Analysis Overview
SHA256
ac96f1c6b055b998b761e7ccc4060e325d4b18c8b9c035f832ea36064e581f63
Threat Level: Known bad
The file b43aac7739ee859b9564fafb87371eaa 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 WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-20 12:45
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
2023-12-20 12:45
Reported
2023-12-21 00:09
Platform
win7-20231215-en
Max time kernel
152s
Max time network
177s
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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\FF04C29D = "C:\\Users\\Admin\\AppData\\Roaming\\FF04C29D\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe
"C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe"
C:\Windows\system32\taskhost.exe
"taskhost.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/2080-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2080-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2080-3-0x0000000001C90000-0x0000000002690000-memory.dmp
memory/1320-2-0x0000000002730000-0x0000000002736000-memory.dmp
memory/2716-4-0x0000000000090000-0x0000000000096000-memory.dmp
memory/1320-7-0x0000000002730000-0x0000000002736000-memory.dmp
memory/1320-10-0x0000000077841000-0x0000000077842000-memory.dmp
memory/2716-9-0x00000000779F0000-0x00000000779F1000-memory.dmp
memory/2716-8-0x00000000779EF000-0x00000000779F1000-memory.dmp
memory/2716-6-0x00000000779EF000-0x00000000779F0000-memory.dmp
memory/2716-11-0x00000000003A0000-0x00000000003B6000-memory.dmp
memory/2080-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2080-13-0x0000000001C90000-0x0000000002690000-memory.dmp
memory/2716-16-0x0000000000180000-0x0000000000181000-memory.dmp
memory/2716-15-0x0000000000090000-0x0000000000096000-memory.dmp
memory/1268-21-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1320-27-0x0000000002710000-0x0000000002716000-memory.dmp
memory/1268-26-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1164-25-0x0000000077841000-0x0000000077842000-memory.dmp
memory/1164-24-0x0000000001BC0000-0x0000000001BC6000-memory.dmp
memory/1320-23-0x0000000002710000-0x0000000002716000-memory.dmp
memory/2716-31-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2716-32-0x0000000000090000-0x0000000000096000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-20 12:45
Reported
2023-12-21 00:09
Platform
win10v2004-20231215-en
Max time kernel
24s
Max time network
34s
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\63A77750 = "C:\\Users\\Admin\\AppData\\Roaming\\63A77750\\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 2944 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2944 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2944 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2944 wrote to memory of 2396 | N/A | C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2396 wrote to memory of 3560 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 2396 wrote to memory of 2684 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\svchost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe
"C:\Users\Admin\AppData\Local\Temp\b43aac7739ee859b9564fafb87371eaa.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
Files
memory/2944-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2944-1-0x00000000005D0000-0x00000000005D1000-memory.dmp
memory/2944-2-0x0000000002260000-0x0000000002C60000-memory.dmp
memory/3560-5-0x0000000000B60000-0x0000000000B66000-memory.dmp
memory/2396-4-0x0000000002990000-0x0000000002996000-memory.dmp
memory/3560-7-0x00007FFA3AC2D000-0x00007FFA3AC2E000-memory.dmp
memory/2396-6-0x0000000077B02000-0x0000000077B03000-memory.dmp
memory/3560-3-0x0000000000B60000-0x0000000000B66000-memory.dmp
memory/2944-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2944-9-0x0000000002260000-0x0000000002C60000-memory.dmp
memory/2396-11-0x0000000002990000-0x0000000002996000-memory.dmp
memory/2692-13-0x0000000000E20000-0x0000000000E26000-memory.dmp
memory/2684-15-0x0000000000190000-0x0000000000196000-memory.dmp
memory/2692-17-0x0000000000E20000-0x0000000000E26000-memory.dmp
memory/3560-16-0x00000000008D0000-0x00000000008D6000-memory.dmp
memory/2848-14-0x0000000000710000-0x0000000000716000-memory.dmp