Analysis Overview
SHA256
3fa0d5bb788cc7ae14cbf786fa7a320f5fda02ac815cc1e13b42c503b776c860
Threat Level: Known bad
The file NEAS.f077f96f2cf99138a1fb8e388c639cd0_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 WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-02 16:00
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
2023-11-02 16:00
Reported
2023-11-02 16:06
Platform
win7-20231023-en
Max time kernel
213s
Max time network
235s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Run\39CA302D = "C:\\Users\\Admin\\AppData\\Roaming\\39CA302D\\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 |
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.f077f96f2cf99138a1fb8e388c639cd0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_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 |
Files
memory/2680-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2680-1-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2680-2-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2680-3-0x0000000001EE0000-0x00000000028E0000-memory.dmp
memory/1280-11-0x0000000002A70000-0x0000000002A76000-memory.dmp
memory/2728-10-0x0000000077630000-0x0000000077631000-memory.dmp
memory/2728-9-0x000000007762F000-0x0000000077631000-memory.dmp
memory/2728-8-0x000000007762F000-0x0000000077630000-memory.dmp
memory/1280-12-0x0000000077481000-0x0000000077482000-memory.dmp
memory/2728-7-0x0000000000090000-0x0000000000096000-memory.dmp
memory/2728-6-0x0000000000F40000-0x0000000000F56000-memory.dmp
memory/1280-5-0x0000000002A70000-0x0000000002A76000-memory.dmp
memory/1280-4-0x0000000002A70000-0x0000000002A76000-memory.dmp
memory/2680-13-0x0000000001EE0000-0x00000000028E0000-memory.dmp
memory/1280-14-0x0000000077610000-0x0000000077611000-memory.dmp
memory/2680-15-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2728-18-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2728-22-0x0000000000090000-0x0000000000096000-memory.dmp
memory/1136-23-0x0000000077481000-0x0000000077482000-memory.dmp
memory/1236-28-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1280-27-0x0000000002A90000-0x0000000002A96000-memory.dmp
memory/1280-29-0x0000000002A90000-0x0000000002A96000-memory.dmp
memory/1136-30-0x0000000001C60000-0x0000000001C66000-memory.dmp
memory/2728-33-0x0000000000210000-0x0000000000211000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-02 16:00
Reported
2023-11-02 16:03
Platform
win10v2004-20231020-en
Max time kernel
20s
Max time network
27s
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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0D71A2EE = "C:\\Users\\Admin\\AppData\\Roaming\\0D71A2EE\\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 1512 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1512 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1512 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1512 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3552 wrote to memory of 3280 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 3552 wrote to memory of 2796 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
| PID 3552 wrote to memory of 2836 | 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.f077f96f2cf99138a1fb8e388c639cd0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
Files
memory/1512-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1512-1-0x0000000000570000-0x0000000000571000-memory.dmp
memory/1512-2-0x0000000002130000-0x0000000002B30000-memory.dmp
memory/3280-3-0x00000000012D0000-0x00000000012D6000-memory.dmp
memory/3552-4-0x00000000004D0000-0x00000000004E2000-memory.dmp
memory/3552-6-0x0000000002C80000-0x0000000002C86000-memory.dmp
memory/3280-5-0x00000000012D0000-0x00000000012D6000-memory.dmp
memory/3280-7-0x00007FFC1A1ED000-0x00007FFC1A1EE000-memory.dmp
memory/3552-8-0x0000000077B82000-0x0000000077B83000-memory.dmp
memory/1512-9-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1512-10-0x0000000002130000-0x0000000002B30000-memory.dmp
memory/3552-12-0x0000000002C80000-0x0000000002C86000-memory.dmp
memory/2836-14-0x0000000000EA0000-0x0000000000EA6000-memory.dmp
memory/2796-15-0x0000000000010000-0x0000000000016000-memory.dmp
memory/2896-16-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/2836-17-0x0000000000EA0000-0x0000000000EA6000-memory.dmp
memory/2896-19-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/3416-20-0x0000000000250000-0x0000000000256000-memory.dmp