Analysis
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max time kernel
129s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
13-04-2021 15:56
Static task
static1
Behavioral task
behavioral1
Sample
ZNAW72GH9MQ.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ZNAW72GH9MQ.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
ZNAW72GH9MQ.js
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Size
9KB
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MD5
4b66a4bb643b6ebe7ebefb7c82194c4a
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SHA1
09c595bd8a28b78032322fd96680d6637cd2a5be
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SHA256
8e9bac5d4376fe89b875a99867d6cfed70c5fdaed0eeaf1e0bcc275e7a7b4884
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SHA512
ca373d1f1b2ec0bec5f04706c05eb2c1d2476ffd75e45f59dab97164a46f0331d0606bced909c7866bdc4ecb40835747b29fc21d2f729692de39a35ed5bdefc5
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 7 4084 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\ZNAW72GH9MQ.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZNAW72GH9MQ.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\7VFE6BRAA8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ZNAW72GH9MQ.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 4084 wrote to memory of 1636 4084 wscript.exe schtasks.exe PID 4084 wrote to memory of 1636 4084 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ZNAW72GH9MQ.js1⤵
- 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\ZNAW72GH9MQ.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/1636-114-0x0000000000000000-mapping.dmp