Malware Analysis Report

2025-04-14 08:28

Sample ID 211008-metkyadgh6
Target INTERAC Service Request9466544665440.js
SHA256 7acb1e3e7f173f2cc884c87a15260f06f59ed45e79e979afb37e361dd0b2625d
Tags
vjw0rm persistence trojan worm wshrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7acb1e3e7f173f2cc884c87a15260f06f59ed45e79e979afb37e361dd0b2625d

Threat Level: Known bad

The file INTERAC Service Request9466544665440.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm persistence trojan worm wshrat

WSHRAT Payload

Vjw0rm

WSHRAT

Blocklisted process makes network request

Drops startup file

Adds Run key to start application

Looks up external IP address via web service

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-10-08 10:23

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2021-10-08 10:23

Reported

2021-10-08 10:25

Platform

win10v20210408

Max time kernel

146s

Max time network

150s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js"

Signatures

Vjw0rm

trojan worm vjw0rm

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\wscript.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\INTERAC Service Request9466544665440.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\INTERAC Service Request9466544665440.js C:\Windows\system32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\K3A8F1X622 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\INTERAC Service Request9466544665440.js\"" C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 652 wrote to memory of 3560 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe
PID 652 wrote to memory of 3560 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\schtasks.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js

Network

Country Destination Domain Proto
US 8.8.8.8:53 jswormpeople.duckdns.org udp
CH 185.19.85.133:1921 jswormpeople.duckdns.org tcp
US 8.8.8.8:53 time.windows.com udp
NL 20.101.57.9:123 time.windows.com udp

Files

memory/3560-114-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2021-10-08 10:23

Reported

2021-10-08 10:25

Platform

win7-en-20210920

Max time kernel

148s

Max time network

149s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js"

Signatures

Vjw0rm

trojan worm vjw0rm

WSHRAT

trojan wshrat

WSHRAT Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SMHT76PIZC.js C:\Windows\System32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\INTERAC Service Request9466544665440.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\INTERAC Service Request9466544665440.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SMHT76PIZC.js C:\Windows\System32\WScript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SMHT76PIZC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\SMHT76PIZC.js\"" C:\Windows\System32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run C:\Windows\System32\WScript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\SMHT76PIZC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\SMHT76PIZC.js\"" C:\Windows\System32\WScript.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SMHT76PIZC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\SMHT76PIZC.js\"" C:\Windows\System32\WScript.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\SMHT76PIZC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\SMHT76PIZC.js\"" C:\Windows\System32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\K3A8F1X622 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\INTERAC Service Request9466544665440.js\"" C:\Windows\system32\wscript.exe N/A
Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run C:\Windows\System32\WScript.exe N/A
Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run C:\Windows\System32\wscript.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\INTERAC Service Request9466544665440.js

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SMHT76PIZC.js"

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\SMHT76PIZC.js"

Network

Country Destination Domain Proto
US 8.8.8.8:53 jswormpeople.duckdns.org udp
CH 185.19.85.133:1921 jswormpeople.duckdns.org tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 wishpeople.duckdns.org udp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp
NL 194.147.140.12:9071 wishpeople.duckdns.org tcp

Files

memory/1272-53-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

memory/572-54-0x0000000000000000-mapping.dmp

memory/1588-55-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\SMHT76PIZC.js

MD5 e4df266d9763db8663d812ae59e7270a
SHA1 375f6f2f16db35bda5290b537da15d30da66609d
SHA256 d02f604013705f3784a0a278e77b533612e00dd3fa95770b46bfe897777eb9fd
SHA512 901e5d5fc83d15f0106b634ca78e3417a461d8b4d796daccaa963778c8db7f4ac030a5236d8f7f5a7ac7738fb9100496fc1ca2b630bd25d86f1f5a25f0ea69b0

memory/1556-58-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\SMHT76PIZC.js

MD5 e4df266d9763db8663d812ae59e7270a
SHA1 375f6f2f16db35bda5290b537da15d30da66609d
SHA256 d02f604013705f3784a0a278e77b533612e00dd3fa95770b46bfe897777eb9fd
SHA512 901e5d5fc83d15f0106b634ca78e3417a461d8b4d796daccaa963778c8db7f4ac030a5236d8f7f5a7ac7738fb9100496fc1ca2b630bd25d86f1f5a25f0ea69b0

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SMHT76PIZC.js

MD5 e4df266d9763db8663d812ae59e7270a
SHA1 375f6f2f16db35bda5290b537da15d30da66609d
SHA256 d02f604013705f3784a0a278e77b533612e00dd3fa95770b46bfe897777eb9fd
SHA512 901e5d5fc83d15f0106b634ca78e3417a461d8b4d796daccaa963778c8db7f4ac030a5236d8f7f5a7ac7738fb9100496fc1ca2b630bd25d86f1f5a25f0ea69b0