Analysis
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max time kernel
149s -
max time network
173s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-08-2021 16:30
Static task
static1
Behavioral task
behavioral1
Sample
W001.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
W001.js
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
W001.js
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Size
11KB
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MD5
526b73ec2f62a607bc9bac7c3da6ce33
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SHA1
dd80c19d4d602294ad2191dd44fb818f501157ed
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SHA256
75b0226eeb4fe55f6dbd96a3b74f60b8c22a3fbba82641bf694df05c3b49f31b
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SHA512
126263bd32ded7472ca16290759de63869bc2f31e0c94234336acd733226851495ac3c498c9e24ad89a793e27fb2b96fb7e67db114828ffe9730171f7e31dccf
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 916 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\W001.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\W001.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\O3FNWNFPWY = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\W001.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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 916 wrote to memory of 908 916 wscript.exe schtasks.exe PID 916 wrote to memory of 908 916 wscript.exe schtasks.exe PID 916 wrote to memory of 908 916 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\W001.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\W001.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/908-60-0x0000000000000000-mapping.dmp