Analysis Overview
SHA256
90aba696da20cc79658922318e2624eb5ddea6cd5c08bea2018617ae79026da3
Threat Level: Shows suspicious behavior
The file b249dcfbe72dc741c6cdef6a19a052ec was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-04 13:52
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-04 13:52
Reported
2024-03-04 13:55
Platform
win7-20240220-en
Max time kernel
150s
Max time network
136s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\{9EC938C8-8543-AD4E-DD27-CD48CA2DEE55} = "C:\\Users\\Admin\\AppData\\Roaming\\Vubau\\mywi.exe" | C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1992 set thread context of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | C:\Windows\SysWOW64\cmd.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\cmd.exe |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0" | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Privacy | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Vubau\mywi.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\b249dcfbe72dc741c6cdef6a19a052ec.exe
"C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe"
C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe
"C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpb9d8a901.bat"
C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-15327495092059029896608600068-1704279424-499724045-312915142-1734203391-623858314"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 112
Network
| Country | Destination | Domain | Proto |
| KZ | 178.91.66.220:24686 | udp | |
| CO | 186.170.220.143:16661 | udp | |
| CN | 111.186.54.70:28012 | udp | |
| RU | 46.48.227.44:21929 | udp | |
| PL | 85.222.119.198:12288 | udp | |
| PL | 83.9.25.144:13877 | udp | |
| MX | 201.164.147.163:20373 | udp | |
| US | 99.66.12.13:22715 | udp | |
| US | 70.176.181.61:23538 | udp |
Files
memory/1992-1-0x00000000002D0000-0x000000000031D000-memory.dmp
memory/1992-0-0x0000000000280000-0x00000000002C4000-memory.dmp
memory/1992-2-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1992-4-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1992-5-0x0000000000400000-0x0000000000444000-memory.dmp
C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe
| MD5 | 55d0afb20708a172653e5fe694987d62 |
| SHA1 | 24f0fe99545293a66e9924d9a4268bfad9d2114d |
| SHA256 | ae97aa492cf245d3acc1728ce1b7e307fd5c72daaeb09b7381f8c5fef57f446b |
| SHA512 | 659b3128abc3f25e4db61363e9cce1f945e2383a4c59a907c10ee29b8ba51ca099ccd30fe75cfb3c88f8e4049fd9b167a5356c95c82d6e6dd7383caa240e089f |
memory/1992-3-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2368-15-0x0000000000280000-0x00000000002C4000-memory.dmp
memory/2368-16-0x0000000000310000-0x000000000035D000-memory.dmp
memory/1060-18-0x0000000002250000-0x0000000002294000-memory.dmp
memory/2368-20-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1060-21-0x0000000002250000-0x0000000002294000-memory.dmp
memory/1060-22-0x0000000002250000-0x0000000002294000-memory.dmp
memory/1060-19-0x0000000002250000-0x0000000002294000-memory.dmp
memory/1060-23-0x0000000002250000-0x0000000002294000-memory.dmp
memory/1152-26-0x00000000001D0000-0x0000000000214000-memory.dmp
memory/1152-28-0x00000000001D0000-0x0000000000214000-memory.dmp
memory/1152-30-0x00000000001D0000-0x0000000000214000-memory.dmp
memory/1152-32-0x00000000001D0000-0x0000000000214000-memory.dmp
memory/1188-35-0x0000000002470000-0x00000000024B4000-memory.dmp
memory/1188-36-0x0000000002470000-0x00000000024B4000-memory.dmp
memory/1188-37-0x0000000002470000-0x00000000024B4000-memory.dmp
memory/1188-38-0x0000000002470000-0x00000000024B4000-memory.dmp
memory/1456-40-0x0000000001C80000-0x0000000001CC4000-memory.dmp
memory/1456-42-0x0000000001C80000-0x0000000001CC4000-memory.dmp
memory/1456-44-0x0000000001C80000-0x0000000001CC4000-memory.dmp
memory/1456-46-0x0000000001C80000-0x0000000001CC4000-memory.dmp
memory/1992-49-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-50-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-51-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-52-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-53-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-54-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-57-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1992-59-0x00000000775A0000-0x00000000775A1000-memory.dmp
memory/1992-60-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-56-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-62-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-64-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-66-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-68-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-70-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-72-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-74-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-76-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-78-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-80-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-82-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-150-0x0000000000560000-0x0000000000561000-memory.dmp
memory/1992-170-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1992-171-0x0000000000510000-0x0000000000554000-memory.dmp
memory/1264-279-0x0000000002600000-0x0000000002644000-memory.dmp
memory/1264-281-0x00000000775A0000-0x00000000775A1000-memory.dmp
memory/1264-283-0x0000000000330000-0x0000000000331000-memory.dmp
memory/2368-284-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1264-286-0x0000000002600000-0x0000000002644000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-04 13:52
Reported
2024-03-04 13:55
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe
"C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5108 -ip 5108
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 284
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 186.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |