Analysis
-
max time kernel
146s -
max time network
145s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-04-2021 18:29
Static task
static1
Behavioral task
behavioral1
Sample
invoice @EA20551.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
invoice @EA20551.js
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
-
Target
invoice @EA20551.js
-
Size
3KB
-
MD5
d416d7a6378a585c61af61a3a37ce910
-
SHA1
83498e6d85ff4245c8290636e0ab093a80df7f31
-
SHA256
a6fe89c02b616aa5306befa5211b2b2747e3cec47639f6cb1e8d314a66c78f08
-
SHA512
51731c4dfbb9483a1a100c939a040b18ffb1691381c720f08697f3a86c66270b01260c624ab64831461d4453c25a8b295bd4581ff57e06beae44f451c15fbba9
Score
10/10
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 1048 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\invoice @EA20551.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice @EA20551.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\QFZ6YPQKZF = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\invoice @EA20551.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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1048 wrote to memory of 1604 1048 wscript.exe schtasks.exe PID 1048 wrote to memory of 1604 1048 wscript.exe schtasks.exe PID 1048 wrote to memory of 1604 1048 wscript.exe schtasks.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\invoice @EA20551.js"1⤵
- 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\invoice @EA20551.js2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1604-59-0x0000000000000000-mapping.dmp