Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
16-12-2021 08:19
Static task
static1
Behavioral task
behavioral1
Sample
#007703.js
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
#007703.js
Resource
win10-en-20211208
0 signatures
0 seconds
General
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Target
#007703.js
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Size
9KB
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MD5
8561072eff18e9e77262c4f2fc6839fd
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SHA1
6c2740ec684336d394a0e3c6f35e3cd20898b91d
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SHA256
f613dce107714bf8229ea8312705109a720a8e0823b039abc0abe4446fbeeac1
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SHA512
a5199d4080ca1406d2cd0b24c618a96f6b42e845913bf3d934bd9d7e33ef18d234c78af331cb7a7edf3d05c5623456aa57c6ef684f1284a42229d9056a2d4705
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 6 IoCs
Processes:
wscript.exeflow pid process 17 3016 wscript.exe 31 3016 wscript.exe 35 3016 wscript.exe 36 3016 wscript.exe 37 3016 wscript.exe 38 3016 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\#007703.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#007703.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\7XZCXIM5XX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\#007703.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 3016 wrote to memory of 3504 3016 wscript.exe schtasks.exe PID 3016 wrote to memory of 3504 3016 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\#007703.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\#007703.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/3504-115-0x0000000000000000-mapping.dmp