Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7v20210410 -
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 1 IoCs
Processes:
wscript.exeflow pid process 6 1676 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-1-5-21-2513283230-931923277-594887482-1000\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\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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1676 wrote to memory of 1184 1676 wscript.exe schtasks.exe PID 1676 wrote to memory of 1184 1676 wscript.exe schtasks.exe PID 1676 wrote to memory of 1184 1676 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/1184-60-0x0000000000000000-mapping.dmp