Analysis Overview
SHA256
77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc
Threat Level: Known bad
The file 77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-28 23:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 23:11
Reported
2024-06-28 23:13
Platform
win7-20240220-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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\3A10B549 = "C:\\Users\\Admin\\AppData\\Roaming\\3A10B549\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
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\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe
"C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 216.218.185.162:80 | elitiorecfreetoo.cc | tcp |
Files
memory/1204-6-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/2440-4-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1204-3-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/1204-1-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/2440-20-0x0000000000250000-0x0000000000256000-memory.dmp
memory/1204-15-0x0000000002E50000-0x0000000002E56000-memory.dmp
memory/1168-12-0x0000000000130000-0x0000000000136000-memory.dmp
memory/1112-9-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2784-22-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1168-25-0x0000000000130000-0x0000000000136000-memory.dmp
memory/1112-23-0x0000000000420000-0x0000000000426000-memory.dmp
memory/1204-24-0x0000000002E50000-0x0000000002E56000-memory.dmp
memory/2440-27-0x0000000000250000-0x0000000000256000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 23:11
Reported
2024-06-28 23:13
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.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 |
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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe
"C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3316 -ip 3316
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3092 -ip 3092
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 812
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
Files
memory/3092-1-0x0000000004750000-0x0000000004DA8000-memory.dmp
memory/3092-2-0x0000000002520000-0x0000000002521000-memory.dmp
memory/3532-4-0x0000000001000000-0x0000000001006000-memory.dmp
memory/3532-5-0x0000000001000000-0x0000000001006000-memory.dmp
memory/3092-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3532-10-0x0000000001030000-0x0000000001036000-memory.dmp
memory/3092-9-0x0000000005B60000-0x0000000006560000-memory.dmp
memory/2616-12-0x0000000000E50000-0x0000000000E56000-memory.dmp
memory/3092-13-0x0000000005B60000-0x0000000006560000-memory.dmp
memory/3092-17-0x0000000004750000-0x0000000004DA8000-memory.dmp
memory/2616-18-0x0000000000E50000-0x0000000000E56000-memory.dmp