Analysis Overview
SHA256
f0add1bf4907a76440e2ce3ed8caa6e7fbbe291790d98436f825f078bceeb343
Threat Level: Known bad
The file c4131be13937f631d624b3458609b9d2 was found to be: Known bad.
Malicious Activity Summary
Gozi
Loads dropped DLL
UPX packed file
Deletes itself
Executes dropped EXE
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-12 18:38
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
2024-03-12 18:38
Reported
2024-03-12 18:40
Platform
win7-20240215-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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\c4131be13937f631d624b3458609b9d2.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3000 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
| PID 3000 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
| PID 3000 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
| PID 3000 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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/3000-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/3000-1-0x0000000000400000-0x000000000062A000-memory.dmp
memory/3000-2-0x0000000001B20000-0x0000000001C53000-memory.dmp
\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
| MD5 | 780d93f8adc0e9188e005b3d3f0b0fc1 |
| SHA1 | 9809ced7dfbed5e6768b65c60a62e8c9f38e34b4 |
| SHA256 | 1dc9963b1d6ff08246dc5eead04d4573b82df2a7a73686957bb9e3c53ec25fa5 |
| SHA512 | 76baea8b79f74f108e0e788fafd2bebd9bd16c2142ceb75acdcb8f366fd78f609e09c036aabab29e96fbb2122c9d65efe025bf2ed18e90c534cdfdd82647b58d |
memory/3000-14-0x0000000003770000-0x0000000003C5F000-memory.dmp
memory/2136-17-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2136-19-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/2136-16-0x0000000000400000-0x000000000062A000-memory.dmp
memory/3000-13-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2136-23-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2136-24-0x0000000003570000-0x000000000379A000-memory.dmp
memory/2136-31-0x0000000000400000-0x00000000008EF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-12 18:38
Reported
2024-03-12 18:40
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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\c4131be13937f631d624b3458609b9d2.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 396 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
| PID 396 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
| PID 396 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe | C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 172.67.144.180:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 8.8.8.8:53 | 180.144.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 172.67.194.101:80 | yxeepsek.net | tcp |
| US | 8.8.8.8:53 | 29.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.194.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.63.96.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.179.17.96.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 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/396-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/396-1-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/396-2-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe
| MD5 | a16a0081d14799df545eb04ea691fea6 |
| SHA1 | 97f1b3ee73a144b879888f3effcab984a8a9d173 |
| SHA256 | c2b239a4daf0d5b6840931e4325a8358e5e5a6a1d0a576bf2417556c70d1209c |
| SHA512 | 2067e67a8a0dd5655496bc6b42fcc2d09a57535bea3408b338e125a766b22e7fde847ce23b33dd7fd016ec9cee6a51343a07af4393ec101f55ee56bad5dd5cba |
memory/396-12-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2228-14-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2228-15-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2228-13-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/2228-20-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2228-21-0x0000000005580000-0x00000000057AA000-memory.dmp
memory/2228-28-0x0000000000400000-0x00000000008EF000-memory.dmp