Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-06-2021 15:57
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 3 IoCs
Processes:
wscript.exeflow pid process 6 4060 wscript.exe 15 4060 wscript.exe 16 4060 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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\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 2 IoCs
Processes:
wscript.exedescription pid process target process PID 4060 wrote to memory of 1188 4060 wscript.exe schtasks.exe PID 4060 wrote to memory of 1188 4060 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/1188-114-0x0000000000000000-mapping.dmp