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
139s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-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/ConfusingClassLoader.class
-
Size
1KB
-
MD5
ad9258e3389c525641adf3f3e7e5ad02
-
SHA1
4096f6550c9a8e6620cab198bd67d0b289261955
-
SHA256
9e4892c717bd03a23db26722d6c8440a76422029110d53fb0301eeaffc2f25c2
-
SHA512
b3a1915f95bea868d26b9569206788b1d687d6a1720a0167710367ef5324a8a06520d7132c40b985a474892e4ae144b54b6abfdc222b18025892bcba2729733a
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-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4712 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\gonb1723\ConfusingClassLoader.class1⤵
- Modifies registry class
PID:4832
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4712