Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
15-04-2021 19:26
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Invoice.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
Invoice.js
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Size
3KB
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MD5
e4996c01d4929a975193269740f28881
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SHA1
6778a0b0914630d713356f95f6e06cc591b57ea5
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SHA256
13af60f89ceb752fa548c1160fb3ac115bb072d8582e714cbd097e686d94760a
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SHA512
b61d6191469ea558f1c168e7907a0edecb83c2329a87cd2f9b568ed1c789b4c003ff3a05cc6e74b3aae689f6b52fbf64d2336171c215059fb3cb1c47db56a598
Score
10/10
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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\K2ZH0NVOMX = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1096 wrote to memory of 828 1096 wscript.exe schtasks.exe PID 1096 wrote to memory of 828 1096 wscript.exe schtasks.exe PID 1096 wrote to memory of 828 1096 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice.js1⤵
- 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\Roaming\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/828-59-0x0000000000000000-mapping.dmp