vjw0rm | 48060aa86cc3e2bb54b027bff0cb9f4eac1782a544278ea866abb19b8321795a

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7v20210410
submitted
08-07-2021 19:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Waybill.js
Size

3KB
MD5

d30ace93aad24d5e32a2ef10741df644
SHA1

0caab170570d6cd7c4065af3e742161b252d80ae
SHA256

48060aa86cc3e2bb54b027bff0cb9f4eac1782a544278ea866abb19b8321795a
SHA512

86f9b35a122e1cdeefa50ded18c008940006571e1ef77c2a5a1654455045ed02cd5b970d9a7a489434ebc422887bca7d3fcfd095b3b096da4584d6564ad9f0b7

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

6 368 wscript.exe

flow	pid	process
6	368	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Waybill.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Waybill.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	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\2258FWKQYR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Waybill.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1320 schtasks.exe

pid	process
1320	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 368 wrote to memory of 1320	368	wscript.exe	schtasks.exe
PID 368 wrote to memory of 1320	368	wscript.exe	schtasks.exe
PID 368 wrote to memory of 1320	368	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Waybill.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\Waybill.js
2⤵
- Creates scheduled task(s)
PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1320-59-0x0000000000000000-mapping.dmp

Download