Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
29-10-2021 05:12
Static task
static1
Behavioral task
behavioral1
Sample
v1m5_Payment_receipt.js
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
v1m5_Payment_receipt.js
Resource
win10-en-20211014
General
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Target
v1m5_Payment_receipt.js
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Size
81KB
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MD5
141b981a8468e109d39c54a3a425ff66
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SHA1
92878aa2adea4c26dc639e60a3d9c0f76e536407
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SHA256
25fa1b8dca724a1c9e059e76ae2654ad249242f8b8c82358b4041061028bc80d
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SHA512
a5284bee064ad956244232baa6fe5a5084bdc2699209a8a1c5bc618e831bc20a2a91df5f65ba23d5dee92d47691797a8fade162d53434fd1e608fc2cc9fd21ff
Malware Config
Extracted
vjw0rm
http://7300js.duckdns.org:7300
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 11 2716 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\v1m5_Payment_receipt.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\v1m5_Payment_receipt.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\O8A8WRK7AC = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\v1m5_Payment_receipt.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 2716 wrote to memory of 3956 2716 wscript.exe schtasks.exe PID 2716 wrote to memory of 3956 2716 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\v1m5_Payment_receipt.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\v1m5_Payment_receipt.js2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3956-118-0x0000000000000000-mapping.dmp