Analysis
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max time kernel
146s -
max time network
153s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
09-07-2021 17:46
Static task
static1
Behavioral task
behavioral1
Sample
XBWN6KUOL.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
XBWN6KUOL.js
Resource
win10v20210408
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 8 416 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 Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ECJ55M0WKI = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\XBWN6KUOL.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run 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 416 wrote to memory of 3200 416 wscript.exe schtasks.exe PID 416 wrote to memory of 3200 416 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/3200-114-0x0000000000000000-mapping.dmp