Analysis Overview
SHA256
f9175ea4eaf9e4770226fd19943b1d1468c6e57ecbf6cf983ed523e9cda5709f
Threat Level: Known bad
The file 2990b6fba836157e88da9afcc8a66610N.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
Modifies data under HKEY_USERS
Suspicious use of UnmapMainImage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-19 00:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-19 00:09
Reported
2024-07-19 00:11
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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\B17B1389 = "C:\\Users\\Admin\\AppData\\Roaming\\B17B1389\\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\2990b6fba836157e88da9afcc8a66610N.exe
"C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.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/1184-1-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1184-6-0x0000000002510000-0x0000000002516000-memory.dmp
memory/2680-4-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1184-3-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1476-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2680-23-0x0000000000220000-0x0000000000226000-memory.dmp
memory/1520-20-0x0000000000450000-0x0000000000456000-memory.dmp
memory/1184-17-0x0000000002610000-0x0000000002616000-memory.dmp
memory/1160-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp
memory/1104-11-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1520-24-0x0000000000450000-0x0000000000456000-memory.dmp
memory/1160-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp
memory/1104-26-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1184-25-0x0000000002610000-0x0000000002616000-memory.dmp
memory/2680-29-0x0000000000220000-0x0000000000226000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-19 00:09
Reported
2024-07-19 00:11
Platform
win10v2004-20240709-en
Max time kernel
118s
Max time network
103s
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\2990b6fba836157e88da9afcc8a66610N.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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.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\2990b6fba836157e88da9afcc8a66610N.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 1052 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1052 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1052 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1052 wrote to memory of 1388 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1388 wrote to memory of 3612 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 1052 wrote to memory of 3612 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.exe | C:\Windows\Explorer.EXE |
| PID 1052 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.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\2990b6fba836157e88da9afcc8a66610N.exe
"C:\Users\Admin\AppData\Local\Temp\2990b6fba836157e88da9afcc8a66610N.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 408 -p 1388 -ip 1388
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1052 -ip 1052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 984
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 | 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 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1052-1-0x00000000046C0000-0x0000000004D18000-memory.dmp
memory/1052-2-0x0000000003C80000-0x0000000003C81000-memory.dmp
memory/1052-3-0x0000000003C80000-0x0000000003C81000-memory.dmp
memory/3612-5-0x0000000000ED0000-0x0000000000ED6000-memory.dmp
memory/3612-6-0x0000000000ED0000-0x0000000000ED6000-memory.dmp
memory/1052-7-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3612-12-0x0000000000F10000-0x0000000000F16000-memory.dmp
memory/1052-11-0x00000000057D0000-0x00000000061D0000-memory.dmp
memory/2572-14-0x00000000000B0000-0x00000000000B6000-memory.dmp
memory/1052-16-0x00000000057D0000-0x00000000061D0000-memory.dmp
memory/1052-19-0x00000000046C0000-0x0000000004D18000-memory.dmp
memory/2572-20-0x00000000000B0000-0x00000000000B6000-memory.dmp