Analysis Overview
SHA256
a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e
Threat Level: Known bad
The file a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Tinba family
Adds Run key to start application
UPX packed file
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Suspicious use of UnmapMainImage
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-15 23:47
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-15 23:47
Reported
2024-11-15 23:49
Platform
win7-20240903-en
Max time kernel
118s
Max time network
115s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\E68A7080 = "C:\\Users\\Admin\\AppData\\Roaming\\E68A7080\\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\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.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\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe
"C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.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 |
| US | 8.8.8.8:53 | uyhgqunqkxnx.pw | udp |
| SG | 45.77.249.79:80 | uyhgqunqkxnx.pw | tcp |
| US | 8.8.8.8:53 | vcklmnnejwxx.pw | udp |
| US | 216.218.185.162:80 | vcklmnnejwxx.pw | tcp |
| US | 8.8.8.8:53 | cmnsgscccrej.pw | udp |
| US | 216.218.185.162:80 | cmnsgscccrej.pw | tcp |
| US | 8.8.8.8:53 | evbsdqvgmpph.pw | udp |
| US | 216.218.185.162:80 | evbsdqvgmpph.pw | tcp |
Files
memory/1480-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1480-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1248-3-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1248-4-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1248-2-0x0000000002510000-0x0000000002516000-memory.dmp
memory/3060-9-0x00000000773FF000-0x0000000077401000-memory.dmp
memory/3060-11-0x0000000077200000-0x00000000773A9000-memory.dmp
memory/1248-10-0x0000000077251000-0x0000000077252000-memory.dmp
memory/3060-8-0x00000000773FF000-0x0000000077400000-memory.dmp
memory/3060-7-0x0000000077400000-0x0000000077401000-memory.dmp
memory/3060-6-0x00000000000F0000-0x00000000000F6000-memory.dmp
memory/1480-5-0x0000000001D00000-0x0000000002700000-memory.dmp
memory/1480-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1480-13-0x0000000001D00000-0x0000000002700000-memory.dmp
memory/800-24-0x0000000001BF0000-0x0000000001BF6000-memory.dmp
memory/1248-22-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/800-29-0x0000000077251000-0x0000000077252000-memory.dmp
memory/800-28-0x0000000001BF0000-0x0000000001BF6000-memory.dmp
memory/1248-27-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/1100-26-0x0000000077251000-0x0000000077252000-memory.dmp
memory/1100-25-0x0000000000410000-0x0000000000416000-memory.dmp
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/3060-31-0x00000000000F0000-0x00000000000F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-15 23:47
Reported
2024-11-15 23:50
Platform
win10v2004-20241007-en
Max time kernel
118s
Max time network
98s
Command Line
Signatures
Tinba / TinyBanker
Tinba family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B5419390 = "C:\\Users\\Admin\\AppData\\Roaming\\B5419390\\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:\Windows\SysWOW64\winver.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.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 2724 wrote to memory of 3840 | N/A | C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2724 wrote to memory of 3840 | N/A | C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2724 wrote to memory of 3840 | N/A | C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2724 wrote to memory of 3840 | N/A | C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3840 wrote to memory of 3632 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 3840 wrote to memory of 2612 | 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\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe
"C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3840 -ip 3840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/2724-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2724-1-0x00000000006C0000-0x00000000006C1000-memory.dmp
memory/3632-2-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/3632-3-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/2724-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp
memory/3632-6-0x00007FFCBCC0D000-0x00007FFCBCC0E000-memory.dmp
memory/3840-5-0x00000000774E2000-0x00000000774E3000-memory.dmp
memory/3840-7-0x00007FFCBCB70000-0x00007FFCBCD65000-memory.dmp
memory/3632-8-0x00007FFCBCDA0000-0x00007FFCBCDA1000-memory.dmp
memory/2724-10-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2724-11-0x00000000021E0000-0x0000000002BE0000-memory.dmp
memory/3632-12-0x00007FFCBCD80000-0x00007FFCBCD81000-memory.dmp
memory/3840-14-0x00000000022E0000-0x00000000022E6000-memory.dmp
memory/2612-16-0x0000000000B70000-0x0000000000B76000-memory.dmp
memory/3840-17-0x00000000022E0000-0x00000000022E6000-memory.dmp
memory/2612-18-0x0000000000B70000-0x0000000000B76000-memory.dmp