Analysis
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max time kernel
140s -
max time network
141s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
16-12-2021 08:20
Static task
static1
Behavioral task
behavioral1
Sample
Scanned_copy.js
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
Scanned_copy.js
Resource
win10-en-20211208
General
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Target
Scanned_copy.js
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Size
3KB
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MD5
069760354f3e37200a7112a84aaa3f3b
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SHA1
7b55b0e82f004e922f2e886e800e9379c9e09250
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SHA256
df29cf83fe008627f1475b86bf67530eab0680bc18995786f51719136d079926
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SHA512
e77bc7cd7fbc38da4b9c59bcc1336c9a2e46e040606c8e6db12649cc6e29907ddbd6aa76005e760074ee3b04b6df9b3ac23d33927b41f134a2922ddf759a6d99
Malware Config
Extracted
vjw0rm
http://2ndversionjs.duckdns.org:9100
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 15 4104 wscript.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scanned_copy.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scanned_copy.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\SBFT6OCUB2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Scanned_copy.js\"" wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 4104 wrote to memory of 3128 4104 wscript.exe schtasks.exe PID 4104 wrote to memory of 3128 4104 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Scanned_copy.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\Scanned_copy.js2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3128-118-0x0000000000000000-mapping.dmp