Analysis
- max time kernel
166s - max time network
171s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
08/02/2022, 01:26
Static task
static1
Behavioral task
behavioral1
Sample
VBR006JSANQW.js
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
VBR006JSANQW.js
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target VBR006JSANQW.js
- Size 13KB
- Sample220208-btjthabfe6
- SHA256 bbd977223b6cb63ad932d09bbf5ee2ba813318ced7b8cc20f18fbb51e22bc44e
- MD5 8eecccbb75ba5366b1b3e875ed41af43
- SHA1 ac4641ee09ca2935696d3b587e9e05ec92618fb9
- SHA512 771b39b2b255cf4db1c87e969c4c9f23f5dc3698b45c94b09dfb19cfaaa46bbb529ffd8c0601a63b5da2adbcd382d80365544692882c5ea3ebdb6e35a3dacddc
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Blocklisted process makes network request 16 IoCs
flow pid Process 5 1592 wscript.exe 6 1592 wscript.exe 7 1592 wscript.exe 9 1592 wscript.exe 10 1592 wscript.exe 11 1592 wscript.exe 13 1592 wscript.exe 14 1592 wscript.exe 15 1592 wscript.exe 17 1592 wscript.exe 18 1592 wscript.exe 19 1592 wscript.exe 21 1592 wscript.exe 22 1592 wscript.exe 23 1592 wscript.exe 25 1592 wscript.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VBR006JSANQW.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VBR006JSANQW.js wscript.exe - Adds Run key to start application 2 TTPs 2 IoCs
description 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\Q0K8KAC1S1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\VBR006JSANQW.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.
pid Process 1556 schtasks.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1592 wrote to memory of 1556 1592 wscript.exe 28 PID 1592 wrote to memory of 1556 1592 wscript.exe 28 PID 1592 wrote to memory of 1556 1592 wscript.exe 28
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\VBR006JSANQW.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\VBR006JSANQW.js2⤵
- Creates scheduled task(s)
PID:1556
-