Analysis Overview
SHA256
ace6ac2c8bd347c4d7d1f35259dc2b42be15a79a95d844f7936cdec01818c8a5
Threat Level: Known bad
The file bf6a774ab7ac79e9ca7855c969160d58 was found to be: Known bad.
Malicious Activity Summary
Gozi
Loads dropped DLL
Deletes itself
Executes dropped EXE
UPX packed file
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-11 00:53
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: behavioral2
Detonation Overview
Submitted
2024-03-11 00:53
Reported
2024-03-11 00:56
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
157s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2136 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
| PID 2136 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
| PID 2136 wrote to memory of 2528 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| 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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.20.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
Files
memory/2136-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2136-1-0x0000000001D20000-0x0000000001E53000-memory.dmp
memory/2136-2-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
| MD5 | c6a1277540b0edf7ebc3ef737e58e1a6 |
| SHA1 | 98f2351ad6e24f5cafe8db1090e668e9e0c12b7a |
| SHA256 | 665bc2a30416323e58f930d16a8ef79017c1be88c3e9e1f6d016e4efbd56c447 |
| SHA512 | 4998b1d92bf1bd4b8d13813a4be71466f4a30f5ce4d74525eeb12947bbc9e26f927d5a7ba18f469d090c59c3923528e38138bb130b38dbbf5e26a8e6a336b4e9 |
memory/2136-12-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2528-13-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2528-15-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/2528-14-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2528-20-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2528-21-0x00000000055B0000-0x00000000057DA000-memory.dmp
memory/2528-28-0x0000000000400000-0x00000000008EF000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 00:53
Reported
2024-03-11 00:56
Platform
win7-20240221-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2072 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
| PID 2072 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
| PID 2072 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
| PID 2072 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe | C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
Network
| Country | Destination | Domain | Proto |
| 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 | 172.67.194.101:80 | yxeepsek.net | tcp |
Files
memory/2072-1-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2072-0-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2072-3-0x0000000000260000-0x0000000000393000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
| MD5 | 650b51bfc7040f7f08dc5bd73d5e988c |
| SHA1 | 6b6458fffe727050592d6738395884009606d54a |
| SHA256 | 7d919f403fe2c277e2f4f2ced7bdf09a3d4432850601654db25c9c36aab3b4f7 |
| SHA512 | d1c520d19d1fb8a3ad0441068b7668784d624ecac94519d5674cf7cc1407fbdcca1e859546e6e841091a02abb12a8605521117a901b583a96365e68ee27c8082 |
\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
| MD5 | 9ea1c4e27a2742211c7e3a14515b6d53 |
| SHA1 | 2d77f81061ab8dba931c87ca26b5a8383db7bc93 |
| SHA256 | 41b1bd311afb13674ade163d2eda2d3dadab434b1de6fe15b192e2428adec25b |
| SHA512 | bdb0b8fc78a85ab305dcbe2f1bdcd03bd7d4c8269b31739148810f867634c2d1e4aa197ae67a72824a4cd52b4cb4b07c634938c6dc773e4b9f22a48ad71d8539 |
C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe
| MD5 | c1b22a96a898c80dc8e0f74c0cbfed31 |
| SHA1 | b6d1fd45257e1f8c70db2759c10131f1de509938 |
| SHA256 | d987b17a3803f7ab6eba4e5ad7f1d29432e5ce3d229dd4d30c631232ffd0f2fa |
| SHA512 | f171e68b6b36ee4ecd1873712127e018004a622a0a01e40048d16bb8e6bf2db7382dcd083397ae91e8d2bb975e68f87402cb11d65456b67b645e84eda5163e8d |
memory/2072-13-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2072-15-0x00000000038D0000-0x0000000003DBF000-memory.dmp
memory/2996-17-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2996-16-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2996-18-0x00000000002B0000-0x00000000003E3000-memory.dmp
memory/2996-24-0x00000000032D0000-0x00000000034FA000-memory.dmp
memory/2996-23-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2072-31-0x00000000038D0000-0x0000000003DBF000-memory.dmp
memory/2996-32-0x0000000000400000-0x00000000008EF000-memory.dmp