Analysis Overview
SHA256
03d368d9b48cfde5da053d1c07c07cfe6438a341ff93bbd40cae5d3e6e791b09
Threat Level: Known bad
The file 89a2d9419278586f92465ade8e5f6eee was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 19:50
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
2023-12-19 19:50
Reported
2023-12-20 00:33
Platform
win7-20231215-en
Max time kernel
150s
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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\8B44706D = "C:\\Users\\Admin\\AppData\\Roaming\\8B44706D\\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\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe
"C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.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 |
| US | 8.8.8.8:53 | mfueeimvyrsp.pw | udp |
| US | 216.218.185.162:80 | mfueeimvyrsp.pw | tcp |
Files
memory/1180-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1180-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1180-4-0x0000000001DF0000-0x00000000027F0000-memory.dmp
memory/1188-3-0x0000000002AA0000-0x0000000002AA6000-memory.dmp
memory/1188-2-0x0000000002AA0000-0x0000000002AA6000-memory.dmp
memory/2096-7-0x0000000077760000-0x0000000077761000-memory.dmp
memory/1188-5-0x0000000002AA0000-0x0000000002AA6000-memory.dmp
memory/2096-6-0x0000000000190000-0x0000000000196000-memory.dmp
memory/2096-9-0x000000007775F000-0x0000000077761000-memory.dmp
memory/2096-8-0x000000007775F000-0x0000000077760000-memory.dmp
memory/1188-10-0x00000000775B1000-0x00000000775B2000-memory.dmp
memory/2096-11-0x0000000000510000-0x0000000000526000-memory.dmp
memory/1180-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1180-13-0x0000000001DF0000-0x00000000027F0000-memory.dmp
memory/2096-16-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/1156-20-0x0000000000230000-0x0000000000236000-memory.dmp
memory/1100-22-0x0000000000320000-0x0000000000326000-memory.dmp
memory/1100-23-0x00000000775B1000-0x00000000775B2000-memory.dmp
memory/1188-24-0x0000000002A50000-0x0000000002A56000-memory.dmp
memory/1156-25-0x0000000000230000-0x0000000000236000-memory.dmp
memory/1188-26-0x0000000002A50000-0x0000000002A56000-memory.dmp
memory/2096-30-0x0000000000190000-0x0000000000196000-memory.dmp
memory/2096-31-0x00000000001E0000-0x00000000001E1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 19:50
Reported
2023-12-20 00:33
Platform
win10v2004-20231215-en
Max time kernel
144s
Max time network
121s
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\11AF30F3 = "C:\\Users\\Admin\\AppData\\Roaming\\11AF30F3\\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 4604 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4604 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4604 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4604 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2216 wrote to memory of 3468 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 2216 wrote to memory of 2676 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe
"C:\Users\Admin\AppData\Local\Temp\89a2d9419278586f92465ade8e5f6eee.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2216 -ip 2216
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 189.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
Files
memory/4604-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4604-1-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/3468-2-0x0000000000E00000-0x0000000000E06000-memory.dmp
memory/4604-4-0x00000000020F0000-0x0000000002AF0000-memory.dmp
memory/3468-3-0x0000000000E00000-0x0000000000E06000-memory.dmp
memory/2216-5-0x0000000077182000-0x0000000077183000-memory.dmp
memory/3468-6-0x00007FF8DBECD000-0x00007FF8DBECE000-memory.dmp
memory/2216-7-0x0000000000CA0000-0x0000000000CA6000-memory.dmp
memory/4604-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4604-9-0x00000000020F0000-0x0000000002AF0000-memory.dmp
memory/2676-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp
memory/2216-14-0x0000000000CA0000-0x0000000000CA6000-memory.dmp
memory/3468-16-0x00007FF8DC060000-0x00007FF8DC061000-memory.dmp