Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system - submitted
20/04/2024, 23:59
Behavioral task
behavioral1
Sample
ViolinV1.0.exe
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
ViolinV1.0.exe
Resource
win10v2004-20240226-en
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
dirt.pyc
Resource
win7-20231129-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
dirt.pyc
Resource
win10v2004-20240412-en
3 signatures
150 seconds
General
- Target dirt.pyc
- Size 12KB
- Sample240420-3147kade27
- SHA256 22fbb24f3c24396cf4ed4efb11627516fdbc13f6c8f5e7949bf314d624c0a188
- MD5 1e04b7019d4445a6fbad2f9b1f65b0cf
- SHA1 625891d19b89425662f5c2461e362b80e5b1a380
- SHA512 9fa72039350d52118a62312c142c13c1c55893ded77e5adf72474e1da4b276d844f08f5c0d93547ee42ce37c050ca0058287edec426ccd569dd261f90ee75e0a
- SSDEEP 96:05ZwQ1gk5pYJnWuWHr1qbPW7MP2JMmHzJfzJU6W8KV3LB/6leQySy:05ZL1gnZWuKr1qbPz/HrFSy
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2068 2180 cmd.exe 29 PID 2180 wrote to memory of 2068 2180 cmd.exe 29 PID 2180 wrote to memory of 2068 2180 cmd.exe 29
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\dirt.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dirt.pyc2⤵
- Modifies registry class
PID:2068
-