Analysis
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max time kernel
135s -
max time network
146s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
16-07-2021 17:33
Static task
static1
Behavioral task
behavioral1
Sample
1ZXONMSABNA.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1ZXONMSABNA.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
1ZXONMSABNA.js
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Size
9KB
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MD5
ef86be6b2cc4b30e2759e38482d86008
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SHA1
d242dbd08203cdd94b7501fd3f62c92102b517ac
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SHA256
7eeb160cbe8bb7a5bbbf49c35c1b8ce4a10fdf518a4a28c494fdcf033841cbc1
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SHA512
b0ac5813f5345bbd44e042fed252ab5ef3d0bf2f5bb3c52469a978f771ef4c721237c43d3971bad15fc97a904405aacacc43ade1bc136a5dc3d244334b36e2ad
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 5 1684 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\1ZXONMSABNA.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ZXONMSABNA.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ECJ55M0WKI = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ZXONMSABNA.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 1684 wrote to memory of 1224 1684 wscript.exe schtasks.exe PID 1684 wrote to memory of 1224 1684 wscript.exe schtasks.exe PID 1684 wrote to memory of 1224 1684 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXONMSABNA.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\1ZXONMSABNA.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/1224-60-0x0000000000000000-mapping.dmp