Analysis
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max time kernel
125s -
max time network
141s -
platform
windows7_x64 -
resource
win7-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 5 IoCs
Processes:
wscript.exeflow pid process 5 1264 wscript.exe 6 1264 wscript.exe 7 1264 wscript.exe 9 1264 wscript.exe 10 1264 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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1264 wrote to memory of 920 1264 wscript.exe schtasks.exe PID 1264 wrote to memory of 920 1264 wscript.exe schtasks.exe PID 1264 wrote to memory of 920 1264 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/920-55-0x0000000000000000-mapping.dmp