Analysis
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max time kernel
141s -
max time network
154s -
platform
windows10_x64 -
resource
win10v20210410 -
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 10 4048 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 Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\P7EKOWB6GH = "\"C:\\ProgramData\\ISO certification.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run 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 4048 wrote to memory of 1680 4048 wscript.exe schtasks.exe PID 4048 wrote to memory of 1680 4048 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/1680-114-0x0000000000000000-mapping.dmp