Analysis Overview
SHA256
8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593
Threat Level: Known bad
The file 8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Tinba family
Adds Run key to start application
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 09:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 09:07
Reported
2024-11-06 09:09
Platform
win7-20241023-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\85DA0A87 = "C:\\Users\\Admin\\AppData\\Roaming\\85DA0A87\\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\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.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\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe
"C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.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/108-0-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1188-3-0x00000000025C0000-0x00000000025C6000-memory.dmp
memory/1188-2-0x00000000025C0000-0x00000000025C6000-memory.dmp
memory/1188-1-0x00000000025C0000-0x00000000025C6000-memory.dmp
memory/108-4-0x0000000001D00000-0x0000000002700000-memory.dmp
memory/2540-5-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/2540-10-0x0000000077160000-0x0000000077309000-memory.dmp
memory/1188-9-0x00000000771B1000-0x00000000771B2000-memory.dmp
memory/2540-8-0x000000007735F000-0x0000000077361000-memory.dmp
memory/2540-7-0x000000007735F000-0x0000000077360000-memory.dmp
memory/2540-6-0x0000000077360000-0x0000000077361000-memory.dmp
memory/108-11-0x0000000000400000-0x000000000041A000-memory.dmp
memory/108-12-0x0000000001D00000-0x0000000002700000-memory.dmp
memory/1232-30-0x00000000771B1000-0x00000000771B2000-memory.dmp
memory/1232-29-0x0000000002380000-0x0000000002386000-memory.dmp
memory/1188-28-0x0000000002570000-0x0000000002576000-memory.dmp
memory/1108-27-0x00000000771B1000-0x00000000771B2000-memory.dmp
memory/1108-26-0x0000000001F10000-0x0000000001F16000-memory.dmp
memory/1160-25-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/1232-24-0x0000000002380000-0x0000000002386000-memory.dmp
memory/1188-22-0x0000000002570000-0x0000000002576000-memory.dmp
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/2540-31-0x00000000001A0000-0x00000000001A6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 09:07
Reported
2024-11-06 09:09
Platform
win10v2004-20241007-en
Max time kernel
118s
Max time network
101s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F6AC7E3C = "C:\\Users\\Admin\\AppData\\Roaming\\F6AC7E3C\\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:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.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 |
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 2216 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2216 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2216 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2216 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2900 wrote to memory of 3436 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 2900 wrote to memory of 2972 | 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\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe
"C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2900 -ip 2900
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.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 | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2216-0-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/3436-1-0x0000000001130000-0x0000000001136000-memory.dmp
memory/3436-2-0x0000000001130000-0x0000000001136000-memory.dmp
memory/3436-5-0x00007FFDA384D000-0x00007FFDA384E000-memory.dmp
memory/2216-3-0x0000000002280000-0x0000000002C80000-memory.dmp
memory/2900-4-0x00000000772D2000-0x00000000772D3000-memory.dmp
memory/2900-6-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp
memory/3436-7-0x00007FFDA39E0000-0x00007FFDA39E1000-memory.dmp
memory/2216-8-0x0000000000400000-0x000000000041A000-memory.dmp
memory/2216-9-0x0000000002280000-0x0000000002C80000-memory.dmp
memory/3436-10-0x00007FFDA39C0000-0x00007FFDA39C1000-memory.dmp
memory/2900-12-0x0000000000E60000-0x0000000000E66000-memory.dmp
memory/2972-14-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/2900-15-0x0000000000E60000-0x0000000000E66000-memory.dmp
memory/2972-17-0x00007FFDA39D0000-0x00007FFDA39D1000-memory.dmp