Analysis Overview
SHA256
19a66fa8aea2a47d1994bd913229c10e2e99f66d44b061415243c42cbc8fbda1
Threat Level: Known bad
The file 86be8e9c11dcf4a3c9054bbd48e5f380N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-19 07:08
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-19 07:08
Reported
2024-08-19 07:10
Platform
win10v2004-20240802-en
Max time kernel
118s
Max time network
120s
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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FC94FCFE = "C:\\Users\\Admin\\AppData\\Roaming\\FC94FCFE\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Windows\Explorer.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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | 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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4460 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4460 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4460 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4460 wrote to memory of 4272 | N/A | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4272 wrote to memory of 3456 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4272 wrote to memory of 2636 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe
"C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4272 -ip 4272
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/4460-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4460-1-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/3456-3-0x00000000003A0000-0x00000000003A6000-memory.dmp
memory/3456-2-0x00000000003A0000-0x00000000003A6000-memory.dmp
memory/3456-6-0x00007FF83A1CD000-0x00007FF83A1CE000-memory.dmp
memory/4272-5-0x0000000077D52000-0x0000000077D53000-memory.dmp
memory/4460-4-0x0000000002250000-0x0000000002C50000-memory.dmp
memory/4272-7-0x00007FF83A130000-0x00007FF83A325000-memory.dmp
memory/3456-8-0x00007FF83A360000-0x00007FF83A361000-memory.dmp
memory/4460-11-0x0000000002250000-0x0000000002C50000-memory.dmp
memory/4460-10-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3456-12-0x00007FF83A340000-0x00007FF83A341000-memory.dmp
memory/4272-14-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
memory/2636-16-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/4272-17-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
memory/2636-19-0x00007FF83A350000-0x00007FF83A351000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-19 07:08
Reported
2024-08-19 07:10
Platform
win7-20240705-en
Max time kernel
119s
Max time network
119s
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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\8D8BF03A = "C:\\Users\\Admin\\AppData\\Roaming\\8D8BF03A\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | 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\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe
"C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.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/3012-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3012-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1196-2-0x00000000029D0000-0x00000000029D6000-memory.dmp
memory/1196-3-0x00000000029D0000-0x00000000029D6000-memory.dmp
memory/1196-4-0x00000000029D0000-0x00000000029D6000-memory.dmp
memory/3012-5-0x0000000001C50000-0x0000000002650000-memory.dmp
memory/2552-11-0x0000000077980000-0x0000000077B29000-memory.dmp
memory/1196-10-0x00000000779D1000-0x00000000779D2000-memory.dmp
memory/2552-9-0x0000000077B7F000-0x0000000077B81000-memory.dmp
memory/2552-8-0x0000000077B7F000-0x0000000077B80000-memory.dmp
memory/2552-7-0x0000000077B80000-0x0000000077B81000-memory.dmp
memory/2552-6-0x0000000000340000-0x0000000000346000-memory.dmp
memory/3012-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3012-13-0x0000000001C50000-0x0000000002650000-memory.dmp
memory/1608-25-0x0000000001D70000-0x0000000001D76000-memory.dmp
memory/1172-28-0x0000000001F90000-0x0000000001F96000-memory.dmp
memory/1100-27-0x00000000779D1000-0x00000000779D2000-memory.dmp
memory/1100-26-0x0000000000490000-0x0000000000496000-memory.dmp
memory/1196-22-0x0000000002980000-0x0000000002986000-memory.dmp
memory/1172-20-0x0000000001F90000-0x0000000001F96000-memory.dmp
memory/1196-29-0x0000000002980000-0x0000000002986000-memory.dmp
memory/1608-30-0x00000000779D1000-0x00000000779D2000-memory.dmp
memory/1608-31-0x0000000001D70000-0x0000000001D76000-memory.dmp
memory/2552-32-0x0000000000340000-0x0000000000346000-memory.dmp