Analysis Overview
SHA256
21975b5d29637803300a8442c7f0cedd2966acc4a15fde77479ac5ad7b01c5ba
Threat Level: Known bad
The file NEAS.f912be8287054d423391ab02ae3ce840.exe was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-25 21:47
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-25 21:47
Reported
2023-10-25 21:49
Platform
win7-20231020-en
Max time kernel
150s
Max time network
152s
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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\B1026F82 = "C:\\Users\\Admin\\AppData\\Roaming\\B1026F82\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
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\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.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 |
Files
memory/3068-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3068-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/3068-3-0x0000000001B70000-0x0000000002570000-memory.dmp
memory/1272-4-0x0000000002990000-0x0000000002996000-memory.dmp
memory/2140-9-0x000000007757F000-0x0000000077581000-memory.dmp
memory/2140-8-0x000000007757F000-0x0000000077580000-memory.dmp
memory/2140-7-0x0000000077580000-0x0000000077581000-memory.dmp
memory/1272-6-0x0000000002990000-0x0000000002996000-memory.dmp
memory/2140-5-0x0000000000100000-0x0000000000106000-memory.dmp
memory/1272-10-0x00000000773D1000-0x00000000773D2000-memory.dmp
memory/1272-2-0x0000000002990000-0x0000000002996000-memory.dmp
memory/2140-11-0x0000000000DD0000-0x0000000000DE6000-memory.dmp
memory/3068-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3068-13-0x0000000001B70000-0x0000000002570000-memory.dmp
memory/2140-16-0x0000000000150000-0x0000000000151000-memory.dmp
memory/1132-20-0x0000000000410000-0x0000000000416000-memory.dmp
memory/1132-21-0x00000000773D1000-0x00000000773D2000-memory.dmp
memory/2140-23-0x0000000000100000-0x0000000000106000-memory.dmp
memory/1232-27-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1272-26-0x00000000029A0000-0x00000000029A6000-memory.dmp
memory/1272-28-0x00000000029A0000-0x00000000029A6000-memory.dmp
memory/2140-32-0x0000000000160000-0x0000000000161000-memory.dmp
memory/1272-33-0x0000000077560000-0x0000000077561000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-25 21:47
Reported
2023-10-25 21:49
Platform
win10v2004-20231023-en
Max time kernel
7s
Max time network
10s
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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4A442582 = "C:\\Users\\Admin\\AppData\\Roaming\\4A442582\\bin.exe" | C:\Windows\SysWOW64\winver.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
| Description | Indicator | Process | Target |
| PID 4092 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4092 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4092 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe | C:\Windows\SysWOW64\winver.exe |
| PID 4092 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe | C:\Windows\SysWOW64\winver.exe |
| PID 752 wrote to memory of 3272 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\Explorer.EXE |
| PID 752 wrote to memory of 2328 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\svchost.exe |
| PID 752 wrote to memory of 2340 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\sihost.exe |
| PID 752 wrote to memory of 2460 | N/A | C:\Windows\SysWOW64\winver.exe | C:\Windows\system32\taskhostw.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe"
C:\Windows\SysWOW64\winver.exe
winver
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 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.178.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.21.30.184.in-addr.arpa | udp |
Files
memory/4092-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4092-1-0x0000000002160000-0x0000000002161000-memory.dmp
memory/3272-2-0x0000000001230000-0x0000000001236000-memory.dmp
memory/4092-4-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/3272-3-0x0000000001230000-0x0000000001236000-memory.dmp
memory/752-5-0x0000000077272000-0x0000000077273000-memory.dmp
memory/3272-6-0x00007FFC9650D000-0x00007FFC9650E000-memory.dmp
memory/752-7-0x0000000000540000-0x0000000000546000-memory.dmp
memory/4092-8-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4092-9-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/2340-13-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2460-14-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/2340-16-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/3272-17-0x0000000001250000-0x0000000001256000-memory.dmp
memory/2460-19-0x0000000000BA0000-0x0000000000BA6000-memory.dmp