Analysis
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max time kernel
148s -
max time network
145s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
29-09-2021 15:43
Static task
static1
Behavioral task
behavioral1
Sample
#00971.js
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
#00971.js
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
#00971.js
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Size
9KB
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MD5
fd8a5b4a046af44f3523c7ad813c1359
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SHA1
ab2f505db0516fe75dead0010db6f7d30b1f6d84
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SHA256
ccf62720b856ac64a61f9e1266bf401054738fdd309a57d13787f43dd410a608
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SHA512
31ee8b1152db19d9b960302a480dd032f99982ea49085c717cc996c36f902676f86a64a6a560a1f89e2c9f26d7d4a0e62bba90ebe0c399a65e4be685faced06d
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 3 1268 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\#00971.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#00971.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\MGIVKRKXXP = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\#00971.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 1268 wrote to memory of 1548 1268 wscript.exe schtasks.exe PID 1268 wrote to memory of 1548 1268 wscript.exe schtasks.exe PID 1268 wrote to memory of 1548 1268 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\#00971.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\#00971.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/1548-53-0x0000000000000000-mapping.dmp