Malware Analysis Report

2024-11-30 15:40

Sample ID 230117-x1rctaaa5w
Target 98e3648add4ab0724ebeb54eb720e8ad97ad52b0
SHA256 9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b
Tags
vjw0rm trojan worm spyware stealer
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 spyware stealer

Vjw0rm

Blocklisted process makes network request

Executes dropped EXE

Checks computer location settings

Reads user/profile data of web browsers

Loads dropped DLL

Drops startup file

Suspicious use of SetThreadContext

Program crash

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer settings

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-17 19:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-17 19:19

Reported

2023-01-17 19:22

Platform

win7-20220812-en

Max time kernel

150s

Max time network

172s

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\wlanext.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 960 set thread context of 1268 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 1900 set thread context of 1268 N/A C:\Windows\SysWOW64\wlanext.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\wlanext.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\wlanext.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1092 wrote to memory of 1540 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1092 wrote to memory of 1540 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1092 wrote to memory of 1540 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1092 wrote to memory of 960 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1092 wrote to memory of 960 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1092 wrote to memory of 960 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1092 wrote to memory of 960 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1268 wrote to memory of 1900 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1268 wrote to memory of 1900 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1268 wrote to memory of 1900 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1268 wrote to memory of 1900 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1900 wrote to memory of 1076 N/A C:\Windows\SysWOW64\wlanext.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1900 wrote to memory of 1076 N/A C:\Windows\SysWOW64\wlanext.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1900 wrote to memory of 1076 N/A C:\Windows\SysWOW64\wlanext.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1900 wrote to memory of 1076 N/A C:\Windows\SysWOW64\wlanext.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1900 wrote to memory of 1076 N/A C:\Windows\SysWOW64\wlanext.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\wlanext.exe

"C:\Windows\SysWOW64\wlanext.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 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.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com 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 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 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 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
N/A 8.8.8.8:53 www.f1253.com udp
N/A 34.92.178.239:80 www.f1253.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 34.92.178.239:80 www.f1253.com tcp

Files

memory/1540-54-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/960-56-0x0000000000000000-mapping.dmp

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1540-58-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

memory/960-59-0x00000000012C0000-0x00000000012EF000-memory.dmp

memory/960-60-0x0000000000820000-0x0000000000B23000-memory.dmp

memory/960-61-0x0000000000110000-0x0000000000120000-memory.dmp

memory/1268-62-0x0000000004660000-0x000000000471A000-memory.dmp

memory/960-64-0x00000000012C0000-0x00000000012EF000-memory.dmp

memory/1900-63-0x0000000000000000-mapping.dmp

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1900-67-0x0000000000080000-0x00000000000AD000-memory.dmp

memory/1900-66-0x0000000000C70000-0x0000000000C86000-memory.dmp

memory/1900-68-0x0000000002090000-0x0000000002393000-memory.dmp

memory/1900-69-0x00000000003F0000-0x000000000047F000-memory.dmp

memory/1268-70-0x0000000006A10000-0x0000000006AD8000-memory.dmp

memory/1900-71-0x0000000075201000-0x0000000075203000-memory.dmp

memory/1268-72-0x0000000006A10000-0x0000000006AD8000-memory.dmp

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

MD5 5fc6cd5d5ca1489d2a3c361717359a95
SHA1 5c630e232cd5761e7a611e41515be4afa3e7a141
SHA256 85c8b8a648c56cf5f063912e0e26ecebb90e0caf2f442fd5cdd8287301fe7e81
SHA512 5f9124a721f6b463d4f980920e87925098aa753b0fa2a59a3ff48b48d2b1a45d760fd46445414d84fb66321181cd2c82a4194361811114c15e35b42f838ab792

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-17 19:19

Reported

2023-01-17 19:23

Platform

win10v2004-20221111-en

Max time kernel

186s

Max time network

198s

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 372 set thread context of 2080 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 3572 set thread context of 2080 N/A C:\Windows\SysWOW64\cscript.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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\cscript.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\cscript.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.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\cscript.exe

"C:\Windows\SysWOW64\cscript.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 3544 -ip 3544

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3544 -s 184

Network

Country Destination Domain Proto
N/A 72.21.91.29:80 tcp
N/A 72.21.91.29:80 tcp
N/A 67.27.153.254:80 tcp
N/A 104.80.225.205:443 tcp
N/A 67.27.153.254:80 tcp
N/A 173.223.112.135:443 tcp
N/A 84.53.175.96:80 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 2.20.8.110:443 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 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.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 162.214.81.26:80 www.theedenpublicschool.com 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 194.5.98.109:5443 javaautorun.duia.ro tcp

Files

memory/4504-132-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/372-134-0x0000000000000000-mapping.dmp

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/372-137-0x0000000000240000-0x000000000026F000-memory.dmp

memory/372-138-0x00000000017C0000-0x0000000001B0A000-memory.dmp

memory/372-139-0x0000000001310000-0x0000000001320000-memory.dmp

memory/2080-140-0x0000000002FA0000-0x0000000003064000-memory.dmp

memory/3572-141-0x0000000000000000-mapping.dmp

memory/372-142-0x0000000000240000-0x000000000026F000-memory.dmp

memory/3572-143-0x0000000000A30000-0x0000000000A57000-memory.dmp

memory/3572-144-0x0000000001140000-0x000000000116D000-memory.dmp

memory/3572-145-0x0000000003150000-0x000000000349A000-memory.dmp

memory/3572-146-0x0000000002FB0000-0x000000000303F000-memory.dmp

memory/2080-147-0x0000000003070000-0x000000000317F000-memory.dmp

memory/2080-148-0x0000000003070000-0x000000000317F000-memory.dmp