Overview
overview
3Static
static
gonb1723/C....class
windows7-x64
3gonb1723/C....class
windows10-2004-x64
3gonb1723/C....class
windows7-x64
3gonb1723/C....class
windows10-2004-x64
3gonb1723/G....class
windows7-x64
3gonb1723/G....class
windows10-2004-x64
3gonb1723/P....class
windows7-x64
3gonb1723/P....class
windows10-2004-x64
3gonb1723/P....class
windows7-x64
3gonb1723/P....class
windows10-2004-x64
3Analysis
-
max time kernel
105s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 15:04
Static task
static1
Behavioral task
behavioral1
Sample
gonb1723/Confuser.class
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
gonb1723/Confuser.class
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
gonb1723/ConfusingClassLoader.class
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
gonb1723/ConfusingClassLoader.class
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
gonb1723/Gondattack.class
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
gonb1723/Gondattack.class
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
gonb1723/PayloadX$StreamConnector.class
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
gonb1723/PayloadX$StreamConnector.class
Resource
win10v2004-20220901-en
Behavioral task
behavioral9
Sample
gonb1723/PayloadX.class
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
gonb1723/PayloadX.class
Resource
win10v2004-20220812-en
General
-
Target
gonb1723/PayloadX$StreamConnector.class
-
Size
1KB
-
MD5
d9ff997c928010f79acab779d358ac35
-
SHA1
8d5bdcd4ce73f31ff250fcd0bfbf6ff311d7c28d
-
SHA256
59055cc65d8266391a51be47f2a8ddeabeb9a030e8fe870dae1b5b9858bfbba2
-
SHA512
9babb54a11998352c955463fabbfdc08ffc2549359f1d06a13fdf74f0ee99f01284ac79c7bfcf9c4b888ad79c446616ef22311779dec861c23b5cdf33288b616
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3800 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\gonb1723\PayloadX$StreamConnector.class1⤵
- Modifies registry class
PID:1580
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3800