Malware Analysis Report

2025-05-28 15:55

Sample ID 220922-mkdfxabbh5
Target Wire_payment00121.js
SHA256 b94ffe4623401b130c6d61df228148995ca4c9c5e0549b930da379faaf7ed608
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

b94ffe4623401b130c6d61df228148995ca4c9c5e0549b930da379faaf7ed608

Threat Level: Known bad

The file Wire_payment00121.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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-09-22 10:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-09-22 10:31

Reported

2022-09-22 10:33

Platform

win7-20220901-en

Max time kernel

144s

Max time network

151s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\Wire_payment00121.js

Signatures

Vjw0rm

trojan worm vjw0rm

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\logo = "C:\\Program Files\\Java\\jre7\\bin\\javaw -jar \"C:\\Users\\Admin\\AppData\\Local\\Temp\\logo670358334554939628.jar\"" C:\Program Files\Java\jre7\bin\javaw.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Java\jre7\bin\javaw.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\Wire_payment00121.js

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\xdkSHVkGHl.js"

C:\Program Files\Java\jre7\bin\javaw.exe

"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\vkuilxi.txt"

C:\Program Files\Java\jre7\bin\javaw.exe

"C:\Program Files\Java\jre7\bin\javaw" -jar "C:\Users\Admin\AppData\Local\Temp\logo670358334554939628.jar"

Network

Country Destination Domain Proto
US 8.8.8.8:53 javaautorun.duia.ro udp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
US 8.8.8.8:53 severdops.ddns.net udp
US 208.67.106.143:9724 severdops.ddns.net tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp

Files

memory/1364-54-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

memory/948-55-0x0000000000000000-mapping.dmp

memory/1296-57-0x0000000000000000-mapping.dmp

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

MD5 3f105e8206e44ccdd4dece8261834b92
SHA1 95b3f3ab53aff4ac98e4e617ab3176a661ec3030
SHA256 aa73976ca89d1e98b4032da92adb7229d90f14b7f649443b87205a0b542bed75
SHA512 7c4f203852623c7dcf15b780487a42bdcde25855aac5061813af59cf36f8379d429e917e0f7704176104f62e562e3b6c552197db7b229fef50a561acec85267f

C:\Users\Admin\AppData\Roaming\vkuilxi.txt

MD5 59752f841ad1eac6caa86af34a5ae05f
SHA1 e0e64838635f83cc207abada5b6301cb136b85dc
SHA256 c0d3b3af1c8133018422f65bcce05864d0f8f446f8ed7c6adafb6832d7be0a85
SHA512 675ed6a022d62a0bd81500bd5592be7373a13f67f26367ad2f4a3ee18fe01a8d3171a759e99bf00db7145ac8b6509c99bd8a3e3da98aaef7253a951d2a5c3431

memory/1296-70-0x0000000002030000-0x0000000005030000-memory.dmp

memory/1388-71-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\logo670358334554939628.jar

MD5 fca3dc4c73f67ec888aafc37a4464739
SHA1 2511a3e134f2c64e1f94fefc44db06523debdaf9
SHA256 a233f20270742df1df1b135933a9155602802e459a663393b1a34c99496ae916
SHA512 f48b2604772384a0c2c070fd9c76d78d542132a63ebf0e5ba457689d12ea7c5026b52a9cdbd093746dc1d1a2b255095a9e60cd4f8a9dda8852e4436050273831

memory/1388-83-0x0000000002250000-0x0000000005250000-memory.dmp

memory/1388-89-0x00000000001D0000-0x00000000001DA000-memory.dmp

memory/1388-88-0x00000000001D0000-0x00000000001DA000-memory.dmp

memory/1388-90-0x0000000002250000-0x0000000005250000-memory.dmp

memory/1388-91-0x00000000001D0000-0x00000000001DA000-memory.dmp

memory/1388-92-0x00000000001D0000-0x00000000001DA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-09-22 10:31

Reported

2022-09-22 10:33

Platform

win10v2004-20220812-en

Max time kernel

148s

Max time network

153s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\Wire_payment00121.js

Signatures

Vjw0rm

trojan worm vjw0rm

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

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\logo = "C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw -jar \"C:\\Users\\Admin\\AppData\\Local\\Temp\\logo3856353070004354294.jar\"" C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings C:\Windows\system32\wscript.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\Wire_payment00121.js

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\xdkSHVkGHl.js"

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe

"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wjrvkex.txt"

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe

"C:\Program Files\Java\jre1.8.0_66\bin\javaw" -jar "C:\Users\Admin\AppData\Local\Temp\logo3856353070004354294.jar"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 javaautorun.duia.ro udp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
US 8.8.8.8:53 severdops.ddns.net udp
US 208.67.106.143:9724 severdops.ddns.net tcp
DE 51.116.253.168:443 tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 104.80.225.205:443 tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
US 93.184.220.29:80 tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp
CH 91.192.100.8:5432 javaautorun.duia.ro tcp

Files

memory/2988-132-0x0000000000000000-mapping.dmp

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

MD5 3f105e8206e44ccdd4dece8261834b92
SHA1 95b3f3ab53aff4ac98e4e617ab3176a661ec3030
SHA256 aa73976ca89d1e98b4032da92adb7229d90f14b7f649443b87205a0b542bed75
SHA512 7c4f203852623c7dcf15b780487a42bdcde25855aac5061813af59cf36f8379d429e917e0f7704176104f62e562e3b6c552197db7b229fef50a561acec85267f

memory/4784-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\wjrvkex.txt

MD5 59752f841ad1eac6caa86af34a5ae05f
SHA1 e0e64838635f83cc207abada5b6301cb136b85dc
SHA256 c0d3b3af1c8133018422f65bcce05864d0f8f446f8ed7c6adafb6832d7be0a85
SHA512 675ed6a022d62a0bd81500bd5592be7373a13f67f26367ad2f4a3ee18fe01a8d3171a759e99bf00db7145ac8b6509c99bd8a3e3da98aaef7253a951d2a5c3431

memory/4784-140-0x00000000026C0000-0x00000000036C0000-memory.dmp

memory/4784-146-0x00000000026C0000-0x00000000036C0000-memory.dmp

memory/1672-147-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\logo3856353070004354294.jar

MD5 fca3dc4c73f67ec888aafc37a4464739
SHA1 2511a3e134f2c64e1f94fefc44db06523debdaf9
SHA256 a233f20270742df1df1b135933a9155602802e459a663393b1a34c99496ae916
SHA512 f48b2604772384a0c2c070fd9c76d78d542132a63ebf0e5ba457689d12ea7c5026b52a9cdbd093746dc1d1a2b255095a9e60cd4f8a9dda8852e4436050273831

C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

MD5 5fd00f4882ffad65530dbc44424b4ed5
SHA1 421e76ccd92dd52a0b0c857ca8cd9956f0b4f310
SHA256 60483f621fbbadcbb348498d9b15caa888112bad8b3b5c92207c44c8f02c01ee
SHA512 fa0bbd2b85d274107ee305f147ef32722f44684f1644838be2a334daead074b58ea49043ea910e10c0aa844ccd12bb1340bbef279ef6526d6b33f93e7ae6ea0f

memory/1672-160-0x0000000002770000-0x0000000003770000-memory.dmp

memory/1672-161-0x0000000002770000-0x0000000003770000-memory.dmp

memory/1672-163-0x0000000002770000-0x0000000003770000-memory.dmp

memory/1672-164-0x0000000002770000-0x0000000003770000-memory.dmp