Analysis Overview
SHA256
a16a40d0182a87fc6219693ac664286738329222983bd9e70b455f198e124ba2
Threat Level: Likely malicious
The file a16a40d0182a87fc6219693ac664286738329222983bd9e70b455f198e124ba2.zip was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-08 02:26
Signatures
Analysis: behavioral3
Detonation Overview
Submitted
2024-03-08 02:26
Reported
2024-03-08 02:29
Platform
win7-20240221-en
Max time kernel
141s
Max time network
143s
Command Line
Signatures
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\KeyScrambler = "C:\\Users\\Public\\Libraries\\SmileTV\\KeyScrambler.exe" | C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe
"C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe"
Network
| Country | Destination | Domain | Proto |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp |
Files
memory/1984-2-0x0000000000160000-0x0000000000162000-memory.dmp
memory/1984-3-0x0000000000490000-0x00000000004A1000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-03-08 02:26
Reported
2024-03-08 02:29
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KeyScrambler = "C:\\Users\\Public\\Libraries\\SmileTV\\KeyScrambler.exe" | C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4432 wrote to memory of 3400 | N/A | C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4432 wrote to memory of 3400 | N/A | C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4432 wrote to memory of 3400 | N/A | C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe
"C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\Talking_Points_for_China.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 157.109.27.103.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 213.143.182.52.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp |
Files
memory/4432-2-0x0000000000FD0000-0x0000000000FD2000-memory.dmp
memory/4432-3-0x0000000002B90000-0x0000000002BA1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-08 02:26
Reported
2024-03-08 02:29
Platform
win7-20240221-en
Max time kernel
146s
Max time network
149s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\KeyScrambler = "C:\\Users\\Public\\Libraries\\SmileTV\\KeyScrambler.exe" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2012 wrote to memory of 2192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\KeyScramblerIE.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\KeyScramblerIE.dll,#1
Network
| Country | Destination | Domain | Proto |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp |
Files
memory/2192-1-0x0000000000130000-0x0000000000132000-memory.dmp
memory/2192-2-0x0000000000150000-0x0000000000161000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-08 02:26
Reported
2024-03-08 02:29
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KeyScrambler = "C:\\Users\\Public\\Libraries\\SmileTV\\KeyScrambler.exe" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3892 wrote to memory of 828 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3892 wrote to memory of 828 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3892 wrote to memory of 828 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\KeyScramblerIE.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Talking_Points_for_China\KeyScramblerIE.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 157.109.27.103.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| HK | 103.27.109.157:443 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp | |
| HK | 103.27.109.157:443 | tcp |
Files
memory/828-1-0x00000000009B0000-0x00000000009B2000-memory.dmp
memory/828-2-0x0000000000CD0000-0x0000000000CE1000-memory.dmp