Analysis Overview
SHA256
a87d161b4cb878515226cd1751558825dd1f0d90d6543dbc01957f363069d81b
Threat Level: Known bad
The file 99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe 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
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Modifies data under HKEY_USERS
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-23 04:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-23 04:42
Reported
2024-08-23 04:44
Platform
win7-20240708-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\80BB7DAC = "C:\\Users\\Admin\\AppData\\Roaming\\80BB7DAC\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | 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\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\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe
"C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.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/1188-1-0x0000000002500000-0x0000000002506000-memory.dmp
memory/1188-6-0x0000000002500000-0x0000000002506000-memory.dmp
memory/2700-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1188-3-0x0000000002500000-0x0000000002506000-memory.dmp
memory/2088-8-0x0000000000400000-0x000000000043F000-memory.dmp
memory/2700-23-0x0000000000210000-0x0000000000216000-memory.dmp
memory/1496-20-0x0000000001C50000-0x0000000001C56000-memory.dmp
memory/1188-17-0x0000000002550000-0x0000000002556000-memory.dmp
memory/1164-14-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/1116-11-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/1116-24-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/1164-27-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/1496-26-0x0000000001C50000-0x0000000001C56000-memory.dmp
memory/1188-25-0x0000000002550000-0x0000000002556000-memory.dmp
memory/2700-29-0x0000000000210000-0x0000000000216000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-23 04:42
Reported
2024-08-23 04:44
Platform
win10v2004-20240802-en
Max time kernel
114s
Max time network
119s
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\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\winver.exe | N/A |
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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.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:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.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 116 wrote to memory of 4460 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 116 wrote to memory of 4460 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 116 wrote to memory of 4460 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 116 wrote to memory of 4460 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4460 wrote to memory of 3432 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 116 wrote to memory of 3432 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe | C:\Windows\Explorer.EXE |
| PID 116 wrote to memory of 3044 | N/A | C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.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\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe
"C:\Users\Admin\AppData\Local\Temp\99c7f1fa19eb624a3fc213dc4a7bd0a0N.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3668,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4348 /prefetch:8
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 420 -p 4460 -ip 4460
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 116 -ip 116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 856
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 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
Files
memory/116-1-0x00000000046D0000-0x0000000004D28000-memory.dmp
memory/116-2-0x00000000045F0000-0x00000000045F1000-memory.dmp
memory/116-3-0x00000000046D0000-0x0000000004D28000-memory.dmp
memory/116-4-0x0000000003E80000-0x0000000003E81000-memory.dmp
memory/116-5-0x0000000003E80000-0x0000000003E81000-memory.dmp
memory/3432-7-0x0000000000CF0000-0x0000000000CF6000-memory.dmp
memory/3432-8-0x0000000000CF0000-0x0000000000CF6000-memory.dmp
memory/116-9-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3432-13-0x00000000010A0000-0x00000000010A6000-memory.dmp
memory/116-12-0x00000000058E0000-0x00000000062E0000-memory.dmp
memory/3044-16-0x0000000000340000-0x0000000000346000-memory.dmp
memory/116-17-0x00000000058E0000-0x00000000062E0000-memory.dmp
memory/116-21-0x00000000046D0000-0x0000000004D28000-memory.dmp
memory/3044-22-0x0000000000340000-0x0000000000346000-memory.dmp