Analysis
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max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
18-12-2021 08:49
Static task
static1
Behavioral task
behavioral1
Sample
QUG920MNSJ204.js
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
QUG920MNSJ204.js
Resource
win10-en-20211208
General
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Target
QUG920MNSJ204.js
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Size
64KB
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MD5
e1e8e8d7eab50c5c7c992513fe43bc63
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SHA1
1592f75c7ad4875cfb78e5ba1c811e5482af1157
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SHA256
5eaab9e827b716035e360a5c77bb1f2c4aa155dc6f269543109eeef4bbb51eac
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SHA512
0755af58a9b9f86bdf609bc13237b8a009b38b9fbeb9f3ee0c025900c8c7292c2eeb9cf94b01da16f213df17060c681f594126e67d4082c29553cafed17a5983
Malware Config
Extracted
vjw0rm
http://wupro.duckdns.org:8029
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 5 1640 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\QUG920MNSJ204.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QUG920MNSJ204.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\ASB2LA2QPQ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\QUG920MNSJ204.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 1640 wrote to memory of 1252 1640 wscript.exe schtasks.exe PID 1640 wrote to memory of 1252 1640 wscript.exe schtasks.exe PID 1640 wrote to memory of 1252 1640 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\QUG920MNSJ204.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\QUG920MNSJ204.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/1252-53-0x0000000000000000-mapping.dmp