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
131s - 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/assets/certs/cacert.pem
- Size 222KB
- Sample260503-exmlcabv9t
- SHA256 64dfd5b1026700e0a0a324964749da9adc69ae5e51e899bf16ff47d6fd0e9a5e
- MD5 f586a2260272a64e67aef3526353dcd4
- SHA1 b4d7062cd418a22d31b8fd7a5ee1dc984750c51a
- SHA512 f9d72ca604f238f86d3b0233b4bd20cd728529f74eb190ad7a37f942b00b014a717fa771c848233365938ca090e7e855ac2c3abdd4a25e18ce16b99b65ef56c3
- SSDEEP 3072:yHetHRqCCZjlkKSNY5h61W2BzEY2S1S4dmGf3IcCJjEWh3c+dogltO/ZyOTi1Pjx:OqU9NgI6FdZL52dTOgwQh1hV1AP2u2Ft
- TLSH T1C124AEEACF953C4A28E3E094C9AB037ED919C3629DDAB0B31D593805D78972D61FD08D
- MD5 SHA1 SHA512 SSDEEP TLSH
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-1-5-21-3119821332-640943685-2562343641-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1344 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\assets\certs\cacert.pem1⤵
- Modifies registry class
PID:8
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1344