Analysis
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max time kernel
201s -
max time network
211s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 21:28
Static task
static1
Behavioral task
behavioral1
Sample
Statement-Invoice.js
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Statement-Invoice.js
Resource
win10v2004-20220414-en
General
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Target
Statement-Invoice.js
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Size
10KB
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MD5
c94c70544e1792362319f444ff1969ba
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SHA1
0b8712b610744c9bf0cb469662f7823ed71e84b9
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SHA256
9296cb6b37e1aa570675bcc07519b5887d20ec6617efa84d900286a8a829c994
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SHA512
001eb00bf2851c8cda1bbf2ccb9a7d624378896d6a8cce02e99af4e0c7c2751d2cbc496c3c98d0f0535d1c0413e06c5a72b542f7d4b5e2f2c78b4ac5b04a1512
Malware Config
Extracted
vjw0rm
http://hwprocessing.duckdns.org:9933
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 7 4840 wscript.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 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\Statement-Invoice.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Statement-Invoice.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8Z0TNMFXTR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Statement-Invoice.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 4840 wrote to memory of 1344 4840 wscript.exe schtasks.exe PID 4840 wrote to memory of 1344 4840 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Statement-Invoice.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- 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\Statement-Invoice.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/1344-130-0x0000000000000000-mapping.dmp