Malware Analysis Report

2024-11-30 15:42

Sample ID 230117-x75tsaec37
Target 98e3648add4ab0724ebeb54eb720e8ad97ad52b0
SHA256 9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b
Tags
vjw0rm 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

9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b

Threat Level: Known bad

The file 98e3648add4ab0724ebeb54eb720e8ad97ad52b0 was found to be: Known bad.

Malicious Activity Summary

vjw0rm trojan worm

Vjw0rm

Blocklisted process makes network request

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Drops startup file

Suspicious use of SetThreadContext

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Modifies Internet Explorer settings

Gathers network information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-17 19:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-17 19:30

Reported

2023-01-17 19:34

Platform

win7-20220812-en

Max time kernel

185s

Max time network

196s

Command Line

C:\Windows\Explorer.EXE

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Drops startup file

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NAPSTAT.EXE N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 956 set thread context of 1196 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 332 set thread context of 1196 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Windows\Explorer.EXE

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\NAPSTAT.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NAPSTAT.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1436 wrote to memory of 1496 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1436 wrote to memory of 1496 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1436 wrote to memory of 1496 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1436 wrote to memory of 956 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1436 wrote to memory of 956 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1436 wrote to memory of 956 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1436 wrote to memory of 956 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1196 wrote to memory of 332 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NAPSTAT.EXE
PID 1196 wrote to memory of 332 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NAPSTAT.EXE
PID 1196 wrote to memory of 332 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NAPSTAT.EXE
PID 1196 wrote to memory of 332 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\NAPSTAT.EXE
PID 332 wrote to memory of 920 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Program Files\Mozilla Firefox\Firefox.exe
PID 332 wrote to memory of 920 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Program Files\Mozilla Firefox\Firefox.exe
PID 332 wrote to memory of 920 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Program Files\Mozilla Firefox\Firefox.exe
PID 332 wrote to memory of 920 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Program Files\Mozilla Firefox\Firefox.exe
PID 332 wrote to memory of 920 N/A C:\Windows\SysWOW64\NAPSTAT.EXE C:\Program Files\Mozilla Firefox\Firefox.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js

C:\Windows\System32\wscript.exe

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

C:\Users\Admin\AppData\Local\Temp\bin.exe

"C:\Users\Admin\AppData\Local\Temp\bin.exe"

C:\Windows\SysWOW64\autoconv.exe

"C:\Windows\SysWOW64\autoconv.exe"

C:\Windows\SysWOW64\NAPSTAT.EXE

"C:\Windows\SysWOW64\NAPSTAT.EXE"

C:\Program Files\Mozilla Firefox\Firefox.exe

"C:\Program Files\Mozilla Firefox\Firefox.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ambilis.com udp
N/A 199.59.243.222:80 www.ambilis.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.sqlite.org udp
N/A 45.33.6.223:80 www.sqlite.org tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ecomicsvilla.com udp
N/A 198.252.102.191:80 www.ecomicsvilla.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ecomicsvilla.com udp
N/A 198.252.102.191:80 www.ecomicsvilla.com tcp
N/A 8.8.8.8:53 ecomicsvilla.com udp
N/A 198.252.102.191:80 ecomicsvilla.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.boltag.xyz udp
N/A 199.192.31.98:80 www.boltag.xyz tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 199.192.31.98:80 www.boltag.xyz tcp

Files

memory/1496-54-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/956-56-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1496-58-0x000007FEFC421000-0x000007FEFC423000-memory.dmp

memory/956-59-0x00000000002E0000-0x000000000030F000-memory.dmp

memory/956-60-0x0000000000810000-0x0000000000B13000-memory.dmp

memory/956-61-0x00000000001A0000-0x00000000001B0000-memory.dmp

memory/1196-62-0x00000000064A0000-0x00000000065BA000-memory.dmp

memory/332-63-0x0000000000000000-mapping.dmp

memory/956-64-0x00000000002E0000-0x000000000030F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/332-66-0x0000000000A90000-0x0000000000AD6000-memory.dmp

memory/332-67-0x0000000000080000-0x00000000000AD000-memory.dmp

memory/332-68-0x0000000001EE0000-0x00000000021E3000-memory.dmp

memory/332-69-0x0000000000870000-0x00000000008FF000-memory.dmp

memory/1196-70-0x00000000048A0000-0x0000000004964000-memory.dmp

memory/332-71-0x00000000762F1000-0x00000000762F3000-memory.dmp

\Users\Admin\AppData\Local\Temp\sqlite3.dll

MD5 7fd80b1cc72dc580c02ca4cfbfb2592d
SHA1 18da905af878b27151b359cf1a7d0a650764e8a1
SHA256 1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190
SHA512 13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

memory/1196-73-0x00000000048A0000-0x0000000004964000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-17 19:30

Reported

2023-01-17 19:33

Platform

win10v2004-20220812-en

Max time kernel

152s

Max time network

157s

Command Line

C:\Windows\Explorer.EXE

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Drops startup file

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3560 set thread context of 3008 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 2152 set thread context of 3008 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\Explorer.EXE

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Program Files\Mozilla Firefox\Firefox.exe

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js

C:\Windows\System32\wscript.exe

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

C:\Users\Admin\AppData\Local\Temp\bin.exe

"C:\Users\Admin\AppData\Local\Temp\bin.exe"

C:\Windows\SysWOW64\autochk.exe

"C:\Windows\SysWOW64\autochk.exe"

C:\Windows\SysWOW64\NETSTAT.EXE

"C:\Windows\SysWOW64\NETSTAT.EXE"

C:\Program Files\Mozilla Firefox\Firefox.exe

"C:\Program Files\Mozilla Firefox\Firefox.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 444 -p 4184 -ip 4184

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 4184 -s 184

Network

Country Destination Domain Proto
N/A 93.184.220.29:80 tcp
N/A 93.184.220.29:80 tcp
N/A 95.101.78.82:80 tcp
N/A 104.80.225.205:443 tcp
N/A 52.182.143.208:443 tcp
N/A 8.248.5.254:80 tcp
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.248.5.254:80 tcp
N/A 8.248.5.254:80 tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ambilis.com udp
N/A 199.59.243.222:80 www.ambilis.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp

Files

memory/4448-132-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/3560-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/3560-137-0x0000000000110000-0x000000000013F000-memory.dmp

memory/3560-138-0x0000000000B10000-0x0000000000E5A000-memory.dmp

memory/3560-139-0x0000000000100000-0x0000000000110000-memory.dmp

memory/3008-140-0x0000000002730000-0x0000000002810000-memory.dmp

memory/2152-141-0x0000000000000000-mapping.dmp

memory/3560-142-0x0000000000110000-0x000000000013F000-memory.dmp

memory/2152-143-0x0000000000470000-0x000000000047B000-memory.dmp

memory/2152-144-0x0000000000410000-0x000000000043D000-memory.dmp

memory/2152-145-0x0000000000F20000-0x000000000126A000-memory.dmp

memory/2152-146-0x0000000000C40000-0x0000000000CCF000-memory.dmp

memory/3008-147-0x00000000079C0000-0x0000000007A9C000-memory.dmp

memory/3008-148-0x0000000002730000-0x0000000002810000-memory.dmp

memory/3008-149-0x00000000079C0000-0x0000000007A9C000-memory.dmp