Analysis Overview
SHA256
903d5a14cff6031c29be5e4e4273afc59348601a94fc5a99caeefddf2ac34cbc
Threat Level: Known bad
The file 8f38c7fea478d2005453d4c271c3393f was found to be: Known bad.
Malicious Activity Summary
Gozi
Deletes itself
UPX packed file
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-04 13:06
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-04 13:06
Reported
2024-02-04 13:09
Platform
win7-20231215-en
Max time kernel
122s
Max time network
157s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
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 |
| N/A | N/A | N/A | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2784 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
| PID 2784 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
| PID 2784 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
| PID 2784 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
"C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe"
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 172.67.144.180:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 172.67.194.101:80 | yxeepsek.net | tcp |
Files
memory/2784-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2784-1-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2784-3-0x0000000001B20000-0x0000000001C53000-memory.dmp
\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
| MD5 | 01d6b3174ff9c8255ceb29efc8bd6ed4 |
| SHA1 | dab597edfec1c8189c7ef627a277af16bea7954a |
| SHA256 | 2aa0fe3a14bdbe76e6f1b86b6045db06e0ec069acab3e0570b37ac4efc04fcb4 |
| SHA512 | da0c67d08020f5df8f5a7214e5bea0f48661f21563bcdd2c3d79e091e92f338e4ea49a26eff54a5c3bb3613fa1d586591be6c245e322f4c3f95d0251f4944675 |
memory/2784-14-0x0000000003DD0000-0x00000000042BF000-memory.dmp
memory/2784-15-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2836-17-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2836-19-0x0000000001B20000-0x0000000001C53000-memory.dmp
memory/2836-16-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
| MD5 | 3e88291824226818b00eed7ed47c5869 |
| SHA1 | 9df1c3cd2a337d2abe646cddcc6d6c65d5e16afe |
| SHA256 | 2ccafc5ec598365885a65142bcc70dbd038dd52425a2ade7f889cbe3c80f4ee9 |
| SHA512 | e9aa13ad6dfca2202cf0b5824991008fab4a6795b138a85265ec2d003d8cf8f256e95763585409628ea790f699ac99c40a0afee7f744b887be15f6b11100bffd |
memory/2836-23-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2836-24-0x0000000003410000-0x000000000363A000-memory.dmp
memory/2836-31-0x0000000000400000-0x00000000008EF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-04 13:06
Reported
2024-02-04 13:09
Platform
win10v2004-20231215-en
Max time kernel
92s
Max time network
121s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 436 wrote to memory of 1972 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
| PID 436 wrote to memory of 1972 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
| PID 436 wrote to memory of 1972 | N/A | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe | C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
"C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe"
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 104.21.73.114:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 104.21.20.204:80 | yxeepsek.net | tcp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.20.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
Files
memory/436-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/436-1-0x0000000001D40000-0x0000000001E73000-memory.dmp
memory/436-2-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8f38c7fea478d2005453d4c271c3393f.exe
| MD5 | ed5635a853683923839c336eb0b12a0a |
| SHA1 | 9c5ac315a2b37c805064855ebf42c6314c9df73e |
| SHA256 | 90cbb40a26a01c66ce3d596a6c96b62e1c63e7f11f47108159aa25fdf3df85aa |
| SHA512 | e317b071ce7819626cdc23f1131ae5b764f3dc4d59c8bd813bec27c472c583fa090c55a0a329d430fdbe659fdf51f30b38b4e864500c97831c96256478533249 |
memory/436-12-0x0000000000400000-0x000000000062A000-memory.dmp
memory/1972-14-0x0000000000400000-0x000000000062A000-memory.dmp
memory/1972-13-0x0000000001CC0000-0x0000000001DF3000-memory.dmp
memory/1972-16-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/1972-20-0x0000000000400000-0x000000000061D000-memory.dmp
memory/1972-22-0x00000000055C0000-0x00000000057EA000-memory.dmp
memory/1972-28-0x0000000000400000-0x00000000008EF000-memory.dmp