Malware Analysis Report

2025-05-05 21:52

Sample ID 221010-ng72sabger
Target PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js
SHA256 b921ff143f8ca087ff5300fc4bbfe2380d4b8f33d05120d2aec85faebce907f8
Tags
vjw0rm persistence trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b921ff143f8ca087ff5300fc4bbfe2380d4b8f33d05120d2aec85faebce907f8

Threat Level: Known bad

The file PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js was found to be: Known bad.

Malicious Activity Summary

vjw0rm persistence trojan worm

Vjw0rm

Blocklisted process makes network request

Checks computer location settings

Drops startup file

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-10 11:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-10 11:23

Reported

2022-10-10 11:25

Platform

win7-20220812-en

Max time kernel

110s

Max time network

118s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.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
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
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\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NbcMSbvqgG.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NbcMSbvqgG.js C:\Windows\System32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\PTGGDQ1TZR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js\"" C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1612 wrote to memory of 1860 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1612 wrote to memory of 1860 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1612 wrote to memory of 1860 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 whiteking.giize.com udp
US 8.8.8.8:53 javaautorun.duia.ro udp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
US 23.105.131.238:6565 whiteking.giize.com tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp

Files

memory/1612-54-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

memory/1860-55-0x0000000000000000-mapping.dmp

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

MD5 38ab62fc6688bab6d4a1b275969e147d
SHA1 dfc02f21a6ec8b17e8e10f26de161ed06ac3bcb7
SHA256 3a46e2e43ceb2f2edb5ccebef9bddc9dc79d8fcbf6e266bffa8be503618b33b3
SHA512 276744bff93bd1f5bd970a640ca09a27b938daff4a71bda9623870b5ae8d033d2105fe3ccffeac2ccf1cd123b9febedd8d1e78140f988abc979f96c79161530d

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-10 11:23

Reported

2022-10-10 11:25

Platform

win10v2004-20220812-en

Max time kernel

113s

Max time network

119s

Command Line

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.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
N/A N/A C:\Windows\system32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A
N/A N/A C:\Windows\System32\wscript.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 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\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js C:\Windows\system32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js C:\Windows\system32\wscript.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NbcMSbvqgG.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NbcMSbvqgG.js C:\Windows\System32\wscript.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\wscript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PTGGDQ1TZR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js\"" C:\Windows\system32\wscript.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1964 wrote to memory of 1928 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1964 wrote to memory of 1928 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe "C:\Users\Admin\AppData\Local\Temp\PROD 10 OUTUBRO 22- combustiveis Liquidos.xls.js"

C:\Windows\System32\wscript.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 whiteking.giize.com udp
US 8.8.8.8:53 javaautorun.duia.ro udp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
US 23.105.131.238:6565 whiteking.giize.com tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
US 52.182.143.210:443 tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp
DK 37.120.232.109:5465 javaautorun.duia.ro tcp

Files

memory/1928-132-0x0000000000000000-mapping.dmp

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

MD5 38ab62fc6688bab6d4a1b275969e147d
SHA1 dfc02f21a6ec8b17e8e10f26de161ed06ac3bcb7
SHA256 3a46e2e43ceb2f2edb5ccebef9bddc9dc79d8fcbf6e266bffa8be503618b33b3
SHA512 276744bff93bd1f5bd970a640ca09a27b938daff4a71bda9623870b5ae8d033d2105fe3ccffeac2ccf1cd123b9febedd8d1e78140f988abc979f96c79161530d