Analysis Overview
SHA256
3ef01dd76204678308f6e001dc14bf7892f6582ac0255f30e77929c359f8b608
Threat Level: Known bad
The file 85d4c08f11644f140e799ad3e4334820N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Modifies data under HKEY_USERS
Modifies registry class
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-15 04:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-15 04:52
Reported
2024-07-15 04:54
Platform
win7-20240708-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\385784E1 = "C:\\Users\\Admin\\AppData\\Roaming\\385784E1\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
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\85d4c08f11644f140e799ad3e4334820N.exe
"C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 216.218.185.162:80 | elitiorecfreetoo.cc | tcp |
Files
memory/1228-1-0x00000000024F0000-0x00000000024F6000-memory.dmp
memory/2764-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1228-6-0x00000000024F0000-0x00000000024F6000-memory.dmp
memory/1228-3-0x00000000024F0000-0x00000000024F6000-memory.dmp
memory/2764-23-0x0000000000270000-0x0000000000276000-memory.dmp
memory/2044-18-0x0000000001CA0000-0x0000000001CA6000-memory.dmp
memory/1228-15-0x0000000002500000-0x0000000002506000-memory.dmp
memory/1168-12-0x0000000001F90000-0x0000000001F96000-memory.dmp
memory/1112-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2292-25-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2044-29-0x0000000001CA0000-0x0000000001CA6000-memory.dmp
memory/1168-28-0x0000000001F90000-0x0000000001F96000-memory.dmp
memory/1228-27-0x0000000002500000-0x0000000002506000-memory.dmp
memory/1112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2764-31-0x0000000000270000-0x0000000000276000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-15 04:52
Reported
2024-07-15 04:54
Platform
win10v2004-20240709-en
Max time kernel
118s
Max time network
94s
Command Line
Signatures
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" | C:\Windows\System32\svchost.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 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 |
| 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 |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.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 4524 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4524 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4524 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4524 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3916 wrote to memory of 3520 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4524 wrote to memory of 3520 | N/A | C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe
"C:\Users\Admin\AppData\Local\Temp\85d4c08f11644f140e799ad3e4334820N.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3916 -ip 3916
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4524 -ip 4524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 772
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 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/4524-1-0x0000000004670000-0x0000000004CC8000-memory.dmp
memory/4524-2-0x00000000045F0000-0x00000000045F1000-memory.dmp
memory/3520-4-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/3520-5-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4524-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3520-9-0x0000000002B60000-0x0000000002B66000-memory.dmp
memory/4524-12-0x0000000004670000-0x0000000004CC8000-memory.dmp