Analysis Overview
SHA256
305a7498e381c3f369cac7547f09c01d34b7fd61155eb29985b1851dca67a396
Threat Level: Known bad
The file 8aae04b8e28612d761b2d1b64df597c5 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 AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 19:57
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 19:57
Reported
2023-12-20 00:45
Platform
win7-20231129-en
Max time kernel
149s
Max time network
147s
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\2DFED780 = "C:\\Users\\Admin\\AppData\\Roaming\\2DFED780\\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\8aae04b8e28612d761b2d1b64df597c5.exe
"C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.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 |
| 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 |
Files
memory/1724-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1724-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1724-3-0x0000000001F90000-0x0000000002990000-memory.dmp
memory/1360-4-0x0000000002B40000-0x0000000002B46000-memory.dmp
memory/2396-5-0x0000000000320000-0x0000000000326000-memory.dmp
memory/1360-2-0x0000000002B40000-0x0000000002B46000-memory.dmp
memory/1360-7-0x0000000002B40000-0x0000000002B46000-memory.dmp
memory/1360-10-0x0000000077141000-0x0000000077142000-memory.dmp
memory/2396-9-0x00000000772F0000-0x00000000772F1000-memory.dmp
memory/2396-8-0x00000000772EF000-0x00000000772F1000-memory.dmp
memory/2396-6-0x00000000772EF000-0x00000000772F0000-memory.dmp
memory/2396-11-0x00000000003C0000-0x00000000003D6000-memory.dmp
memory/1724-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1724-13-0x0000000001F90000-0x0000000002990000-memory.dmp
memory/2396-15-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2396-16-0x0000000000360000-0x0000000000361000-memory.dmp
memory/1360-27-0x00000000025F0000-0x00000000025F6000-memory.dmp
memory/1296-26-0x0000000000130000-0x0000000000136000-memory.dmp
memory/1240-25-0x0000000077141000-0x0000000077142000-memory.dmp
memory/1240-24-0x0000000002070000-0x0000000002076000-memory.dmp
memory/1360-23-0x00000000025F0000-0x00000000025F6000-memory.dmp
memory/1296-21-0x0000000000130000-0x0000000000136000-memory.dmp
memory/2396-31-0x0000000000370000-0x0000000000371000-memory.dmp
memory/2396-32-0x0000000000320000-0x0000000000326000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 19:57
Reported
2023-12-20 00:45
Platform
win10v2004-20231215-en
Max time kernel
150s
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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A6B54132 = "C:\\Users\\Admin\\AppData\\Roaming\\A6B54132\\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 |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| 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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.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 1972 wrote to memory of 1852 | N/A | C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1972 wrote to memory of 1852 | N/A | C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1972 wrote to memory of 1852 | N/A | C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1972 wrote to memory of 1852 | N/A | C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1852 wrote to memory of 3500 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 1852 wrote to memory of 2828 | 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\8aae04b8e28612d761b2d1b64df597c5.exe
"C:\Users\Admin\AppData\Local\Temp\8aae04b8e28612d761b2d1b64df597c5.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 440 -p 1852 -ip 1852
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 352
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 17.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/1972-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1972-1-0x0000000002170000-0x0000000002171000-memory.dmp
memory/3500-2-0x0000000002E40000-0x0000000002E46000-memory.dmp
memory/3500-3-0x0000000002E40000-0x0000000002E46000-memory.dmp
memory/1972-4-0x0000000002220000-0x0000000002C20000-memory.dmp
memory/1852-5-0x00000000009B0000-0x00000000009B6000-memory.dmp
memory/1852-6-0x00000000770D2000-0x00000000770D3000-memory.dmp
memory/3500-7-0x00007FFCBFB6D000-0x00007FFCBFB6E000-memory.dmp
memory/1852-8-0x00000000009D0000-0x00000000009E2000-memory.dmp
memory/1972-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1972-10-0x0000000002220000-0x0000000002C20000-memory.dmp
memory/2828-14-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/1852-15-0x00000000009B0000-0x00000000009B6000-memory.dmp
memory/3500-17-0x00007FFCBFD00000-0x00007FFCBFD01000-memory.dmp
memory/3500-18-0x00007FFCBFCE0000-0x00007FFCBFCE1000-memory.dmp