Analysis
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max time kernel
145s -
max time network
191s -
platform
windows7_x64 -
resource
win7-en-20210920 -
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 5 1112 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\TROOS_Invoice_Copy.js wscript.exe File opened for modification 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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1112 wrote to memory of 1604 1112 wscript.exe schtasks.exe PID 1112 wrote to memory of 1604 1112 wscript.exe schtasks.exe PID 1112 wrote to memory of 1604 1112 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/1604-53-0x0000000000000000-mapping.dmp