Analysis Overview
SHA256
05a8f963d6f5d95515eebc21af34608ccc5ae92528b9bcb3ee5e25a0497a4d40
Threat Level: Known bad
The file NEAS.b629945c89457faa408981dcdd008f40.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-28 10:44
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
2023-10-28 10:44
Reported
2023-10-28 10:47
Platform
win7-20231020-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\0747E4E2 = "C:\\Users\\Admin\\AppData\\Roaming\\0747E4E2\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spaines.pw | udp |
| US | 216.218.185.162:80 | spaines.pw | tcp |
Files
memory/2160-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2160-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2160-3-0x0000000001CD0000-0x00000000026D0000-memory.dmp
memory/1352-2-0x00000000025A0000-0x00000000025A6000-memory.dmp
memory/824-4-0x0000000000140000-0x0000000000146000-memory.dmp
memory/824-7-0x00000000003F0000-0x0000000000406000-memory.dmp
memory/1352-6-0x00000000025A0000-0x00000000025A6000-memory.dmp
memory/1352-11-0x0000000077731000-0x0000000077732000-memory.dmp
memory/824-10-0x00000000778E0000-0x00000000778E1000-memory.dmp
memory/824-9-0x00000000778DF000-0x00000000778E1000-memory.dmp
memory/824-8-0x00000000778DF000-0x00000000778E0000-memory.dmp
memory/2160-12-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2160-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp
memory/824-15-0x0000000000140000-0x0000000000146000-memory.dmp
memory/824-16-0x0000000000180000-0x0000000000181000-memory.dmp
memory/1152-20-0x00000000003D0000-0x00000000003D6000-memory.dmp
memory/1152-21-0x0000000077731000-0x0000000077732000-memory.dmp
memory/824-23-0x0000000000140000-0x0000000000146000-memory.dmp
memory/1276-25-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1352-26-0x00000000025B0000-0x00000000025B6000-memory.dmp
memory/1352-27-0x00000000025B0000-0x00000000025B6000-memory.dmp
memory/824-31-0x0000000000190000-0x0000000000191000-memory.dmp
memory/1352-32-0x00000000778C0000-0x00000000778C1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-28 10:44
Reported
2023-10-28 10:47
Platform
win10v2004-20231020-en
Max time kernel
12s
Max time network
18s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5E5389CD = "C:\\Users\\Admin\\AppData\\Roaming\\5E5389CD\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2280 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2280 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2280 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2280 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe | C:\Windows\SysWOW64\winver.exe |
| PID 5064 wrote to memory of 3324 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 5064 wrote to memory of 2504 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
| PID 5064 wrote to memory of 2564 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\svchost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.233.99.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/2280-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2280-1-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/3324-2-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/3324-3-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/2280-4-0x0000000002320000-0x0000000002D20000-memory.dmp
memory/5064-5-0x0000000077A92000-0x0000000077A93000-memory.dmp
memory/3324-6-0x00007FFA5E72D000-0x00007FFA5E72E000-memory.dmp
memory/5064-7-0x0000000002D40000-0x0000000002D46000-memory.dmp
memory/2280-8-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2280-9-0x0000000002320000-0x0000000002D20000-memory.dmp
memory/2564-13-0x0000000000C50000-0x0000000000C56000-memory.dmp
memory/2504-15-0x0000000000770000-0x0000000000776000-memory.dmp
memory/3324-16-0x0000000000A40000-0x0000000000A46000-memory.dmp
memory/2832-14-0x0000000000940000-0x0000000000946000-memory.dmp
memory/3496-19-0x0000000000630000-0x0000000000636000-memory.dmp
memory/3688-21-0x0000000000A40000-0x0000000000A46000-memory.dmp