Overview
overview
7Static
static
3steam_ssfner.zip
windows7-x64
1steam_ssfner.zip
windows10-2004-x64
1data/app.so
ubuntu-18.04-amd64
1data/flutt...t.json
windows7-x64
3data/flutt...t.json
windows10-2004-x64
3data/flutt...t.json
windows7-x64
3data/flutt...t.json
windows10-2004-x64
3data/flutt...CES.gz
windows7-x64
3data/flutt...CES.gz
windows10-2004-x64
7NOTICES.z
windows7-x64
3NOTICES.z
windows10-2004-x64
3data/flutt...ar.otf
windows7-x64
3data/flutt...ar.otf
windows10-2004-x64
7data/flutt...ns.ttf
windows7-x64
3data/flutt...ns.ttf
windows10-2004-x64
7data/flutt...co.ttf
windows7-x64
3data/flutt...co.ttf
windows10-2004-x64
7data/flutt...ve.ttf
windows7-x64
3data/flutt...ve.ttf
windows10-2004-x64
7data/flutt...po.ttf
windows7-x64
3data/flutt...po.ttf
windows10-2004-x64
7data/flutt...me.ttf
windows7-x64
3data/flutt...me.ttf
windows10-2004-x64
7data/flutt...e5.ttf
windows7-x64
3data/flutt...e5.ttf
windows10-2004-x64
7data/flutt...co.ttf
windows7-x64
3data/flutt...co.ttf
windows10-2004-x64
7data/flutt...ic.ttf
windows7-x64
3data/flutt...ic.ttf
windows10-2004-x64
7data/flutt...ee.ttf
windows7-x64
3data/flutt...ee.ttf
windows10-2004-x64
7data/flutt...ns.ttf
windows7-x64
3Analysis
- max time kernel
92s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
10/05/2024, 09:02
Static task
static1
Behavioral task
behavioral1
Sample
steam_ssfner.zip
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
steam_ssfner.zip
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
data/app.so
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral4
Sample
data/flutter_assets/AssetManifest.json
Resource
win7-20240508-en
Behavioral task
behavioral5
Sample
data/flutter_assets/AssetManifest.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
data/flutter_assets/FontManifest.json
Resource
win7-20240221-en
Behavioral task
behavioral7
Sample
data/flutter_assets/FontManifest.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral8
Sample
data/flutter_assets/NOTICES.gz
Resource
win7-20240215-en
Behavioral task
behavioral9
Sample
data/flutter_assets/NOTICES.gz
Resource
win10v2004-20240226-en
Behavioral task
behavioral10
Sample
NOTICES.z
Resource
win7-20240508-en
Behavioral task
behavioral11
Sample
NOTICES.z
Resource
win10v2004-20240508-en
Behavioral task
behavioral12
Sample
data/flutter_assets/fonts/MaterialIcons-Regular.otf
Resource
win7-20231129-en
Behavioral task
behavioral13
Sample
data/flutter_assets/fonts/MaterialIcons-Regular.otf
Resource
win10v2004-20240426-en
Behavioral task
behavioral14
Sample
data/flutter_assets/packages/cupertino_icons/assets/CupertinoIcons.ttf
Resource
win7-20240220-en
Behavioral task
behavioral15
Sample
data/flutter_assets/packages/cupertino_icons/assets/CupertinoIcons.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral16
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Brandico.ttf
Resource
win7-20240419-en
Behavioral task
behavioral17
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Brandico.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral18
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Elusive.ttf
Resource
win7-20240221-en
Behavioral task
behavioral19
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Elusive.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral20
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Entypo.ttf
Resource
win7-20240221-en
Behavioral task
behavioral21
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Entypo.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral22
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/FontAwesome.ttf
Resource
win7-20240221-en
Behavioral task
behavioral23
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/FontAwesome.ttf
Resource
win10v2004-20240426-en
Behavioral task
behavioral24
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/FontAwesome5.ttf
Resource
win7-20231129-en
Behavioral task
behavioral25
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/FontAwesome5.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral26
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Fontelico.ttf
Resource
win7-20240508-en
Behavioral task
behavioral27
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Fontelico.ttf
Resource
win10v2004-20240426-en
Behavioral task
behavioral28
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Iconic.ttf
Resource
win7-20240508-en
Behavioral task
behavioral29
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Iconic.ttf
Resource
win10v2004-20240508-en
Behavioral task
behavioral30
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/LineariconsFree.ttf
Resource
win7-20240220-en
Behavioral task
behavioral31
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/LineariconsFree.ttf
Resource
win10v2004-20240226-en
Behavioral task
behavioral32
Sample
data/flutter_assets/packages/fluttericon/lib/fonts/Linecons.ttf
Resource
win7-20240221-en
General
- Target data/flutter_assets/AssetManifest.json
- Size 1KB
- Sample240510-kzzataea4y
- SHA256 c6177078657ed844c7833614ad5d9a2be67460582e436bab18a6cf81f8e892d2
- MD5 352d6a37f9656412c52d8cea3037b679
- SHA1 e69fda13642dfbaff6e39704e693b2a619794bfd
- SHA512 6d27c0d00d0eb28128f7a7358cf1413e6255c8e246a2fab9cd3e1b2989ff92b3f8464a36468a3c73fb683d7a3f7776b5d48d266e15989ccb525db8367dcd953a
- 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-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3060 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\AssetManifest.json1⤵
- Modifies registry class
PID:3144
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3060