Analysis Overview
SHA256
a11ab6f7e2f928f336849a379f7df7dafcee112b26d2b9dfb72b7ef8d2725fe1
Threat Level: Known bad
The file c4c81804aeb37310e47437169bb16040N.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Modifies data under HKEY_USERS
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-15 10:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-15 10:26
Reported
2024-07-15 10:28
Platform
win10v2004-20240709-en
Max time kernel
118s
Max time network
101s
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\c4c81804aeb37310e47437169bb16040N.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" | C:\Windows\System32\svchost.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.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 |
| 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 |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.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 4000 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4000 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4000 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4000 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2456 wrote to memory of 3476 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 4000 wrote to memory of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\Explorer.EXE |
| PID 4000 wrote to memory of 1120 | N/A | C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe
"C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.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 184 -p 2456 -ip 2456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4000 -ip 4000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 932
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
Files
memory/4000-1-0x0000000004540000-0x0000000004B98000-memory.dmp
memory/4000-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmp
memory/3476-4-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/3476-5-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/4000-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3476-11-0x0000000002780000-0x0000000002786000-memory.dmp
memory/4000-10-0x0000000005A90000-0x0000000006490000-memory.dmp
memory/1120-13-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4000-14-0x0000000005A90000-0x0000000006490000-memory.dmp
memory/4000-18-0x0000000004540000-0x0000000004B98000-memory.dmp
memory/1120-19-0x00000000005A0000-0x00000000005A6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-15 10:26
Reported
2024-07-15 10:28
Platform
win7-20240705-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\C707C256 = "C:\\Users\\Admin\\AppData\\Roaming\\C707C256\\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:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.exe
"C:\Users\Admin\AppData\Local\Temp\c4c81804aeb37310e47437169bb16040N.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 |
| US | 8.8.8.8:53 | ljjskttqximu.com | udp |
| US | 8.8.8.8:53 | ljjskttqximu.net | udp |
| US | 8.8.8.8:53 | ljjskttqximu.in | udp |
| US | 216.218.185.162:80 | ljjskttqximu.in | tcp |
| US | 8.8.8.8:53 | ljjskttqximu.ru | udp |
| US | 162.249.66.138:80 | ljjskttqximu.ru | tcp |
| US | 8.8.8.8:53 | fovcpylsiqvv.com | udp |
| US | 216.218.185.162:80 | fovcpylsiqvv.com | tcp |
| US | 8.8.8.8:53 | fovcpylsiqvv.net | udp |
| US | 8.8.8.8:53 | fovcpylsiqvv.in | udp |
| US | 216.218.185.162:80 | fovcpylsiqvv.in | tcp |
| US | 8.8.8.8:53 | fovcpylsiqvv.ru | udp |
| US | 8.8.8.8:53 | ptuvwkjgwleu.com | udp |
| US | 8.8.8.8:53 | ptuvwkjgwleu.net | udp |
| US | 8.8.8.8:53 | ptuvwkjgwleu.in | udp |
| US | 216.218.185.162:80 | ptuvwkjgwleu.in | tcp |
| US | 8.8.8.8:53 | ptuvwkjgwleu.ru | udp |
| US | 8.8.8.8:53 | pxscpwnnqujq.com | udp |
| US | 8.8.8.8:53 | pxscpwnnqujq.net | udp |
| US | 216.218.185.162:80 | pxscpwnnqujq.net | tcp |
| US | 8.8.8.8:53 | pxscpwnnqujq.in | udp |
| US | 216.218.185.162:80 | pxscpwnnqujq.in | tcp |
Files
memory/1252-1-0x0000000002B20000-0x0000000002B26000-memory.dmp
memory/1252-3-0x0000000002B20000-0x0000000002B26000-memory.dmp
memory/2640-4-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1252-6-0x0000000002B20000-0x0000000002B26000-memory.dmp
memory/1964-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1176-14-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/1208-20-0x0000000001C80000-0x0000000001C86000-memory.dmp
memory/1252-17-0x0000000002B30000-0x0000000002B36000-memory.dmp
memory/2640-25-0x00000000002E0000-0x00000000002E6000-memory.dmp
memory/1116-11-0x0000000000460000-0x0000000000466000-memory.dmp
memory/1176-29-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/1208-28-0x0000000001C80000-0x0000000001C86000-memory.dmp
memory/1252-26-0x0000000002B30000-0x0000000002B36000-memory.dmp
memory/1116-27-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2640-31-0x00000000002E0000-0x00000000002E6000-memory.dmp