Analysis
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max time kernel
126s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
06/08/2023, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
Nether Client.zip
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Nether Client.zip
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
Nether Client/Nether Client.jar
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
Nether Client/Nether Client.jar
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
Nether Client/Nether Client.json
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
Nether Client/Nether Client.json
Resource
win10v2004-20230703-en
General
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Target
Nether Client/Nether Client.json
-
Size
5KB
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MD5
3037dfd7d1dcbca350d46b4b40a81c25
-
SHA1
7895b161f6393217d639926a7789ffab67262ba4
-
SHA256
5998804f0b676b634ce3a5d8b3d4d17a72180ad5e267f1cce343b54d0352e7a6
-
SHA512
576ac64dbf90604abb090868579efd3d9222753239cb1a2480d9883358e259e25ef8c17c0871676cc912c9006e84f86c0109d46178611d178e8ddcd90b2050fa
-
SSDEEP
48:E/82E63w4Q4l0jHEucrQKW3kdtH3NMrd3rCrYzzWntW6WSzRzcOrJzYslF5BL:E0oS4GHVIfWC9gzz4TfzRz1zDlFLL
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-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4888 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Nether Client\Nether Client.json"1⤵
- Modifies registry class
PID:1540
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4888