Analysis Overview
SHA256
70e5336297aefe2a4c87d255f832f7e95cc47afb7768d086dcaa421803a4e77c
Threat Level: Known bad
The file 77210ac8af5ad4d73e544ad5c019d37f was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Program crash
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 18:26
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 18:26
Reported
2023-12-19 20:52
Platform
win7-20231129-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C256BBA7 = "C:\\Users\\Admin\\AppData\\Roaming\\C256BBA7\\bin.exe" | 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 |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.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\77210ac8af5ad4d73e544ad5c019d37f.exe
"C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spaines.pw | udp |
| US | 216.218.185.162:80 | spaines.pw | tcp |
| US | 8.8.8.8:53 | uyhgqunqkxnx.pw | udp |
| SG | 45.77.249.79:80 | uyhgqunqkxnx.pw | tcp |
| US | 8.8.8.8:53 | vcklmnnejwxx.pw | udp |
| US | 216.218.185.162:80 | vcklmnnejwxx.pw | tcp |
Files
memory/2420-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2420-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2420-3-0x0000000001CA0000-0x00000000026A0000-memory.dmp
memory/2928-4-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1328-2-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1328-6-0x0000000002510000-0x0000000002516000-memory.dmp
memory/1328-11-0x0000000077C51000-0x0000000077C52000-memory.dmp
memory/2928-10-0x0000000077E00000-0x0000000077E01000-memory.dmp
memory/2928-9-0x0000000077DFF000-0x0000000077E01000-memory.dmp
memory/2928-8-0x0000000077DFF000-0x0000000077E00000-memory.dmp
memory/2928-7-0x0000000000770000-0x0000000000786000-memory.dmp
memory/2420-12-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2420-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp
memory/2928-15-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/2928-16-0x00000000001E0000-0x00000000001E1000-memory.dmp
memory/1292-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp
memory/1328-23-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/1176-24-0x0000000000510000-0x0000000000516000-memory.dmp
memory/1176-25-0x0000000077C51000-0x0000000077C52000-memory.dmp
memory/1292-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp
memory/1328-27-0x00000000024C0000-0x00000000024C6000-memory.dmp
memory/2928-31-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/2928-32-0x00000000001F0000-0x00000000001F1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 18:26
Reported
2023-12-19 20:52
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AE8C3F75 = "C:\\Users\\Admin\\AppData\\Roaming\\AE8C3F75\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
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 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 |
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 |
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 2272 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2272 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2272 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe | C:\Windows\SysWOW64\winver.exe |
| PID 2272 wrote to memory of 1996 | N/A | C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe | C:\Windows\SysWOW64\winver.exe |
| PID 1996 wrote to memory of 3520 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 1996 wrote to memory of 2592 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe
"C:\Users\Admin\AppData\Local\Temp\77210ac8af5ad4d73e544ad5c019d37f.exe"
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1996 -ip 1996
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/2272-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2272-1-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/3520-2-0x0000000002B60000-0x0000000002B66000-memory.dmp
memory/3520-3-0x0000000002B60000-0x0000000002B66000-memory.dmp
memory/2272-4-0x0000000002290000-0x0000000002C90000-memory.dmp
memory/1996-6-0x00000000778C2000-0x00000000778C3000-memory.dmp
memory/1996-5-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/3520-7-0x00007FFE5930D000-0x00007FFE5930E000-memory.dmp
memory/1996-8-0x0000000000C60000-0x0000000000C72000-memory.dmp
memory/2272-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2272-10-0x0000000002290000-0x0000000002C90000-memory.dmp
memory/2592-14-0x0000000000B10000-0x0000000000B16000-memory.dmp
memory/1996-15-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/3520-17-0x00007FFE594A0000-0x00007FFE594A1000-memory.dmp
memory/3520-18-0x00007FFE59480000-0x00007FFE59481000-memory.dmp