Overview
overview
10Static
static
10ChaosRanso...in.zip
windows7-x64
1ChaosRanso...in.zip
windows10-2004-x64
1ChaosRanso...ICENSE
windows7-x64
1ChaosRanso...ICENSE
windows10-2004-x64
1ChaosRanso...DME.md
windows7-x64
3ChaosRanso...DME.md
windows10-2004-x64
3ChaosRanso...csproj
windows7-x64
3ChaosRanso...csproj
windows10-2004-x64
3ChaosRanso...v4.ico
windows7-x64
1ChaosRanso...v4.ico
windows10-2004-x64
3ChaosRanso...v4.sln
windows7-x64
3ChaosRanso...v4.sln
windows10-2004-x64
3ChaosRanso...ner.cs
windows7-x64
3ChaosRanso...ner.cs
windows10-2004-x64
3ChaosRanso...orm.cs
windows7-x64
3ChaosRanso...orm.cs
windows10-2004-x64
3ChaosRanso...ources
windows7-x64
3ChaosRanso...ources
windows10-2004-x64
3ChaosRanso...nX.vbs
windows7-x64
1ChaosRanso...nX.vbs
windows10-2004-x64
1ChaosRanso...nZ.vbs
windows7-x64
1ChaosRanso...nZ.vbs
windows10-2004-x64
1ChaosRanso...ler.cs
windows7-x64
3ChaosRanso...ler.cs
windows10-2004-x64
3ChaosRanso...ner.cs
windows7-x64
3ChaosRanso...ner.cs
windows10-2004-x64
3ChaosRanso...rm2.cs
windows7-x64
3ChaosRanso...rm2.cs
windows10-2004-x64
3ChaosRanso...ources
windows7-x64
3ChaosRanso...ources
windows10-2004-x64
3ChaosRanso...on.vbs
windows7-x64
1ChaosRanso...on.vbs
windows10-2004-x64
1Analysis
-
max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 23:22
Behavioral task
behavioral1
Sample
ChaosRansomwareBuilderVersion4-main.zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ChaosRansomwareBuilderVersion4-main.zip
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
ChaosRansomwareBuilderVersion4-main/LICENSE
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
ChaosRansomwareBuilderVersion4-main/LICENSE
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
ChaosRansomwareBuilderVersion4-main/README.md
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
ChaosRansomwareBuilderVersion4-main/README.md
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.csproj
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.csproj
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.ico
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.ico
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.sln
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.sln
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.Designer.cs
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.Designer.cs
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.cs
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.cs
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.resources
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/BlackForm.resources
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/ButtonX.vbs
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/ButtonX.vbs
Resource
win10v2004-20240910-en
Behavioral task
behavioral21
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/ButtonZ.vbs
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/ButtonZ.vbs
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Compiler.cs
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Compiler.cs
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.Designer.cs
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.Designer.cs
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.cs
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.cs
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.resources
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.resources
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/MinMaxButton.vbs
Resource
win7-20240704-en
Behavioral task
behavioral32
Sample
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/MinMaxButton.vbs
Resource
win10v2004-20240802-en
General
-
Target
ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.cs
-
Size
1KB
-
MD5
83f83090d9da32bae077e54423724a63
-
SHA1
478834da764f3aa651ad4d060716661f9e6bf772
-
SHA256
a836e2779d7357944dabf62196f7b6e5b34ebb1c4f604cf011f261fda686cdbb
-
SHA512
e2f94aba920508cd24ddb0866f70b8db955a9b175b58d9934016a85a80ea86cf1ede36f54aa54b4c801cdf47b2d50fafc74de9c6006de2f7cddca3c63d8d4105
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-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4696 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderVersion4-main\Src Code\CustomWindowsForm\Form2.cs"1⤵
- Modifies registry class
PID:2368
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4696