Analysis
- max time kernel
151s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
26/10/2026, 14:11
General
- Target Fauna-Setup-1.3.6.exe
- Size 69.7MB
- Sample261026-rhl3gset7t
- SHA256 3d18b5d1d234322a640455835bd031525551dce93509b891ff4e27df8b9b3291
Malware Config
Signatures
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 9 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Queries registry keys for unique system GUIDs 1 TTPs 1 IoCs
Queries the MachineGuid or HwProfileGuid value from the command line, commonly used to create a unique victim ID.
- Queries system WMI classes for hardware identifiers 2 TTPs 1 IoCs
Uses WMI to read hardware serial numbers or the system UUID, commonly used to fingerprint the victim machine.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies trusted root certificate store through registry 1 TTPs 2 IoCs
A root certificate was added, modified, or removed in the trusted certificate store registry paths.
- 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.
- Modifies registry key 1 TTPs 2 IoCs
- Modifies system certificate store 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 43 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Fauna-Setup-1.3.6.exe"C:\Users\Admin\AppData\Local\Temp\Fauna-Setup-1.3.6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg query HKLM\SOFTWARE\Microsoft\Cryptography /v MachineGuid3⤵
- Queries registry keys for unique system GUIDs
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C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe" --type=gpu-process --field-trial-handle=1488,13698997901281500540,8734634821731264445,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --mojo-platform-channel-handle=1496 /prefetch:23⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1488,13698997901281500540,8734634821731264445,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2080 /prefetch:83⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies trusted root certificate store through registry
- Reads the TCP/IP host and domain name from the registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe" --type=renderer --disable-background-timer-throttling --field-trial-handle=1488,13698997901281500540,8734634821731264445,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --lang=en-US --app-path="C:\Users\Admin\AppData\Local\Programs\Fauna\resources\app" --enable-plugins --webview-tag --enable-sandbox --native-window-open --preload="C:\Users\Admin\AppData\Local\Programs\Fauna\resources\app\preload.js" --context-isolation --background-color=#0f1012 --enable-spellcheck --enable-websql --disable-electron-site-instance-overrides --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2424 /prefetch:13⤵
- Executes dropped EXE
- Loads dropped DLL
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -NonInteractive -Command "(Get-CimInstance Win32_ComputerSystemProduct).UUID; '--'; Get-CimInstance Win32_DiskDrive | ForEach-Object { $_.SerialNumber }"3⤵
- Queries system WMI classes for hardware identifiers
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\reg.exereg query HKCU\Software\Burrow /v Install3⤵
- Modifies registry key
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C:\Windows\system32\reg.exereg add HKCU\Software\Burrow /v Install /t REG_SZ /d bedaed8282162008c61f10dfc88ef7876e77f8be7b3633545959b49bf6a03129 /f3⤵
- Modifies registry key
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C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe"C:\Users\Admin\AppData\Local\Programs\Fauna\Fauna.exe" --type=gpu-process --field-trial-handle=1488,13698997901281500540,8734634821731264445,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --gpu-preferences=MAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAIAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --mojo-platform-channel-handle=2748 /prefetch:23⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
D3DCompiler_47.dll
chrome_100_percent.pak
chrome_200_percent.pak
ffmpeg.dll
ffmpeg.dll
icudtl.dat
en-US.pak
resources.pak
ban-icon.png
boot.js
build.json
device.js
discord.js
hollowthorn.png
CCDigitalDelivery-Bold.otf
CCDigitalDelivery-Regular.otf
icon.png
index.html
main.js
package.json
preload.js
relay.js
updater.js
pepflashplayer.dll
libegl.dll
libglesv2.dll
v8_context_snapshot.bin
__PSScriptPolicyTest_2hx3kzst.c1h.psm1
System.dll
modern-wizard.bmp
nsDialogs.dll
data_0
data_2
data_3
the-real-index
CURRENT
cde4e195-d29f-428d-9a33-1698c9ab8bbd.tmp
default.exc
memory/1860-185-0x00007FFD9D270000-0x00007FFD9D271000-memory.dmp
memory/1860-184-0x00007FFD9D530000-0x00007FFD9D531000-memory.dmp
memory/2452-152-0x00007FFD9D430000-0x00007FFD9D431000-memory.dmp
memory/2464-225-0x000001646A4A0000-0x000001646A552000-memory.dmp
memory/2464-224-0x000001646A220000-0x000001646A23E000-memory.dmp
memory/2464-226-0x000001646A210000-0x000001646A21A000-memory.dmp
memory/2464-227-0x000001646A6B0000-0x000001646A6DA000-memory.dmp
memory/2464-228-0x000001646A6B0000-0x000001646A6D4000-memory.dmp
memory/2464-199-0x000001646A0D0000-0x000001646A0F2000-memory.dmp