Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
09-07-2021 18:01
Static task
static1
Behavioral task
behavioral1
Sample
XBWN6KUOL.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
XBWN6KUOL.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
XBWN6KUOL.js
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Size
9KB
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MD5
801fad12d820f4eec7ba68ac6690dbe7
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SHA1
ba2b3430532fbc4d14c6f221caf422b8841e2a23
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SHA256
a19b1877311f17eccd1e4b688477da37edfbbfa769ff267c8563042a46eb7bec
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SHA512
36ad06b284f08957e5d9ee80f68e1c2d8922e4c813efe6d5cee2e6f0db3055ae173b53894d6820767e8ec5a3274073e5bc9f7c4b9942502db0b1190bedefb2cb
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 1652 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\XBWN6KUOL.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XBWN6KUOL.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ECJ55M0WKI = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\XBWN6KUOL.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 1652 wrote to memory of 1588 1652 wscript.exe schtasks.exe PID 1652 wrote to memory of 1588 1652 wscript.exe schtasks.exe PID 1652 wrote to memory of 1588 1652 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\XBWN6KUOL.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\XBWN6KUOL.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/1588-60-0x0000000000000000-mapping.dmp