Analysis
-
max time kernel
138s -
max time network
146s -
platform
windows10_x64 -
resource
win10-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
-
Target
QUG920MNSJ204.js
-
Size
64KB
-
MD5
e1e8e8d7eab50c5c7c992513fe43bc63
-
SHA1
1592f75c7ad4875cfb78e5ba1c811e5482af1157
-
SHA256
5eaab9e827b716035e360a5c77bb1f2c4aa155dc6f269543109eeef4bbb51eac
-
SHA512
0755af58a9b9f86bdf609bc13237b8a009b38b9fbeb9f3ee0c025900c8c7292c2eeb9cf94b01da16f213df17060c681f594126e67d4082c29553cafed17a5983
Malware Config
Extracted
vjw0rm
http://wupro.duckdns.org:8029
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 11 3144 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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\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.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 3144 wrote to memory of 3268 3144 wscript.exe schtasks.exe PID 3144 wrote to memory of 3268 3144 wscript.exe schtasks.exe
Processes
-
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
-
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
Loading Replay Monitor...
Downloads
-
memory/3268-115-0x0000000000000000-mapping.dmp