Overview
overview
7Static
static
1comet_inst...st.exe
windows10-2004-x64
4comet_inst...st.exe
windows11-21h2-x64
4data/flutt...st.bin
windows10-2004-x64
3data/flutt...st.bin
windows11-21h2-x64
3data/flutt...t.json
windows10-2004-x64
3data/flutt...t.json
windows11-21h2-x64
3data/flutt...t.json
windows10-2004-x64
3data/flutt...t.json
windows11-21h2-x64
3data/flutt...CES.gz
windows10-2004-x64
1data/flutt...CES.gz
windows11-21h2-x64
1data/flutt...t.json
windows10-2004-x64
3data/flutt...t.json
windows11-21h2-x64
3data/flutt...rt.pem
windows10-2004-x64
3data/flutt...rt.pem
windows11-21h2-x64
3data/flutt...ar.ttf
windows10-2004-x64
7data/flutt...ar.ttf
windows11-21h2-x64
3data/flutt...um.ttf
windows10-2004-x64
7data/flutt...um.ttf
windows11-21h2-x64
3data/flutt...ar.ttf
windows10-2004-x64
7data/flutt...ar.ttf
windows11-21h2-x64
3data/flutt...ht.ttf
windows10-2004-x64
7data/flutt...ht.ttf
windows11-21h2-x64
3data/flutt...on.png
windows10-2004-x64
1data/flutt...on.png
windows11-21h2-x64
data/flutt...go.svg
windows10-2004-x64
3data/flutt...go.svg
windows11-21h2-x64
4data/flutt...nd.png
windows10-2004-x64
1data/flutt...nd.png
windows11-21h2-x64
data/flutt...st.png
windows10-2004-x64
1data/flutt...st.png
windows11-21h2-x64
data/flutt...nd.png
windows10-2004-x64
1data/flutt...nd.png
windows11-21h2-x64
Analysis
- max time kernel
149s - max time network
94s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 04:19
Static task
static1
Behavioral task
behavioral1
Sample
comet_installer_latest.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
comet_installer_latest.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
data/flutter_assets/AssetManifest.bin
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
data/flutter_assets/AssetManifest.bin
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
data/flutter_assets/AssetManifest.json
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
data/flutter_assets/AssetManifest.json
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
data/flutter_assets/FontManifest.json
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
data/flutter_assets/FontManifest.json
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
data/flutter_assets/NOTICES.gz
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
data/flutter_assets/NOTICES.gz
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
data/flutter_assets/NativeAssetsManifest.json
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
data/flutter_assets/NativeAssetsManifest.json
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
data/flutter_assets/assets/certs/cacert.pem
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
data/flutter_assets/assets/certs/cacert.pem
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
data/flutter_assets/assets/fonts/FKGrotesk-Regular.ttf
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
data/flutter_assets/assets/fonts/FKGrotesk-Regular.ttf
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
data/flutter_assets/assets/fonts/FKGroteskNeue-Medium.ttf
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
data/flutter_assets/assets/fonts/FKGroteskNeue-Medium.ttf
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
data/flutter_assets/assets/fonts/FKGroteskNeue-Regular.ttf
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
data/flutter_assets/assets/fonts/FKGroteskNeue-Regular.ttf
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
data/flutter_assets/assets/fonts/PPEditorialNew-Ultralight.ttf
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
data/flutter_assets/assets/fonts/PPEditorialNew-Ultralight.ttf
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
data/flutter_assets/assets/images/Comet_Icon.png
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
data/flutter_assets/assets/images/Comet_Icon.png
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
data/flutter_assets/assets/images/Comet_Logo.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
data/flutter_assets/assets/images/Comet_Logo.svg
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
data/flutter_assets/assets/images/Install_Background.png
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
data/flutter_assets/assets/images/Install_Background.png
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
data/flutter_assets/assets/images/Install_First.png
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
data/flutter_assets/assets/images/Install_First.png
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
data/flutter_assets/assets/images/Install_Second.png
Resource
win10v2004-20260130-en
Behavioral task
behavioral32
Sample
data/flutter_assets/assets/images/Install_Second.png
Resource
win11-20260130-en
General
- Target data/flutter_assets/NativeAssetsManifest.json
- Size 45B
- Sample260503-exmlcabv9t
- SHA256 9548a31e4a048135c1d94f919328bfb62ae2c7bb3cab96557c7941daa97776cb
- MD5 f3a664e105b4f792c6c7fe4e4d22c398
- SHA1 adee29ec4f2b3cb2ec37ec3368f37ff805695d36
- SHA512 b7df555970e20c6a50f650cd0df6ab782fba7004782b3f7921ccfd314db53bfb61523986628d2e05d085f4c2263dfcf54000ffdfc946b0158c5766fc6f1d0a86
- MD5 SHA1 SHA512
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Local Settings cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2732 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\NativeAssetsManifest.json1⤵
- Modifies registry class
PID:3408
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2732