Analysis Overview
SHA256
7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a
Threat Level: Known bad
The file 7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe was found to be: Known bad.
Malicious Activity Summary
Tinba family
Tinba / TinyBanker
Adds Run key to start application
UPX packed file
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-20 20:29
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
2024-11-20 20:29
Reported
2024-11-20 20:32
Platform
win7-20241010-en
Max time kernel
119s
Max time network
124s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\B2379037 = "C:\\Users\\Admin\\AppData\\Roaming\\B2379037\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.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\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe
"C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.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/2208-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2208-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1240-4-0x0000000002260000-0x0000000002266000-memory.dmp
memory/1240-3-0x0000000002260000-0x0000000002266000-memory.dmp
memory/1240-2-0x0000000002260000-0x0000000002266000-memory.dmp
memory/2208-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp
memory/2844-6-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2844-7-0x00000000777E0000-0x00000000777E1000-memory.dmp
memory/2844-8-0x00000000777DF000-0x00000000777E0000-memory.dmp
memory/2844-9-0x00000000777DF000-0x00000000777E1000-memory.dmp
memory/2844-11-0x00000000775E0000-0x0000000077789000-memory.dmp
memory/1240-10-0x0000000077631000-0x0000000077632000-memory.dmp
memory/2208-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2208-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp
memory/1204-19-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1204-27-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1104-26-0x0000000077631000-0x0000000077632000-memory.dmp
memory/1240-30-0x0000000002240000-0x0000000002246000-memory.dmp
memory/1364-29-0x0000000077631000-0x0000000077632000-memory.dmp
memory/1364-28-0x0000000001EB0000-0x0000000001EB6000-memory.dmp
memory/1104-25-0x0000000001C60000-0x0000000001C66000-memory.dmp
memory/1364-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp
memory/1240-21-0x0000000002240000-0x0000000002246000-memory.dmp
memory/2844-31-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2844-36-0x00000000001D0000-0x00000000001D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-20 20:29
Reported
2024-11-20 20:32
Platform
win10v2004-20241007-en
Max time kernel
105s
Max time network
109s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1111CFF3 = "C:\\Users\\Admin\\AppData\\Roaming\\1111CFF3\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | 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 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 |
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 2076 wrote to memory of 4888 | N/A | C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2076 wrote to memory of 4888 | N/A | C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2076 wrote to memory of 4888 | N/A | C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2076 wrote to memory of 4888 | N/A | C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4888 wrote to memory of 3436 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4888 wrote to memory of 2956 | 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\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe
"C:\Users\Admin\AppData\Local\Temp\7a20772521bba0f2baf27c4e0ba99ea20f93964958ba6103f3625c5e975e250a.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 4888
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.136.73.23.in-addr.arpa | udp |
Files
memory/2076-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2076-1-0x0000000002170000-0x0000000002171000-memory.dmp
memory/3436-3-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3436-2-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2076-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp
memory/3436-5-0x00007FFA9FC8D000-0x00007FFA9FC8E000-memory.dmp
memory/4888-6-0x00007FFA9FBF0000-0x00007FFA9FDE5000-memory.dmp
memory/2076-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2076-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp
memory/4888-11-0x00000000015A0000-0x00000000015A6000-memory.dmp
memory/2956-13-0x00000000008E0000-0x00000000008E6000-memory.dmp
memory/4888-14-0x00000000015A0000-0x00000000015A6000-memory.dmp