Analysis Overview
SHA256
ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809
Threat Level: Known bad
The file ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809 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 19:33
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 19:33
Reported
2024-02-06 19:36
Platform
win7-20231215-en
Max time kernel
119s
Max time network
126s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.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\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe
"C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 101.33.47.206:8081 | 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 | 2814acbd607ba47bdbcdf6ac3076ee95 |
| SHA1 | 50ab892071bed2bb2365ca1d4bf5594e71c6b13b |
| SHA256 | 5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67 |
| SHA512 | 34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498 |
memory/760-4-0x00000000003E0000-0x00000000003EA000-memory.dmp
memory/760-7-0x00000000003E0000-0x00000000003EA000-memory.dmp
memory/760-8-0x00000000003E0000-0x00000000003EA000-memory.dmp
memory/760-9-0x00000000003E0000-0x00000000003EA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 19:33
Reported
2024-02-06 19:36
Platform
win10v2004-20231215-en
Max time kernel
91s
Max time network
158s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.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\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe
"C:\Users\Admin\AppData\Local\Temp\ff225c2aacdcf323b4d82471f846bc43a38b28f8d649ee9eb7bbb54f8cda3809.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | udp |
| US | 8.8.8.8:53 | master.etl.desktop.qq.com | udp |
| SG | 101.33.47.206:8081 | oth.eve.mdt.qq.com | tcp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.47.33.101.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| CN | 113.105.95.120:443 | tcp | |
| US | 8.8.8.8:53 | 83.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| CN | 125.39.120.82:443 | tcp |
Files
C:\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
| MD5 | 2814acbd607ba47bdbcdf6ac3076ee95 |
| SHA1 | 50ab892071bed2bb2365ca1d4bf5594e71c6b13b |
| SHA256 | 5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67 |
| SHA512 | 34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498 |