Analysis
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max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2023 14:17
Static task
static1
Behavioral task
behavioral1
Sample
1ZWAJSAR001.js
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1ZWAJSAR001.js
Resource
win10v2004-20221111-en
General
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Target
1ZWAJSAR001.js
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Size
300.0MB
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MD5
16f64a9f1e8298c60d410e649d4f9af6
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SHA1
4ecbd826dd26c8cb1c83e90b260fabc01fb292b3
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SHA256
07832ced9085948c808f5d084569f19e7ac6d7ac033d9fe307557b2d62276c43
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SHA512
99bf973c22c46827ab153f13365cdffeb47a15f300693f5cbf3faaff71a7043e5a7a1c083c2ce2b02cfb085ba3bd77c8c43f6d0fbbfb9cab74e990318f8cde2b
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SSDEEP
192:KERPOQ5/EwSCSgCoR57ATri9xKrw/SDLaMTiye22k8T4Z1FOJ0ow4:KsOA/EwO4lT9xKrw6DLaM5iTTXaE
Malware Config
Extracted
vjw0rm
http://sgdghhdh62.duckdns.org:8050
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
wscript.exeflow pid process 19 600 wscript.exe 35 600 wscript.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 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\1ZWAJSAR001.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1ZWAJSAR001.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TLMDOPHRA6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ZWAJSAR001.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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 600 wrote to memory of 2180 600 wscript.exe schtasks.exe PID 600 wrote to memory of 2180 600 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\1ZWAJSAR001.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- 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\1ZWAJSAR001.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/2180-132-0x0000000000000000-mapping.dmp