx.log
        • Size 11KB
        • SHA256 706adc5633bd3b6b3a5d04b689295d164956354bf3e3cf9989489fb0042de510
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sui.log

        • Path C:\ProgramData\Piriform\Icarus\Logs\sui.log
        • Size 10KB
        • SHA256 3ac709307fba9cd121300ca80b2e5d67c9085a5a1981a63b655e7cc0cfa859a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        temporary_proxy.ini

        • Path C:\ProgramData\Piriform\Icarus\settings\temporary_proxy.ini
        • Size 278B
        • SHA256 8e511706c04e382e58153c274138e99a298e87e29e12548d39b7f3d3442878b9
        • MD5 SHA1 SHA512 TLSH

        bug_report.exe

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\bug_report.exe
        • Size 6.0MB
        • SHA256 889f3632288997895a2faa2da18201564c3fa8b812c7087868e68ab09d920b5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dump_process.exe

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\dump_process.exe
        • Size 3.8MB
        • SHA256 db86ebb3202f4e17bc890daec25cdc85ae3cfb378460f60bd5f9195d7b586663
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icarus.exe

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus.exe
        • Size 8.8MB
        • SHA256 094ae716bca95e01163dbd03b5f2877a646407a9c54c2e837a846e02174125e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icarus_ui.exe

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\icarus_ui.exe
        • Size 12.2MB
        • SHA256 09563e042918eb1c15647bb0ce66e952ade793781c054913d29c99fb61850334
        • MD5 SHA1 SHA512 SSDEEP TLSH

        product-def.xml

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\product-def.xml
        • Size 484KB
        • SHA256 a6095daa43bdbbb102bd9f906cf90a29773bd0dc77fb9077601e37b2df16fd2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        product-info.xml

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\product-info.xml
        • Size 7KB
        • SHA256 c6c05d4f0be02556ad1d19ebe91c420dc6fd56b859ba9580110e9b9ded1e98bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setupui.cont

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\common\setupui.cont
        • Size 191KB
        • SHA256 4d6acde9a68b34b03e636794f3878c1186ad3637c084a850de90ea23acf026bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ecoo.edat

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\ecoo.edat
        • Size 21B
        • SHA256 5e646d705d76f1c5bf50c7ffc83f778c1a95479f2ed17678273a97f3ebedef32
        • MD5 SHA1 SHA512

        icarus-info.xml

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\icarus-info.xml
        • Size 1KB
        • SHA256 ef7e25ee1e25b34706037afb0b3eec14e7468b333d65ae4c3eee15d84153e8a0
        • MD5 SHA1 SHA512 TLSH

        icarus_product.dll

        • Path C:\Windows\Temp\asw-219df8a8-364c-4300-bc56-61b08d7651ab\piriform-ccl\icarus_product.dll
        • Size 843KB
        • SHA256 cacace6d2783540ddfae6c01cb14a9542750e88d0d6ecd2303b9d25b690e6b6c
        • MD5 SHA1 SHA512 SSDEEP TLSH