Analysis Overview
SHA256
40473bba1bbee6df2b7dfba1f00dd7274b4c4a49dafb1945d75530fcace3a0d5
Threat Level: Known bad
The file c001b570b969797c874f9dd3af095475 was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Program crash
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-20 14:01
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-20 14:01
Reported
2023-12-20 16:47
Platform
win7-20231129-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\2C8BDF36 = "C:\\Users\\Admin\\AppData\\Roaming\\2C8BDF36\\bin.exe" | 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:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe
"C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\system32\taskhost.exe
"taskhost.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/2088-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2088-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2088-3-0x0000000001C50000-0x0000000002650000-memory.dmp
memory/1224-5-0x00000000000F0000-0x00000000000F6000-memory.dmp
memory/1368-4-0x00000000025F0000-0x00000000025F6000-memory.dmp
memory/1224-11-0x0000000000C10000-0x0000000000C26000-memory.dmp
memory/1368-10-0x0000000077351000-0x0000000077352000-memory.dmp
memory/1224-9-0x0000000077500000-0x0000000077501000-memory.dmp
memory/1224-8-0x00000000774FF000-0x0000000077501000-memory.dmp
memory/1368-7-0x00000000025F0000-0x00000000025F6000-memory.dmp
memory/1224-6-0x00000000774FF000-0x0000000077500000-memory.dmp
memory/1368-2-0x00000000025F0000-0x00000000025F6000-memory.dmp
memory/2088-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2088-13-0x0000000001C50000-0x0000000002650000-memory.dmp
memory/1224-15-0x00000000000F0000-0x00000000000F6000-memory.dmp
memory/1224-16-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/1368-22-0x0000000002520000-0x0000000002526000-memory.dmp
memory/1368-26-0x0000000002520000-0x0000000002526000-memory.dmp
memory/1320-25-0x0000000001EA0000-0x0000000001EA6000-memory.dmp
memory/1248-24-0x0000000077351000-0x0000000077352000-memory.dmp
memory/1248-23-0x0000000001F90000-0x0000000001F96000-memory.dmp
memory/1320-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp
memory/1224-30-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/1224-31-0x00000000000F0000-0x00000000000F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-20 14:01
Reported
2023-12-20 16:48
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\744A7785 = "C:\\Users\\Admin\\AppData\\Roaming\\744A7785\\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 |
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 |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.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 548 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe | C:\Windows\SysWOW64\winver.exe |
| PID 548 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe | C:\Windows\SysWOW64\winver.exe |
| PID 548 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe | C:\Windows\SysWOW64\winver.exe |
| PID 548 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3644 wrote to memory of 3540 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 3644 wrote to memory of 2476 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe
"C:\Users\Admin\AppData\Local\Temp\c001b570b969797c874f9dd3af095475.exe"
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3644 -ip 3644
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 356
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.246.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
Files
memory/548-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/548-1-0x0000000002170000-0x0000000002171000-memory.dmp
memory/548-3-0x0000000002370000-0x0000000002D70000-memory.dmp
memory/3540-2-0x0000000003610000-0x0000000003616000-memory.dmp
memory/3644-5-0x00000000023C0000-0x00000000023C6000-memory.dmp
memory/3540-4-0x0000000003610000-0x0000000003616000-memory.dmp
memory/3644-8-0x0000000000470000-0x0000000000482000-memory.dmp
memory/3540-7-0x00007FF91434D000-0x00007FF91434E000-memory.dmp
memory/3644-6-0x0000000077BC2000-0x0000000077BC3000-memory.dmp
memory/548-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/548-10-0x0000000002370000-0x0000000002D70000-memory.dmp
memory/3540-13-0x00007FF9144E0000-0x00007FF9144E1000-memory.dmp
memory/2476-15-0x0000000000070000-0x0000000000076000-memory.dmp
memory/3644-16-0x00000000023C0000-0x00000000023C6000-memory.dmp