Analysis
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max time kernel
141s -
max time network
140s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
07-10-2021 14:22
Static task
static1
Behavioral task
behavioral1
Sample
T00170MNA.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
T00170MNA.js
Resource
win10-en-20210920
windows10_x64
0 signatures
0 seconds
General
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Target
T00170MNA.js
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Size
12KB
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MD5
f4240a60fd1b7c4c476330a3028b3bb2
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SHA1
f9a8d6a45341071168590f704bdc678c81f32d2c
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SHA256
b81b577fa7c0e7ccfd46c6a8171e83ad9c2c4a1e4c852b8b8d2ace4b0062313d
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SHA512
5dd08a33b9fa889cb7118eeccb6c374909fe3ed8582203b4c6bc6850fe39d0db70547a5187f2d2c7e50ff5959cbba2dabb5d3afb7db573a2bf9a365d060d5b29
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 10 1860 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\T00170MNA.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\T00170MNA.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\GDC36KIXYU = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\T00170MNA.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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 1860 wrote to memory of 1764 1860 wscript.exe schtasks.exe PID 1860 wrote to memory of 1764 1860 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\T00170MNA.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\T00170MNA.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/1764-115-0x0000000000000000-mapping.dmp