Analysis Overview
SHA256
79f4f4b21168d2a6d9809274457c9cee776f0526afc6262a9fbbdb6b3c4cd854
Threat Level: Shows suspicious behavior
The file dd5e67d361f44d48c23605fcf9df6e83 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Enumerates connected drives
Installs/modifies Browser Helper Object
Drops autorun.inf file
Drops file in Program Files directory
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 05:40
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 05:40
Reported
2024-03-25 05:42
Platform
win7-20240215-en
Max time kernel
121s
Max time network
121s
Command Line
Signatures
UPX packed file
| 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 |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\E: | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File opened (read-only) | \??\E: | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9963387B-212E-4643-B207-82DAEA0E713D} | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | \??\E:\AutoRun.Inf | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | \??\E:\AutoRun.Inf | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Sy_Win7k.Jmp | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Sy_Win7k.Jmp | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Wn_Sys8x.Sys | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D} | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\ | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\Wn_Sys8x.Sys" | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2404 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
| PID 2404 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
| PID 2404 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
| PID 2404 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe
"C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe"
C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe
"C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe" Z
Network
Files
memory/2404-0-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2404-1-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2420-2-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2420-3-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 05:40
Reported
2024-03-25 05:42
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
UPX packed file
| 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 |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\E: | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File opened (read-only) | \??\E: | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9963387B-212E-4643-B207-82DAEA0E713D} | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | \??\E:\AutoRun.Inf | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | \??\E:\AutoRun.Inf | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Sy_Win7k.Jmp | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Wn_Sys8x.Sys | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| File created | C:\Program Files\Internet Explorer\PLUGINS\Sy_Win7k.Jmp | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D} | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\ | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9963387B-212E-4643-B207-82DAEA0E713D}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\Wn_Sys8x.Sys" | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4736 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
| PID 4736 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
| PID 4736 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe | C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe
"C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe"
C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe
"C:\Users\Admin\AppData\Local\Temp\dd5e67d361f44d48c23605fcf9df6e83.exe" Z
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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| 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 |
| GB | 96.17.178.176:80 | tcp |
Files
memory/4736-0-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4736-1-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2180-2-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2180-3-0x0000000000400000-0x000000000041B000-memory.dmp