Analysis Overview
SHA256
504b62003ec6dd74f26f834fffbcef0e13fdf4abc2c75a7d5db5ff90e98eef7f
Threat Level: Known bad
The file NEAS.91bf50b02e93421d1130ef7276c6aeb0.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-15 03:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-15 03:27
Reported
2023-11-15 03:30
Platform
win7-20231020-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5B67958 = "C:\\Users\\Admin\\AppData\\Roaming\\E5B67958\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | 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 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\NEAS.91bf50b02e93421d1130ef7276c6aeb0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.91bf50b02e93421d1130ef7276c6aeb0.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/1364-0-0x0000000004270000-0x0000000005372000-memory.dmp
memory/1364-1-0x0000000001E30000-0x0000000001E31000-memory.dmp
memory/1364-2-0x0000000001E30000-0x0000000001E31000-memory.dmp
memory/1364-3-0x0000000004270000-0x0000000005372000-memory.dmp
memory/1364-6-0x0000000005780000-0x0000000006180000-memory.dmp
memory/1204-5-0x0000000002BE0000-0x0000000002BE6000-memory.dmp
memory/2748-7-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2748-10-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2748-9-0x0000000000810000-0x0000000000826000-memory.dmp
memory/2748-12-0x0000000000310000-0x0000000000316000-memory.dmp
memory/1204-11-0x0000000002BE0000-0x0000000002BE6000-memory.dmp
memory/1204-13-0x0000000077691000-0x0000000077692000-memory.dmp
memory/2748-14-0x000000007783F000-0x0000000077840000-memory.dmp
memory/2748-16-0x0000000077840000-0x0000000077841000-memory.dmp
memory/2748-15-0x000000007783F000-0x0000000077841000-memory.dmp
memory/1364-18-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1364-19-0x0000000005780000-0x0000000006180000-memory.dmp
memory/1108-21-0x0000000000150000-0x0000000000156000-memory.dmp
memory/1108-25-0x0000000000150000-0x0000000000156000-memory.dmp
memory/1152-24-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1108-27-0x0000000077691000-0x0000000077692000-memory.dmp
memory/1152-29-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1204-30-0x0000000002BF0000-0x0000000002BF6000-memory.dmp
memory/1204-33-0x0000000002BF0000-0x0000000002BF6000-memory.dmp
memory/2748-35-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2748-34-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2748-36-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2748-37-0x0000000000670000-0x0000000000671000-memory.dmp
memory/1204-43-0x0000000077820000-0x0000000077821000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-15 03:27
Reported
2023-11-15 03:30
Platform
win10v2004-20231020-en
Max time kernel
62s
Max time network
62s
Command Line
Signatures
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\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:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\winver.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.91bf50b02e93421d1130ef7276c6aeb0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.91bf50b02e93421d1130ef7276c6aeb0.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.142.81.104.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 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/1680-1-0x0000000004690000-0x0000000005792000-memory.dmp
memory/1680-2-0x0000000003EC0000-0x0000000003EC1000-memory.dmp
memory/1680-3-0x0000000004690000-0x0000000005792000-memory.dmp
memory/3320-7-0x0000000000F70000-0x0000000000F76000-memory.dmp
memory/1116-6-0x00000000027E0000-0x00000000027E6000-memory.dmp
memory/3320-10-0x00007FFB1FD0D000-0x00007FFB1FD0E000-memory.dmp
memory/1116-11-0x0000000077442000-0x0000000077443000-memory.dmp
memory/1116-9-0x00000000027E0000-0x00000000027E6000-memory.dmp
memory/1680-8-0x00000000058A0000-0x00000000062A0000-memory.dmp
memory/3320-5-0x0000000000F70000-0x0000000000F76000-memory.dmp
memory/1116-12-0x0000000000C40000-0x0000000000C52000-memory.dmp
memory/1680-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1680-15-0x00000000058A0000-0x00000000062A0000-memory.dmp
memory/2332-16-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
memory/2332-18-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
memory/2344-17-0x0000000000040000-0x0000000000046000-memory.dmp
memory/2452-19-0x0000000000BB0000-0x0000000000BB6000-memory.dmp
memory/2344-21-0x0000000000040000-0x0000000000046000-memory.dmp
memory/3320-20-0x0000000000F90000-0x0000000000F96000-memory.dmp
memory/2452-23-0x0000000000BB0000-0x0000000000BB6000-memory.dmp