Analysis Overview
SHA256
1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e
Threat Level: Known bad
The file 1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e was found to be: Known bad.
Malicious Activity Summary
Gozi family
Loads dropped DLL
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Unsigned PE
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-06 19:36
Signatures
Gozi family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-06 19:36
Reported
2024-02-06 19:41
Platform
win7-20231129-en
Max time kernel
120s
Max time network
128s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe
"C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | master.etl.desktop.qq.com | udp |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| SG | 101.33.47.206:8081 | oth.eve.mdt.qq.com | tcp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| CN | 113.105.95.120:443 | tcp | |
| CN | 125.39.120.82:443 | tcp |
Files
\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
| MD5 | ce349766c1a0bb07fecc68b6a158290d |
| SHA1 | 43e66324a9f8ba43c076f9e97ad0f089ec4ce30d |
| SHA256 | dc8d43605edaec97d0422642c1a13151ccf1b03293fb06c47b638d4fbecfeb1c |
| SHA512 | efeedcfb6e66f75a4ae8d14752987948377e8eb7e9582831dffa3fc89ab368c752598d1def906176242a82af36424d07a2e8da45b7e2639b35b3d4289eee0110 |
memory/2388-9-0x0000000000430000-0x000000000043A000-memory.dmp
memory/2388-8-0x0000000000430000-0x000000000043A000-memory.dmp
memory/2388-10-0x0000000000430000-0x000000000043A000-memory.dmp
memory/2388-11-0x0000000000430000-0x000000000043A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 19:36
Reported
2024-02-06 19:41
Platform
win10v2004-20231222-en
Max time kernel
92s
Max time network
150s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe
"C:\Users\Admin\AppData\Local\Temp\1587374fae0c225f4759611b34e6781e9e15fffe560005151e209b9f8d048e5e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | master.etl.desktop.qq.com | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | udp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| US | 8.8.8.8:53 | 74.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.47.33.101.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| CN | 113.105.95.120:443 | tcp | |
| US | 8.8.8.8:53 | 67.179.17.96.in-addr.arpa | udp |
| CN | 125.39.120.82:443 | tcp | |
| US | 8.8.8.8:53 | 50.179.17.96.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
| MD5 | 2814acbd607ba47bdbcdf6ac3076ee95 |
| SHA1 | 50ab892071bed2bb2365ca1d4bf5594e71c6b13b |
| SHA256 | 5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67 |
| SHA512 | 34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498 |