Analysis Overview
SHA256
2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd
Threat Level: Known bad
The file 2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd was found to be: Known bad.
Malicious Activity Summary
Vjw0rm
WSHRAT
Blocklisted process makes network request
Drops startup file
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Script User-Agent
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-28 07:20
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-28 07:20
Reported
2023-03-28 07:23
Platform
win7-20230220-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Vjw0rm
WSHRAT
Blocklisted process makes network request
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js | C:\Windows\system32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yrZYEAjDyF.js | C:\Windows\System32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yrZYEAjDyF.js | C:\Windows\System32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
Enumerates physical storage devices
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|706EFC06|TMRJMUQF|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1084 wrote to memory of 1120 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 1084 wrote to memory of 1120 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 1084 wrote to memory of 1120 | 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\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\yrZYEAjDyF.js"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rookfellas.mrbasic.com | udp |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | tcp |
Files
C:\Users\Admin\AppData\Roaming\yrZYEAjDyF.js
| MD5 | 4e08cafb44979a23ed156eb84253251f |
| SHA1 | f5b099091b50cae50afc3c857aaa52c74a73ed8d |
| SHA256 | f99e8a6ec4548cb1b24be2e2179926d113d17a1645f95f95211bcded86c3a9df |
| SHA512 | 24a4dc0f1526a21585b12a33caddce44b2f4bd0de55c2ae32ada292dab022cd2070eefd3955f6b4b2e70955caafdf6bba96add5a1d2b7d17189f9d32848a9235 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js
| MD5 | 7bfa30c168b4a5dda79908ba88afb1f4 |
| SHA1 | 5baf4ac9e0803e69add06a558dc2e5de9d2b9cb5 |
| SHA256 | 2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd |
| SHA512 | 0af7774c5a4d06cbe890fa94d3a7d7b1bf135372cd2bcc91e7018b4542c5eae86f82245189b7c9798f50d2604908e75b556fe2f18b692dc8585d4139f36630ca |
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-28 07:20
Reported
2023-03-28 07:23
Platform
win10v2004-20230220-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
Vjw0rm
WSHRAT
Blocklisted process makes network request
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yrZYEAjDyF.js | C:\Windows\System32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js | C:\Windows\system32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yrZYEAjDyF.js | C:\Windows\System32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\software\microsoft\windows\currentversion\run | C:\Windows\system32\wscript.exe | N/A |
Enumerates physical storage devices
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
| HTTP User-Agent header | WSHRAT|10B1D74F|TLGENAJY|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 28/3/2023|JavaScript | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3708 wrote to memory of 3340 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\wscript.exe |
| PID 3708 wrote to memory of 3340 | 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\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\yrZYEAjDyF.js"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | javaautorun.duia.ro | udp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rookfellas.mrbasic.com | udp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| US | 8.8.8.8:53 | 233.32.42.193.in-addr.arpa | udp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| US | 20.44.10.122:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| NL | 8.238.179.126:80 | tcp | |
| NL | 8.238.179.126:80 | tcp | |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| US | 52.152.110.14:443 | tcp | |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| US | 52.152.110.14:443 | tcp | |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
| US | 52.152.110.14:443 | tcp | |
| BG | 193.42.32.233:9202 | rookfellas.mrbasic.com | tcp |
| EE | 91.193.75.131:5449 | javaautorun.duia.ro | tcp |
Files
C:\Users\Admin\AppData\Roaming\yrZYEAjDyF.js
| MD5 | 4e08cafb44979a23ed156eb84253251f |
| SHA1 | f5b099091b50cae50afc3c857aaa52c74a73ed8d |
| SHA256 | f99e8a6ec4548cb1b24be2e2179926d113d17a1645f95f95211bcded86c3a9df |
| SHA512 | 24a4dc0f1526a21585b12a33caddce44b2f4bd0de55c2ae32ada292dab022cd2070eefd3955f6b4b2e70955caafdf6bba96add5a1d2b7d17189f9d32848a9235 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd.js
| MD5 | 7bfa30c168b4a5dda79908ba88afb1f4 |
| SHA1 | 5baf4ac9e0803e69add06a558dc2e5de9d2b9cb5 |
| SHA256 | 2141c93c89f63436f7408c446303f12a1cb9607b7d6d32f1a80e2bdc2d02defd |
| SHA512 | 0af7774c5a4d06cbe890fa94d3a7d7b1bf135372cd2bcc91e7018b4542c5eae86f82245189b7c9798f50d2604908e75b556fe2f18b692dc8585d4139f36630ca |