Analysis Overview
SHA256
dfcc2a806fa4bde3a2caf15dc2b4061cdf3e68ba8c09bf596f877c52d13baf99
Threat Level: Known bad
The file aa825c0fe39dd954f2ea338e27e213f8 was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 21:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 21:44
Reported
2023-12-20 17:23
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Tinba / TinyBanker
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\5294FA42 = "C:\\Users\\Admin\\AppData\\Roaming\\5294FA42\\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 2316 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2316 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2316 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2316 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1432 wrote to memory of 3408 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 1432 wrote to memory of 2508 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe
"C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1432 -ip 1432
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 356
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/2316-0-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/3408-1-0x00000000026E0000-0x00000000026E6000-memory.dmp
memory/2316-3-0x0000000002340000-0x0000000002D40000-memory.dmp
memory/1432-7-0x0000000000E20000-0x0000000000E32000-memory.dmp
memory/3408-6-0x00007FFE3684D000-0x00007FFE3684E000-memory.dmp
memory/3408-8-0x00007FFE369E0000-0x00007FFE369E1000-memory.dmp
memory/1432-5-0x0000000077A42000-0x0000000077A43000-memory.dmp
memory/1432-4-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
memory/3408-2-0x00000000026E0000-0x00000000026E6000-memory.dmp
memory/2316-9-0x0000000000400000-0x0000000000411000-memory.dmp
memory/2316-10-0x0000000002340000-0x0000000002D40000-memory.dmp
memory/2508-14-0x0000000000550000-0x0000000000556000-memory.dmp
memory/1432-15-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 21:44
Reported
2023-12-20 17:23
Platform
win7-20231215-en
Max time kernel
149s
Max time network
147s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\D444AC39 = "C:\\Users\\Admin\\AppData\\Roaming\\D444AC39\\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 |
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\aa825c0fe39dd954f2ea338e27e213f8.exe
"C:\Users\Admin\AppData\Local\Temp\aa825c0fe39dd954f2ea338e27e213f8.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 |
| US | 8.8.8.8:53 | cmnsgscccrej.pw | udp |
| US | 216.218.185.162:80 | cmnsgscccrej.pw | tcp |
Files
memory/1848-0-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1848-2-0x0000000001DF0000-0x00000000027F0000-memory.dmp
memory/1072-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2632-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1072-3-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1072-10-0x0000000077631000-0x0000000077632000-memory.dmp
memory/2632-9-0x00000000777E0000-0x00000000777E1000-memory.dmp
memory/2632-8-0x00000000777DF000-0x00000000777E1000-memory.dmp
memory/2632-7-0x00000000777DF000-0x00000000777E0000-memory.dmp
memory/2632-6-0x00000000007B0000-0x00000000007C6000-memory.dmp
memory/1072-5-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1848-11-0x0000000000400000-0x0000000000411000-memory.dmp
memory/1848-12-0x0000000001DF0000-0x00000000027F0000-memory.dmp
memory/2632-14-0x0000000000160000-0x0000000000166000-memory.dmp
memory/2632-15-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/1072-20-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1112-22-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1040-24-0x0000000077631000-0x0000000077632000-memory.dmp
memory/1040-23-0x0000000000130000-0x0000000000136000-memory.dmp
memory/1072-25-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1112-26-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2632-30-0x0000000000160000-0x0000000000166000-memory.dmp
memory/2632-31-0x00000000001B0000-0x00000000001B1000-memory.dmp