Analysis
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max time kernel
143s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
03-05-2021 14:05
Static task
static1
Behavioral task
behavioral1
Sample
Invoice #80012.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Invoice #80012.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
Invoice #80012.js
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Size
3KB
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MD5
4f01979e47adb070ae7085776f379a72
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SHA1
598321cb6d01f41585b3be6e7718e75f3686a2ba
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SHA256
dac57e00325a61980526a93a6b05073e1ec6b39221ab1d4047337c048938d3b0
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SHA512
2157adb27b3733989a9342344ae9e8877dd402d7e8575d77feda77535c5fe721e2845c0240daf1a23cf716408617c4f31eae375af759804c43e74bb2e1aac36a
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 1088 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\Invoice #80012.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice #80012.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SV4BU1WP23 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Invoice #80012.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 1088 wrote to memory of 1296 1088 wscript.exe schtasks.exe PID 1088 wrote to memory of 1296 1088 wscript.exe schtasks.exe PID 1088 wrote to memory of 1296 1088 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice #80012.js"1⤵
- 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\Invoice #80012.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/1296-60-0x0000000000000000-mapping.dmp