Analysis
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max time kernel
141s -
max time network
191s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23-08-2021 09:51
Static task
static1
Behavioral task
behavioral1
Sample
ISO certification.js
Resource
win7v20210410
Behavioral task
behavioral2
Sample
ISO certification.js
Resource
win10v20210410
General
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Target
ISO certification.js
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Size
17KB
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MD5
92aeab75b19a2fd42eb1da3f71e58554
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SHA1
dad3bfa343407c9269bbe928ef061bf4264bc429
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SHA256
bb22cb56b476332b2148367891089954d3e9f5af18104615920af794601c817d
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SHA512
b8adf49826b13260b6b7f2328224ec752e54cb808611d56be5a93b6b6a907b850fee9e60257c1b849bedab82949e52f432bfe80f7217f9fa67d9afb132bb2353
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 7 1304 wscript.exe -
Drops startup file 1 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ISO certification.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\P7EKOWB6GH = "\"C:\\ProgramData\\ISO certification.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 1304 wrote to memory of 1320 1304 wscript.exe schtasks.exe PID 1304 wrote to memory of 1320 1304 wscript.exe schtasks.exe PID 1304 wrote to memory of 1320 1304 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\ISO certification.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:\ProgramData\ISO certification.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/1320-60-0x0000000000000000-mapping.dmp