Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 18:31
Static task
static1
Behavioral task
behavioral1
Sample
TROOS_Invoice_Copy.js
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
TROOS_Invoice_Copy.js
Resource
win10-en-20211014
General
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Target
TROOS_Invoice_Copy.js
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Size
10KB
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MD5
395f205e2eb958f80f72f13cff9303e2
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SHA1
d7929d3bc0326abaa776d55b74150c42790634b9
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SHA256
5d7a0823b291315c81e35ed0c7ca7c81c6595c7ca9e5ebf0f56993a02d77c1f2
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SHA512
5e35600f9b4789ff0869d0d28898421121b25eb409646c1fc6794ebcf59c6d9adf742ccb266ef7d9ddf420743995236bc8a1d42a8a06dd90d5fb865662007e7e
Malware Config
Extracted
vjw0rm
http://gg1592661.duckdns.org:7924
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 14 1512 wscript.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TROOS_Invoice_Copy.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TROOS_Invoice_Copy.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\F4ZGVI2L3S = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\TROOS_Invoice_Copy.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 1512 wrote to memory of 3096 1512 wscript.exe schtasks.exe PID 1512 wrote to memory of 3096 1512 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\TROOS_Invoice_Copy.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\TROOS_Invoice_Copy.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/3096-115-0x0000000000000000-mapping.dmp