Analysis Overview
SHA256
55113d18c872ce9d9ea3d0076cbd54ddf111a40ed61d1bcf63c94ff256ffd6fa
Threat Level: Known bad
The file 8790ca66f51b006d7326d7bf742f2e50N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-18 15:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-18 15:21
Reported
2024-08-18 15:23
Platform
win10v2004-20240802-en
Max time kernel
118s
Max time network
97s
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\8790ca66f51b006d7326d7bf742f2e50N.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\8790ca66f51b006d7326d7bf742f2e50N.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\8790ca66f51b006d7326d7bf742f2e50N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.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\8790ca66f51b006d7326d7bf742f2e50N.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 3720 wrote to memory of 3092 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3720 wrote to memory of 3092 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3720 wrote to memory of 3092 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3720 wrote to memory of 3092 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3092 wrote to memory of 3424 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 3720 wrote to memory of 3424 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.exe | C:\Windows\Explorer.EXE |
| PID 3720 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.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\8790ca66f51b006d7326d7bf742f2e50N.exe
"C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.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 408 -p 3092 -ip 3092
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3720 -ip 3720
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 932
Network
| Country | Destination | Domain | Proto |
| 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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/3720-1-0x00000000045A0000-0x0000000004BF8000-memory.dmp
memory/3720-2-0x00000000044E0000-0x00000000044E1000-memory.dmp
memory/3720-3-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3720-4-0x00000000045A0000-0x0000000004BF8000-memory.dmp
memory/3720-5-0x00000000044E0000-0x00000000044E1000-memory.dmp
memory/3720-6-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3720-7-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3720-8-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3720-9-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3720-10-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/3424-12-0x0000000001F00000-0x0000000001F06000-memory.dmp
memory/3424-13-0x0000000001F00000-0x0000000001F06000-memory.dmp
memory/3720-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3424-19-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/3720-18-0x00000000057B0000-0x00000000061B0000-memory.dmp
memory/2536-21-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
memory/3720-22-0x00000000057B0000-0x00000000061B0000-memory.dmp
memory/3720-26-0x00000000045A0000-0x0000000004BF8000-memory.dmp
memory/2536-27-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-18 15:21
Reported
2024-08-18 15:23
Platform
win7-20240708-en
Max time kernel
120s
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\1A28F626 = "C:\\Users\\Admin\\AppData\\Roaming\\1A28F626\\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\8790ca66f51b006d7326d7bf742f2e50N.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\8790ca66f51b006d7326d7bf742f2e50N.exe
"C:\Users\Admin\AppData\Local\Temp\8790ca66f51b006d7326d7bf742f2e50N.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/1196-3-0x0000000002E20000-0x0000000002E26000-memory.dmp
memory/1196-1-0x0000000002E20000-0x0000000002E26000-memory.dmp
memory/1196-6-0x0000000002E20000-0x0000000002E26000-memory.dmp
memory/2912-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1168-12-0x0000000000140000-0x0000000000146000-memory.dmp
memory/1080-9-0x0000000000410000-0x0000000000416000-memory.dmp
memory/2088-21-0x0000000000050000-0x0000000000056000-memory.dmp
memory/2036-18-0x00000000022E0000-0x00000000022E6000-memory.dmp
memory/1196-15-0x0000000002E70000-0x0000000002E76000-memory.dmp
memory/2088-27-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2036-31-0x00000000022E0000-0x00000000022E6000-memory.dmp
memory/1168-30-0x0000000000140000-0x0000000000146000-memory.dmp
memory/1080-28-0x0000000000410000-0x0000000000416000-memory.dmp
memory/1196-29-0x0000000002E70000-0x0000000002E76000-memory.dmp
memory/2912-33-0x0000000000260000-0x0000000000266000-memory.dmp