Analysis
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max time kernel
145s -
max time network
156s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
25-01-2022 15:12
Static task
static1
Behavioral task
behavioral1
Sample
RY003.js
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
RY003.js
Resource
win10-en-20211208
General
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Target
RY003.js
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Size
14KB
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MD5
d8f874bd74588107bfd3f3acc68991d8
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SHA1
5ac811daadc0c9f7bd0b0fc53fe03f17585dc1c4
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SHA256
3dc741895be0ad6dd1f03d38488bbdf1d5f48517cb51de782639c4036c46d128
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SHA512
8e8027a0cd90ddf18db59946f4786d651b300bae29a0494ecf0e4b56910d92feab1ac9f38f687d793e5fa54ee00fedcdfae2d1655d96f5845605984e9b0714e4
Malware Config
Extracted
vjw0rm
http://moneyworm6.duckdns.org:1996
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 9 3204 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\RY003.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RY003.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\BVQOUV4OK4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RY003.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 3204 wrote to memory of 1340 3204 wscript.exe schtasks.exe PID 3204 wrote to memory of 1340 3204 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\RY003.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\RY003.js2⤵
- Creates scheduled task(s)