Analysis
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max time kernel
146s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
11-08-2021 16:30
Static task
static1
Behavioral task
behavioral1
Sample
W001.js
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
W001.js
Resource
win10v20210408
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 7 632 wscript.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\W001.js wscript.exe File created 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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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 2 IoCs
Processes:
wscript.exedescription pid process target process PID 632 wrote to memory of 2756 632 wscript.exe schtasks.exe PID 632 wrote to memory of 2756 632 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/2756-114-0x0000000000000000-mapping.dmp