Malware Analysis Report

2024-11-30 15:45

Sample ID 230118-a37q9abd66
Target 98e3648add4ab0724ebeb54eb720e8ad97ad52b0
SHA256 9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b
Tags
vjw0rm spyware stealer 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 spyware stealer trojan worm

Vjw0rm

Executes dropped EXE

Blocklisted process makes network request

Reads user/profile data of web browsers

Checks computer location settings

Loads dropped DLL

Drops startup file

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-18 00:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-18 00:45

Reported

2023-01-18 00:48

Platform

win7-20220812-en

Max time kernel

151s

Max time network

160s

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-1-5-21-999675638-2867687379-27515722-1000\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\cmd.exe N/A

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1944 set thread context of 1352 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 1464 set thread context of 1352 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\cmd.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\cmd.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1988 wrote to memory of 1872 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1988 wrote to memory of 1872 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1988 wrote to memory of 1872 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1988 wrote to memory of 1944 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1988 wrote to memory of 1944 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1988 wrote to memory of 1944 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1988 wrote to memory of 1944 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1352 wrote to memory of 1464 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 1464 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 1464 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 1464 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1464 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1464 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1464 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1464 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.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\cmd.exe

"C:\Windows\SysWOW64\cmd.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 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 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 8.8.8.8:53 www.ecomicsvilla.com udp
N/A 198.252.102.191:80 www.ecomicsvilla.com 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 8.8.8.8:53 www.boltag.xyz udp
N/A 199.192.31.98:80 www.boltag.xyz tcp
N/A 199.192.31.98:80 www.boltag.xyz tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro 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
N/A 8.8.8.8:53 www.pushpaholidays.com udp
N/A 216.239.36.21:80 www.pushpaholidays.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 216.239.36.21:80 www.pushpaholidays.com tcp
N/A 8.8.8.8:53 www.defituesday.com udp
N/A 199.59.243.222:80 www.defituesday.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 199.59.243.222:80 www.defituesday.com tcp

Files

memory/1872-54-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/1944-56-0x0000000000000000-mapping.dmp

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1944-58-0x0000000000D10000-0x0000000000D3F000-memory.dmp

memory/1872-59-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmp

memory/1944-60-0x00000000006C0000-0x00000000009C3000-memory.dmp

memory/1944-61-0x00000000000F0000-0x0000000000100000-memory.dmp

memory/1352-62-0x0000000004CB0000-0x0000000004D7B000-memory.dmp

memory/1464-63-0x0000000000000000-mapping.dmp

memory/1944-64-0x0000000000D10000-0x0000000000D3F000-memory.dmp

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

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1464-66-0x000000004A7B0000-0x000000004A7FC000-memory.dmp

memory/1464-67-0x0000000000080000-0x00000000000AD000-memory.dmp

memory/1464-68-0x0000000002000000-0x0000000002303000-memory.dmp

memory/1464-69-0x0000000001D30000-0x0000000001DBF000-memory.dmp

memory/1352-70-0x00000000062A0000-0x00000000063A5000-memory.dmp

memory/1352-71-0x0000000004CB0000-0x0000000004D7B000-memory.dmp

memory/1352-72-0x00000000062A0000-0x00000000063A5000-memory.dmp

memory/1464-73-0x0000000075A91000-0x0000000075A93000-memory.dmp

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

MD5 ce5c15b5092877974d5b6476ad1cb2d7
SHA1 76a6fc307d1524081cba1886d312df97c9dd658f
SHA256 1f1a186ea26bd2462ea2a9cf35a816b92caf0897fdf332af3a61569e0ba97b24
SHA512 bb9ced38c63d2a29e18c38f60020cfdf0161384cd4ad6328352626643becdf49f6b4bef47012391720344fdd8ad520aa802dcbbed15b5026d27eb93b0a839c90

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-18 00:45

Reported

2023-01-18 00:48

Platform

win10v2004-20221111-en

Max time kernel

152s

Max time network

157s

Command Line

C:\Windows\Explorer.EXE

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

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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 1828 set thread context of 1032 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 4224 set thread context of 1032 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\colorcpl.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: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\colorcpl.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\autofmt.exe

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

C:\Windows\SysWOW64\colorcpl.exe

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

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

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

Network

Country Destination Domain Proto
N/A 72.21.81.240:80 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 104.80.225.205:443 tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 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 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

Files

memory/2092-132-0x0000000000000000-mapping.dmp

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

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/1828-134-0x0000000000000000-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/1828-137-0x0000000000CA0000-0x0000000000CCF000-memory.dmp

memory/1828-138-0x0000000000E80000-0x00000000011CA000-memory.dmp

memory/1032-140-0x00000000028C0000-0x0000000002970000-memory.dmp

memory/1828-139-0x0000000000C90000-0x0000000000CA0000-memory.dmp

memory/4224-141-0x0000000000000000-mapping.dmp

memory/1828-142-0x0000000000CA0000-0x0000000000CCF000-memory.dmp

memory/4224-143-0x0000000000A60000-0x0000000000A79000-memory.dmp

memory/4224-144-0x00000000005C0000-0x00000000005ED000-memory.dmp

memory/4224-145-0x0000000002760000-0x0000000002AAA000-memory.dmp

memory/1032-146-0x00000000028C0000-0x0000000002970000-memory.dmp

memory/1032-148-0x0000000002970000-0x0000000002A5A000-memory.dmp

memory/4224-147-0x00000000025A0000-0x000000000262F000-memory.dmp

memory/4224-149-0x00000000005C0000-0x00000000005ED000-memory.dmp

memory/1032-150-0x0000000002970000-0x0000000002A5A000-memory.dmp