Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
05-04-2021 15:18
Static task
static1
Behavioral task
behavioral1
Sample
Inv_#9045.js
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Inv_#9045.js
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
Inv_#9045.js
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Size
3KB
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MD5
bd2ef974ff2ac7645c9c1249c6f09c67
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SHA1
2f91d738794f8dc4e18e61d2ebd138e9cee26118
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SHA256
999b0576efee65a6c79f2fdc6e6f0d3aca3965d9e3f6193d88d452a5f507fc4e
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SHA512
65d7b23e6b0d99c73b6a0b8588c15c84ecfd3a5e2aa6e6cbeb4e2204479881b9587cc5dd84d097a1a4a95182fc83c0e41ab4683bab1783af6528e78eb7946303
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 5 636 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\Inv_#9045.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Inv_#9045.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\FPLYPOCV1W = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Inv_#9045.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 636 wrote to memory of 2660 636 wscript.exe schtasks.exe PID 636 wrote to memory of 2660 636 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Inv_#9045.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\Inv_#9045.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/2660-2-0x0000000000000000-mapping.dmp