Analysis Overview
SHA256
9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82
Threat Level: Shows suspicious behavior
The file 9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Enumerates connected drives
Writes to the Master Boot Record (MBR)
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 16:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 16:07
Reported
2024-10-31 16:10
Platform
win7-20240708-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.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\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe
"C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | master.etl.desktop.qq.com | udp |
| US | 8.8.8.8:53 | down.pc.yyb.qq.com | udp |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | udp |
| US | 8.8.8.8:53 | oth.eve.mdt.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 | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.206:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| GB | 43.132.64.190:443 | down.pc.yyb.qq.com | tcp |
| GB | 43.132.64.190:443 | down.pc.yyb.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.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 | dccc58e47d693a626fe384b86f3ee094 |
| SHA1 | 2debd41ee7cce88f1ba19768185328a1eed6e841 |
| SHA256 | cf42d5b750058d2fe19016db401ee26f6f2ec51a618f68ed231de88cc23cb50e |
| SHA512 | f00d631c3c8c0d2b54a25aa05dc3b863278859c0a1b96293fd1702c6ac0e5aeb4c5daed4ca7378fc9ca5c8f5918b02a3ba19707fe991bf76766575f109fc6d4f |
memory/1244-4-0x0000000000160000-0x000000000016A000-memory.dmp
memory/1244-5-0x0000000000160000-0x000000000016A000-memory.dmp
memory/1244-18-0x0000000000160000-0x000000000016A000-memory.dmp
memory/1244-17-0x0000000000160000-0x000000000016A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabF5D6.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarF5E8.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 16:07
Reported
2024-10-31 16:10
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
139s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.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\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe
"C:\Users\Admin\AppData\Local\Temp\9445db62b83c4c8b11ea3f797152184327179b4ace61f2a91932095e2e513b82.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | oth.eve.mdt.qq.com | udp |
| US | 8.8.8.8:53 | down.pc.yyb.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 |
| GB | 43.132.64.190:443 | down.pc.yyb.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.64.132.43.in-addr.arpa | udp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| SG | 101.33.47.68:8081 | oth.eve.mdt.qq.com | tcp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.47.33.101.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| CN | 157.255.4.39:443 | master.etl.desktop.qq.com | tcp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| CN | 113.105.95.120:443 | tcp | |
| CN | 125.39.120.82:443 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll
| MD5 | dccc58e47d693a626fe384b86f3ee094 |
| SHA1 | 2debd41ee7cce88f1ba19768185328a1eed6e841 |
| SHA256 | cf42d5b750058d2fe19016db401ee26f6f2ec51a618f68ed231de88cc23cb50e |
| SHA512 | f00d631c3c8c0d2b54a25aa05dc3b863278859c0a1b96293fd1702c6ac0e5aeb4c5daed4ca7378fc9ca5c8f5918b02a3ba19707fe991bf76766575f109fc6d4f |