Analysis Overview
SHA256
7dac4d62897ea422672efe9ed0b53de07289d7e081adca78a01c0a5d568bf956
Threat Level: Known bad
The file bfbb62980f0b251db76efc7e8554b5ea 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 FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-20 14:00
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-20 14:00
Reported
2023-12-20 16:42
Platform
win7-20231215-en
Max time kernel
149s
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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\DDF30427 = "C:\\Users\\Admin\\AppData\\Roaming\\DDF30427\\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\bfbb62980f0b251db76efc7e8554b5ea.exe
"C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.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/2076-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2076-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2076-3-0x0000000001D90000-0x0000000002790000-memory.dmp
memory/1072-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2632-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1072-11-0x0000000077631000-0x0000000077632000-memory.dmp
memory/2632-10-0x00000000777E0000-0x00000000777E1000-memory.dmp
memory/2632-9-0x00000000777DF000-0x00000000777E1000-memory.dmp
memory/2632-8-0x00000000777DF000-0x00000000777E0000-memory.dmp
memory/2632-7-0x0000000000540000-0x0000000000556000-memory.dmp
memory/1072-6-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2076-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2076-13-0x0000000001D90000-0x0000000002790000-memory.dmp
memory/2632-15-0x0000000000160000-0x0000000000166000-memory.dmp
memory/2632-16-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/1072-20-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1112-23-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1112-27-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/1072-26-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1040-25-0x0000000077631000-0x0000000077632000-memory.dmp
memory/1040-24-0x0000000000130000-0x0000000000136000-memory.dmp
memory/2632-31-0x0000000000160000-0x0000000000166000-memory.dmp
memory/2632-32-0x00000000001B0000-0x00000000001B1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-20 14:00
Reported
2023-12-20 16:44
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
150s
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\6AF08FBC = "C:\\Users\\Admin\\AppData\\Roaming\\6AF08FBC\\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 4824 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4824 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4824 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4824 wrote to memory of 4284 | N/A | C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4284 wrote to memory of 3492 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4284 wrote to memory of 2812 | 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\bfbb62980f0b251db76efc7e8554b5ea.exe
"C:\Users\Admin\AppData\Local\Temp\bfbb62980f0b251db76efc7e8554b5ea.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 364 -p 4284 -ip 4284
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.181.190.20.in-addr.arpa | udp |
| 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.178.17.96.in-addr.arpa | udp |
Files
memory/4824-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4824-1-0x00000000007D0000-0x00000000007D1000-memory.dmp
memory/3492-2-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/3492-3-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/4824-4-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/4284-5-0x0000000076FF2000-0x0000000076FF3000-memory.dmp
memory/3492-6-0x00007FFFD602D000-0x00007FFFD602E000-memory.dmp
memory/4284-7-0x0000000002CC0000-0x0000000002CC6000-memory.dmp
memory/3492-8-0x00007FFFD61C0000-0x00007FFFD61C1000-memory.dmp
memory/4824-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2812-13-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/4284-14-0x0000000002CC0000-0x0000000002CC6000-memory.dmp