Analysis Overview
SHA256
fb86575717c9dde3814f8be94e4ce40bda55e46933e3d2a9837061de091fcce4
Threat Level: Known bad
The file NEAS.5a696aff92e17e6f267bf5813a46ea90.exe was found to be: Known bad.
Malicious Activity Summary
Berbew family
Malware Backdoor - Berbew
Tinba / TinyBanker
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-05 22:22
Signatures
Berbew family
Malware Backdoor - Berbew
| 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
2023-11-05 22:22
Reported
2023-11-05 22:36
Platform
win7-20231025-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\9CAFD9BA = "C:\\Users\\Admin\\AppData\\Roaming\\9CAFD9BA\\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\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Users\Admin\AppData\Local\Temp\NEAS.5a696aff92e17e6f267bf5813a46ea90.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5a696aff92e17e6f267bf5813a46ea90.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/284-0-0x0000000004460000-0x0000000005562000-memory.dmp
memory/284-1-0x0000000001E30000-0x0000000001E31000-memory.dmp
memory/284-2-0x0000000004460000-0x0000000005562000-memory.dmp
memory/284-3-0x0000000001E30000-0x0000000001E31000-memory.dmp
memory/284-6-0x0000000005870000-0x0000000006270000-memory.dmp
memory/2792-8-0x0000000000110000-0x0000000000116000-memory.dmp
memory/2792-10-0x00000000007F0000-0x0000000000806000-memory.dmp
memory/1252-11-0x0000000002950000-0x0000000002956000-memory.dmp
memory/2792-9-0x0000000000110000-0x0000000000116000-memory.dmp
memory/1252-7-0x0000000002950000-0x0000000002956000-memory.dmp
memory/1252-5-0x0000000002950000-0x0000000002956000-memory.dmp
memory/1252-13-0x0000000077541000-0x0000000077542000-memory.dmp
memory/2792-14-0x00000000776EF000-0x00000000776F0000-memory.dmp
memory/2792-12-0x0000000000110000-0x0000000000116000-memory.dmp
memory/2792-15-0x00000000776EF000-0x00000000776F1000-memory.dmp
memory/2792-16-0x00000000776F0000-0x00000000776F1000-memory.dmp
memory/284-18-0x0000000000400000-0x000000000043D000-memory.dmp
memory/284-19-0x0000000005870000-0x0000000006270000-memory.dmp
memory/1132-21-0x0000000001D50000-0x0000000001D56000-memory.dmp
memory/1188-24-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1132-25-0x0000000001D50000-0x0000000001D56000-memory.dmp
memory/1252-30-0x00000000029B0000-0x00000000029B6000-memory.dmp
memory/1188-29-0x00000000001A0000-0x00000000001A6000-memory.dmp
memory/1252-32-0x00000000029B0000-0x00000000029B6000-memory.dmp
memory/1132-27-0x0000000077541000-0x0000000077542000-memory.dmp
memory/2792-34-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2792-35-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2792-36-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2792-37-0x00000000001A0000-0x00000000001A1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-05 22:22
Reported
2023-11-05 22:39
Platform
win10v2004-20231023-en
Max time kernel
40s
Max time network
46s
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 |
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.5a696aff92e17e6f267bf5813a46ea90.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5a696aff92e17e6f267bf5813a46ea90.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.101.122.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.22.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/3948-1-0x0000000004540000-0x0000000005642000-memory.dmp
memory/3948-2-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/3948-3-0x0000000004540000-0x0000000005642000-memory.dmp