Analysis
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max time kernel
152s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
29-07-2021 18:07
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.js
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Invoice.js
Resource
win10v20210408
0 signatures
0 seconds
General
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Target
Invoice.js
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Size
3KB
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MD5
f187bff85111c74bffe04e7148760bca
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SHA1
e0436fb2079b01df779d28a29d3b52b4e5bae191
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SHA256
9b5c6c579c2dcff5c35cc16f59c49bd0d903edb8730e1f4f5424d33fdc19a677
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SHA512
bd548dc2a01c74181e365bb56e5b3346838bb29da2000479b93560b3966fa37549b77e25c64d6dfb9d081c82bca9690432ca656e1117dd4b9514bf7607efac49
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 6 IoCs
Processes:
wscript.exeflow pid process 5 684 wscript.exe 8 684 wscript.exe 9 684 wscript.exe 10 684 wscript.exe 11 684 wscript.exe 12 684 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\Invoice.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\QVCLNW3IY6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Invoice.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 684 wrote to memory of 1424 684 wscript.exe schtasks.exe PID 684 wrote to memory of 1424 684 wscript.exe schtasks.exe PID 684 wrote to memory of 1424 684 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice.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\Invoice.js2⤵
- Creates scheduled task(s)