Analysis Overview
SHA256
811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242
Threat Level: Known bad
The file 811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242 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 21:37
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 21:37
Reported
2024-02-06 21:41
Platform
win7-20231215-en
Max time kernel
118s
Max time network
121s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.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\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe
"C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | 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 |
| SG | 101.33.47.68:8081 | 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/1852-4-0x0000000000120000-0x000000000012A000-memory.dmp
memory/1852-5-0x0000000000120000-0x000000000012A000-memory.dmp
memory/1852-10-0x0000000000120000-0x000000000012A000-memory.dmp
memory/1852-11-0x0000000000120000-0x000000000012A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 21:37
Reported
2024-02-06 21:41
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
151s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.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\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.exe
"C:\Users\Admin\AppData\Local\Temp\811c0129fb0ae18463f1dcf1756632a0796be2bfb948ecbc8f24a4fe4c9bb242.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 |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 199.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.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 |
| NL | 52.142.223.178:80 | tcp | |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 0.205.248.87.in-addr.arpa | udp |
| CN | 125.39.120.82:443 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
| MD5 | 2814acbd607ba47bdbcdf6ac3076ee95 |
| SHA1 | 50ab892071bed2bb2365ca1d4bf5594e71c6b13b |
| SHA256 | 5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67 |
| SHA512 | 34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498 |