Analysis Overview
SHA256
abd71d37172028b00b307beb3e64572860985dea4572229791c74f70a04331d9
Threat Level: Known bad
The file df3dc1fd5cba78bee8df56ee8a859f0b 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 UnmapMainImage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-20 15:55
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
2023-12-20 15:55
Reported
2023-12-21 00:23
Platform
win7-20231215-en
Max time kernel
148s
Max time network
148s
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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\51A1362D = "C:\\Users\\Admin\\AppData\\Roaming\\51A1362D\\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:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe
"C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.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 |
| US | 8.8.8.8:53 | vcklmnnejwxx.pw | udp |
| US | 216.218.185.162:80 | vcklmnnejwxx.pw | tcp |
Files
memory/3044-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3044-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/3044-3-0x0000000001C10000-0x0000000002610000-memory.dmp
memory/2748-5-0x0000000000140000-0x0000000000146000-memory.dmp
memory/1252-4-0x0000000002710000-0x0000000002716000-memory.dmp
memory/1252-10-0x0000000077AA1000-0x0000000077AA2000-memory.dmp
memory/2748-11-0x0000000000460000-0x0000000000476000-memory.dmp
memory/2748-9-0x0000000077C50000-0x0000000077C51000-memory.dmp
memory/2748-8-0x0000000077C4F000-0x0000000077C51000-memory.dmp
memory/2748-7-0x0000000077C4F000-0x0000000077C50000-memory.dmp
memory/1252-6-0x0000000002710000-0x0000000002716000-memory.dmp
memory/1252-2-0x0000000002710000-0x0000000002716000-memory.dmp
memory/3044-12-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3044-13-0x0000000001C10000-0x0000000002610000-memory.dmp
memory/2748-16-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2748-15-0x0000000000140000-0x0000000000146000-memory.dmp
memory/1252-26-0x00000000026A0000-0x00000000026A6000-memory.dmp
memory/1176-25-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1116-24-0x0000000077AA1000-0x0000000077AA2000-memory.dmp
memory/1116-23-0x0000000001B40000-0x0000000001B46000-memory.dmp
memory/1252-22-0x00000000026A0000-0x00000000026A6000-memory.dmp
memory/1176-20-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2748-30-0x0000000000140000-0x0000000000146000-memory.dmp
memory/2748-31-0x0000000000210000-0x0000000000211000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-20 15:55
Reported
2023-12-21 00:24
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
142s
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\64F1FFCE = "C:\\Users\\Admin\\AppData\\Roaming\\64F1FFCE\\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 2888 wrote to memory of 5240 | N/A | C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2888 wrote to memory of 5240 | N/A | C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2888 wrote to memory of 5240 | N/A | C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2888 wrote to memory of 5240 | N/A | C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe | C:\Windows\SysWOW64\winver.exe |
| PID 5240 wrote to memory of 3460 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 5240 wrote to memory of 2632 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe
"C:\Users\Admin\AppData\Local\Temp\df3dc1fd5cba78bee8df56ee8a859f0b.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.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 460 -p 5240 -ip 5240
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5240 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2888-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2888-1-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/3460-2-0x0000000000160000-0x0000000000166000-memory.dmp
memory/2888-4-0x0000000002230000-0x0000000002C30000-memory.dmp
memory/3460-3-0x0000000000160000-0x0000000000166000-memory.dmp
memory/5240-7-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
memory/3460-6-0x00007FFD207CD000-0x00007FFD207CE000-memory.dmp
memory/5240-5-0x0000000077C92000-0x0000000077C93000-memory.dmp
memory/2888-8-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2888-9-0x0000000002230000-0x0000000002C30000-memory.dmp
memory/2632-13-0x0000000000C50000-0x0000000000C56000-memory.dmp
memory/5240-14-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
memory/3460-16-0x00007FFD20960000-0x00007FFD20961000-memory.dmp