Analysis Overview
SHA256
bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29
Threat Level: Known bad
The file bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29 was found to be: Known bad.
Malicious Activity Summary
WSHRAT payload
WSHRAT
Blocklisted process makes network request
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Script User-Agent
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-18 09:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-18 09:50
Reported
2023-07-18 09:53
Platform
win10-20230703-en
Max time kernel
143s
Max time network
152s
Command Line
Signatures
WSHRAT
WSHRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XcJBL.vbs | C:\Windows\SysWOW64\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XcJBL.vbs | C:\Windows\SysWOW64\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\software\microsoft\windows\currentversion\run | C:\Windows\SysWOW64\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\Software\Microsoft\Windows\CurrentVersion\Run\XcJBL = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\XcJBL.vbs\"" | C:\Windows\SysWOW64\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\WOW6432Node\microsoft\windows\currentversion\run | C:\Windows\SysWOW64\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XcJBL = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\XcJBL.vbs\"" | C:\Windows\SysWOW64\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
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4404 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29.exe | C:\Windows\SysWOW64\wscript.exe |
| PID 4404 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29.exe | C:\Windows\SysWOW64\wscript.exe |
| PID 4404 wrote to memory of 2924 | N/A | C:\Users\Admin\AppData\Local\Temp\bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29.exe | C:\Windows\SysWOW64\wscript.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29.exe
"C:\Users\Admin\AppData\Local\Temp\bfffba7e6f2b39c8c465c75738d3393bffa25873f0ce255183deada13c04fe29.exe"
C:\Windows\SysWOW64\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\XcJBL.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | astatech-cn.com | udp |
| GB | 185.38.151.11:80 | astatech-cn.com | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 8.8.8.8:53 | 11.151.38.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.222.90.45.in-addr.arpa | udp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 8.8.8.8:53 | 203.151.224.20.in-addr.arpa | udp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 8.8.8.8:53 | 9.57.101.20.in-addr.arpa | udp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 8.8.8.8:53 | 50.192.11.51.in-addr.arpa | udp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
| US | 45.90.222.131:7121 | 45.90.222.131 | tcp |
Files
memory/4404-122-0x0000000000C20000-0x0000000000CAA000-memory.dmp
memory/4404-123-0x0000000074010000-0x00000000746FE000-memory.dmp
C:\Users\Admin\AppData\Roaming\XcJBL.vbs
| MD5 | c437bda2e3045d21e7300dd3bb844cbb |
| SHA1 | 89fda9b463529b2309b8e1bd859f0cdeb2a8203f |
| SHA256 | 418839201445990cb7a747fe696d8b8377dcbef9378989c639d2c5a23da3d7fa |
| SHA512 | d3de6c2cc4093478c65fa2a889b92d9a2ea3c6cc85edb5bd3b861bde2114fec2892236a41331998ea2bf48dd4b367d84d77cc46022e6d9cf7d30e90d09edecb8 |
memory/4404-127-0x0000000074010000-0x00000000746FE000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XcJBL.vbs
| MD5 | c437bda2e3045d21e7300dd3bb844cbb |
| SHA1 | 89fda9b463529b2309b8e1bd859f0cdeb2a8203f |
| SHA256 | 418839201445990cb7a747fe696d8b8377dcbef9378989c639d2c5a23da3d7fa |
| SHA512 | d3de6c2cc4093478c65fa2a889b92d9a2ea3c6cc85edb5bd3b861bde2114fec2892236a41331998ea2bf48dd4b367d84d77cc46022e6d9cf7d30e90d09edecb8 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KFR0RUGG\json[1].json
| MD5 | 149c2823b7eadbfb0a82388a2ab9494f |
| SHA1 | 415fe979ce5fd0064d2557a48745a3ed1a3fbf9c |
| SHA256 | 06fa5d4e7fbfb1efdc19baa034601a894b21cf729785732853ced4bb40aca869 |
| SHA512 | f8fb6b7c93c4ab37f6e250ba8ac5c82f6e17fe52156cab81d34e91107d1da716b744bfe02ee0306497a3876d5352af789a1e66dab10e11e22065bac3050475fe |