Analysis
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max time kernel
144s -
max time network
155s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-05-2021 12:03
Static task
static1
Behavioral task
behavioral1
Sample
Invoice #0916.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Invoice #0916.js
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
Invoice #0916.js
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Size
3KB
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MD5
b8a96b02e16725f2b872f283c7add748
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SHA1
5a6f87070e376ade44c81dce6b126f700faac1e4
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SHA256
a6b13cb06dc5d0650a6cb8f4c38f7f3aacb8fca0ef110102d52a1b0cc8c09afc
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SHA512
0decac78022fbe1ea68a143cad35c5f77bc5d43cca8ce4f1e89cd20cae8a5f6a1394cf07a7dac1e57626b76a7d07b40a419ac2b0716373ea11bbd1b8ee018dd5
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 6 IoCs
Processes:
wscript.exeflow pid process 4 624 wscript.exe 10 624 wscript.exe 11 624 wscript.exe 12 624 wscript.exe 13 624 wscript.exe 14 624 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 #0916.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice #0916.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\AYG3AZS53D = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Invoice #0916.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 624 wrote to memory of 768 624 wscript.exe schtasks.exe PID 624 wrote to memory of 768 624 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice #0916.js"1⤵
- 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 #0916.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/768-114-0x0000000000000000-mapping.dmp