Analysis
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max time kernel
140s -
max time network
173s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
30-06-2021 16:02
Static task
static1
Behavioral task
behavioral1
Sample
1Z87F7UOPMAS.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1Z87F7UOPMAS.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
1Z87F7UOPMAS.js
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Size
9KB
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MD5
cf5a481932b2210c0a9c812dc80c9888
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SHA1
87aa4069842d290f8fd839757e69102a4888a91b
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SHA256
b89a1d31f289da4606040ff39c969ec3fee3e65ae0dd512857da7826e56b3065
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SHA512
d0162ca114e2724687668d83c332bba3865d84ffae0cb5fd884f3e84fc55cd8b2e560489f8cc04350323286e53ce68ed0eae6f93cf5afccc471d8a556d24240b
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 1700 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\1Z87F7UOPMAS.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1Z87F7UOPMAS.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\80O5MENZ5Q = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1Z87F7UOPMAS.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 1700 wrote to memory of 2040 1700 wscript.exe schtasks.exe PID 1700 wrote to memory of 2040 1700 wscript.exe schtasks.exe PID 1700 wrote to memory of 2040 1700 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\1Z87F7UOPMAS.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\1Z87F7UOPMAS.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/2040-60-0x0000000000000000-mapping.dmp