Analysis Overview
SHA256
671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59
Threat Level: Known bad
The file 671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59 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 behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 22:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 22:17
Reported
2024-06-14 22:20
Platform
win7-20240508-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\142CCF91 = "C:\\Users\\Admin\\AppData\\Roaming\\142CCF91\\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\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe
"C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
Files
memory/1188-3-0x0000000002AE0000-0x0000000002AE6000-memory.dmp
memory/1188-1-0x0000000002AE0000-0x0000000002AE6000-memory.dmp
memory/1188-6-0x0000000002AE0000-0x0000000002AE6000-memory.dmp
memory/2272-4-0x0000000000160000-0x0000000000166000-memory.dmp
memory/1100-9-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2272-20-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1188-15-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1160-12-0x0000000000130000-0x0000000000136000-memory.dmp
memory/2436-22-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1160-25-0x0000000000130000-0x0000000000136000-memory.dmp
memory/1188-24-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
memory/1100-23-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2272-27-0x0000000000290000-0x0000000000296000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 22:17
Reported
2024-06-14 22:20
Platform
win10v2004-20240611-en
Max time kernel
144s
Max time network
127s
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\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.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 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 |
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\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.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 1956 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1956 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1956 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1956 wrote to memory of 3972 | N/A | C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe | C:\Windows\SysWOW64\winver.exe |
| PID 3972 wrote to memory of 3412 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 1956 wrote to memory of 3412 | N/A | C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.exe
"C:\Users\Admin\AppData\Local\Temp\671c8a69512c3790649863fae0599ccaf8b0f9a3d2bc2bfc0855939e54a12d59.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=3976,i,11049150160560877369,2866371920339304689,262144 --variations-seed-version --mojo-platform-channel-handle=3956 /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 408 -p 3972 -ip 3972
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1956 -ip 1956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 784
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 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/1956-1-0x00000000047B0000-0x0000000004E08000-memory.dmp
memory/1956-2-0x00000000045F0000-0x00000000045F1000-memory.dmp
memory/3412-4-0x0000000000820000-0x0000000000826000-memory.dmp
memory/3412-5-0x0000000000820000-0x0000000000826000-memory.dmp
memory/1956-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3412-9-0x0000000000830000-0x0000000000836000-memory.dmp
memory/1956-12-0x00000000047B0000-0x0000000004E08000-memory.dmp