Analysis Overview
SHA256
39e9cb7ea3d74938d9f1daeb24e3540e07e906bdf1280d57020e6401df6cc1b4
Threat Level: Known bad
The file 8a73d26dc3f22b5c46533ed612c7b990N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-17 13:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-17 13:26
Reported
2024-08-17 13:28
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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\7AF449CB = "C:\\Users\\Admin\\AppData\\Roaming\\7AF449CB\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
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\8a73d26dc3f22b5c46533ed612c7b990N.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\8a73d26dc3f22b5c46533ed612c7b990N.exe
"C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.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/1212-3-0x0000000002970000-0x0000000002976000-memory.dmp
memory/1212-6-0x0000000002970000-0x0000000002976000-memory.dmp
memory/1212-1-0x0000000002970000-0x0000000002976000-memory.dmp
memory/2900-4-0x0000000000180000-0x0000000000186000-memory.dmp
memory/1112-9-0x0000000000490000-0x0000000000496000-memory.dmp
memory/1520-18-0x0000000002410000-0x0000000002416000-memory.dmp
memory/1212-15-0x00000000029F0000-0x00000000029F6000-memory.dmp
memory/1176-12-0x00000000003A0000-0x00000000003A6000-memory.dmp
memory/2900-23-0x0000000000270000-0x0000000000276000-memory.dmp
memory/2360-25-0x0000000000400000-0x000000000043F000-memory.dmp
memory/1520-26-0x0000000002410000-0x0000000002416000-memory.dmp
memory/1176-29-0x00000000003A0000-0x00000000003A6000-memory.dmp
memory/1112-28-0x0000000000490000-0x0000000000496000-memory.dmp
memory/1212-27-0x00000000029F0000-0x00000000029F6000-memory.dmp
memory/2900-31-0x0000000000270000-0x0000000000276000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-17 13:26
Reported
2024-08-17 13:28
Platform
win10v2004-20240802-en
Max time kernel
115s
Max time network
104s
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\8a73d26dc3f22b5c46533ed612c7b990N.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\8a73d26dc3f22b5c46533ed612c7b990N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.exe | N/A |
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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.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 |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.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 2036 wrote to memory of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2036 wrote to memory of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2036 wrote to memory of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2036 wrote to memory of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3200 wrote to memory of 3464 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 2036 wrote to memory of 3464 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.exe | C:\Windows\Explorer.EXE |
| PID 2036 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.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\8a73d26dc3f22b5c46533ed612c7b990N.exe
"C:\Users\Admin\AppData\Local\Temp\8a73d26dc3f22b5c46533ed612c7b990N.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 360 -p 3200 -ip 3200
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2036 -ip 2036
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 864
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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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 | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| 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 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/2036-1-0x0000000004640000-0x0000000004C98000-memory.dmp
memory/2036-2-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/2036-3-0x0000000004640000-0x0000000004C98000-memory.dmp
memory/2036-4-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/2036-5-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/2036-6-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/2036-7-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/2036-8-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/3464-10-0x0000000001100000-0x0000000001106000-memory.dmp
memory/3464-11-0x0000000001100000-0x0000000001106000-memory.dmp
memory/2036-12-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3464-17-0x0000000001170000-0x0000000001176000-memory.dmp
memory/2036-16-0x0000000005750000-0x0000000006150000-memory.dmp
memory/2644-19-0x0000000000EF0000-0x0000000000EF6000-memory.dmp
memory/2036-20-0x0000000005750000-0x0000000006150000-memory.dmp
memory/2036-24-0x0000000004640000-0x0000000004C98000-memory.dmp
memory/2644-25-0x0000000000EF0000-0x0000000000EF6000-memory.dmp