Analysis Overview
SHA256
77f97efe1a861cd368ad54d18a79a6d5cb0298496b9c777eef538367c414d390
Threat Level: Known bad
The file NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-23 20:38
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
2023-10-23 20:38
Reported
2023-10-23 20:57
Platform
win7-20231020-en
Max time kernel
152s
Max time network
151s
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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\2880FA20 = "C:\\Users\\Admin\\AppData\\Roaming\\2880FA20\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | 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 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\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.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 |
| NL | 192.42.116.41:80 | 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 |
| US | 8.8.8.8:53 | mfueeimvyrsp.pw | udp |
| US | 216.218.185.162:80 | mfueeimvyrsp.pw | tcp |
| US | 8.8.8.8:53 | utmyhnffxpcj.pw | udp |
| US | 216.218.185.162:80 | utmyhnffxpcj.pw | tcp |
Files
memory/1676-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1676-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1676-2-0x0000000001D40000-0x0000000002740000-memory.dmp
memory/1316-3-0x00000000026E0000-0x00000000026E6000-memory.dmp
memory/2540-4-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2540-7-0x0000000000EE0000-0x0000000000EF6000-memory.dmp
memory/1316-6-0x00000000026E0000-0x00000000026E6000-memory.dmp
memory/2540-9-0x0000000077C8F000-0x0000000077C91000-memory.dmp
memory/1316-11-0x0000000077AE1000-0x0000000077AE2000-memory.dmp
memory/2540-10-0x0000000077C90000-0x0000000077C91000-memory.dmp
memory/2540-8-0x0000000077C8F000-0x0000000077C90000-memory.dmp
memory/1676-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1676-13-0x0000000001D40000-0x0000000002740000-memory.dmp
memory/1316-14-0x0000000077C70000-0x0000000077C71000-memory.dmp
memory/2540-16-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2540-17-0x0000000000180000-0x0000000000181000-memory.dmp
memory/1172-21-0x00000000003D0000-0x00000000003D6000-memory.dmp
memory/1172-22-0x0000000077AE1000-0x0000000077AE2000-memory.dmp
memory/2540-24-0x0000000000100000-0x0000000000106000-memory.dmp
memory/1316-27-0x0000000002690000-0x0000000002696000-memory.dmp
memory/1284-28-0x0000000000280000-0x0000000000286000-memory.dmp
memory/1284-26-0x0000000077AE1000-0x0000000077AE2000-memory.dmp
memory/1316-29-0x0000000002690000-0x0000000002696000-memory.dmp
memory/2540-33-0x0000000000190000-0x0000000000191000-memory.dmp
memory/1316-34-0x0000000077C50000-0x0000000077C51000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-23 20:38
Reported
2023-10-23 20:55
Platform
win10v2004-20231020-en
Max time kernel
8s
Max time network
13s
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-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0789389D = "C:\\Users\\Admin\\AppData\\Roaming\\0789389D\\bin.exe" | C:\Windows\SysWOW64\winver.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 FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4164 wrote to memory of 2820 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4164 wrote to memory of 2820 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4164 wrote to memory of 2820 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4164 wrote to memory of 2820 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2820 wrote to memory of 3144 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 2820 wrote to memory of 2312 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
| PID 2820 wrote to memory of 2332 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\svchost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.58b676aff7e20b6ac7be762ade641020_JC.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
Files
memory/4164-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4164-1-0x00000000005C0000-0x00000000005C1000-memory.dmp
memory/4164-2-0x0000000002330000-0x0000000002D30000-memory.dmp
memory/2820-4-0x0000000001EF0000-0x0000000001EF6000-memory.dmp
memory/3144-7-0x00007FFF84AED000-0x00007FFF84AEE000-memory.dmp
memory/2820-6-0x00000000777E2000-0x00000000777E3000-memory.dmp
memory/3144-5-0x0000000002370000-0x0000000002376000-memory.dmp
memory/3144-3-0x0000000002370000-0x0000000002376000-memory.dmp
memory/4164-8-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4164-9-0x0000000002330000-0x0000000002D30000-memory.dmp
memory/2820-11-0x0000000001EF0000-0x0000000001EF6000-memory.dmp
memory/2332-13-0x0000000000270000-0x0000000000276000-memory.dmp
memory/3144-16-0x00000000023B0000-0x00000000023B6000-memory.dmp
memory/3444-19-0x00000000002F0000-0x00000000002F6000-memory.dmp