Analysis Overview
SHA256
2507f3526d4419945b1091542eeca79de74602e5cea24b14492fe14be66d7ab5
Threat Level: Known bad
The file #RS00HNAWZ1.iso was found to be: Known bad.
Malicious Activity Summary
WSHRAT
suricata: ET MALWARE WSHRAT CnC Checkin
Vjw0rm
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1
Blocklisted process makes network request
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Creates scheduled task(s)
Script User-Agent
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-27 08:03
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-27 08:03
Reported
2021-09-27 08:06
Platform
win7-en-20210920
Max time kernel
157s
Max time network
156s
Command Line
Signatures
Vjw0rm
WSHRAT
suricata: ET MALWARE WSHRAT CnC Checkin
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1
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 |
| 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 |
| 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 |
| 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 |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\S55OMESZ0S.js | C:\Windows\System32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#RS00HNAWZ1.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#RS00HNAWZ1.js | C:\Windows\system32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\L52ZDTVG87.js | C:\Windows\System32\WScript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\L52ZDTVG87.js | C:\Windows\System32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\S55OMESZ0S.js | C:\Windows\System32\WScript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\S55OMESZ0S = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\S55OMESZ0S.js\"" | C:\Windows\System32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run | 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\L52ZDTVG87 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\L52ZDTVG87.js\"" | C:\Windows\System32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\WScript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\L52ZDTVG87 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\L52ZDTVG87.js\"" | C:\Windows\System32\WScript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\WScript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\L52ZDTVG87 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\L52ZDTVG87.js\"" | C:\Windows\System32\WScript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\S55OMESZ0S = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\S55OMESZ0S.js\"" | C:\Windows\System32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\S55OMESZ0S = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\S55OMESZ0S.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\S55OMESZ0S = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\S55OMESZ0S.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\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\G3VX00GAKU = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\#RS00HNAWZ1.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\System32\WScript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\L52ZDTVG87 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\L52ZDTVG87.js\"" | C:\Windows\System32\wscript.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | WSHRAT|DCE526E0|JZCKHXIN|Admin|Microsoft Windows 7 Ultimate |plus|nan-av|false - 27/9/2021|JavaScript-v3.4|NL:Netherlands | N/A | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\L52ZDTVG87.js"
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\L52ZDTVG87.js"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\S55OMESZ0S.js"
C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\S55OMESZ0S.js"
Network
| Country | Destination | Domain | Proto |
| US | 40.121.49.138:8024 | 40.121.49.138 | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | wwsh427.duckdns.org | udp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | wwsh427.duckdns.org | tcp |
| US | 40.121.133.173:8904 | tcp |
Files
memory/1300-54-0x0000000000000000-mapping.dmp
memory/1160-55-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\L52ZDTVG87.js
| MD5 | 2471491441a6ab34e7647dca6014d354 |
| SHA1 | be879fe6e18938b59642490e53030f4d457d3f1a |
| SHA256 | 34f15ec739df72f5ac245db3fff11ea56407e95b94e24bbb820d7999032866d8 |
| SHA512 | 7f5991b29e091dfcea4b0924f4736e3619e4f9fcc99f66ae18592ba9981ec228f9081a3e9fa86e8d8ba9c93f31ac46394b3cd723679bad8715f31013efe0f7fb |
memory/1692-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\L52ZDTVG87.js
| MD5 | 2471491441a6ab34e7647dca6014d354 |
| SHA1 | be879fe6e18938b59642490e53030f4d457d3f1a |
| SHA256 | 34f15ec739df72f5ac245db3fff11ea56407e95b94e24bbb820d7999032866d8 |
| SHA512 | 7f5991b29e091dfcea4b0924f4736e3619e4f9fcc99f66ae18592ba9981ec228f9081a3e9fa86e8d8ba9c93f31ac46394b3cd723679bad8715f31013efe0f7fb |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\L52ZDTVG87.js
| MD5 | 2471491441a6ab34e7647dca6014d354 |
| SHA1 | be879fe6e18938b59642490e53030f4d457d3f1a |
| SHA256 | 34f15ec739df72f5ac245db3fff11ea56407e95b94e24bbb820d7999032866d8 |
| SHA512 | 7f5991b29e091dfcea4b0924f4736e3619e4f9fcc99f66ae18592ba9981ec228f9081a3e9fa86e8d8ba9c93f31ac46394b3cd723679bad8715f31013efe0f7fb |
memory/1500-60-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\S55OMESZ0S.js
| MD5 | 89163b043aec880959009669fc474944 |
| SHA1 | 3b7c55c3a4c6f4711d426dc27fb8a17e11af3de8 |
| SHA256 | 45bfabe4a6881d0321bac8905924576300aa5e20d502840e9196f5ca5fcf8836 |
| SHA512 | eeb0074471e34becabb94c6ebcf3be3c31f47bbaba8dd9a38fef10c44af16cd08a5fc5bcbd970c1110ed53b409fa90b053e2987298ca0839fc0bed4ebbb654ae |
memory/392-62-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\S55OMESZ0S.js
| MD5 | 89163b043aec880959009669fc474944 |
| SHA1 | 3b7c55c3a4c6f4711d426dc27fb8a17e11af3de8 |
| SHA256 | 45bfabe4a6881d0321bac8905924576300aa5e20d502840e9196f5ca5fcf8836 |
| SHA512 | eeb0074471e34becabb94c6ebcf3be3c31f47bbaba8dd9a38fef10c44af16cd08a5fc5bcbd970c1110ed53b409fa90b053e2987298ca0839fc0bed4ebbb654ae |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\S55OMESZ0S.js
| MD5 | e55f392b5fe43f0c1dca9f37fcc1e9d8 |
| SHA1 | 80cfe0b80d3481b406b40c4c2c32ef0f18a57255 |
| SHA256 | 2e39f4e6d43085989089d29c455a33f9a0d605bd05e2fae1ec1f86ad4309740a |
| SHA512 | 575a3f2160f46bb7ad9444d7c0e044409b2e536d7a33a3d6718ad27cacfee43e30883b0693e3cb92c230c525ffccfa76cda1425da322ca04239f5131fdd74dc6 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K8CH4PHC\json[1].json
| MD5 | 149c2823b7eadbfb0a82388a2ab9494f |
| SHA1 | 415fe979ce5fd0064d2557a48745a3ed1a3fbf9c |
| SHA256 | 06fa5d4e7fbfb1efdc19baa034601a894b21cf729785732853ced4bb40aca869 |
| SHA512 | f8fb6b7c93c4ab37f6e250ba8ac5c82f6e17fe52156cab81d34e91107d1da716b744bfe02ee0306497a3876d5352af789a1e66dab10e11e22065bac3050475fe |
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-27 08:03
Reported
2021-09-27 08:09
Platform
win10v20210408
Max time kernel
111s
Max time network
152s
Command Line
Signatures
Vjw0rm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | 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\#RS00HNAWZ1.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\#RS00HNAWZ1.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\G3VX00GAKU = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\#RS00HNAWZ1.js\"" | C:\Windows\system32\wscript.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 856 wrote to memory of 1136 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 856 wrote to memory of 1136 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\#RS00HNAWZ1.js
Network
| Country | Destination | Domain | Proto |
| US | 40.121.49.138:8024 | 40.121.49.138 | tcp |
Files
memory/1136-114-0x0000000000000000-mapping.dmp