Analysis Overview
SHA256
73e506879a2d33b72c2dce161ff27fef46fc753d9a2dfc5590df3282bfc73ee0
Threat Level: Known bad
The file b253fe41b9c0ed7fbe3a8e2f38bcd864 was found to be: Known bad.
Malicious Activity Summary
Modifies visiblity of hidden/system files in Explorer
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-04 14:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-04 14:11
Reported
2024-03-04 14:14
Platform
win7-20240221-en
Max time kernel
150s
Max time network
119s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | C:\Users\Admin\hauca.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\hauca.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\hauca = "C:\\Users\\Admin\\hauca.exe" | C:\Users\Admin\hauca.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | N/A |
| N/A | N/A | C:\Users\Admin\hauca.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe
"C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe"
C:\Users\Admin\hauca.exe
"C:\Users\Admin\hauca.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 804
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ns2.thepicturehut.net | udp |
Files
memory/2780-0-0x0000000000400000-0x0000000000421000-memory.dmp
\Users\Admin\hauca.exe
| MD5 | dab10ecc3b2078af4ea7161ff2944f9c |
| SHA1 | 05759c3e1d34ccd4c623d2105d68e5f306140d42 |
| SHA256 | aea9a29bd5c19f0b3d41e5cd789937539064ea0083b9b3d2a2c5e5b4868170bd |
| SHA512 | dfe71dde4ce584daf4310ee705bdf92b615fd9542fc2ab56dd36aab2ec026eeaa376990a230e6b08d29bca27cb88a19fd07daef9febb4de90762beaa8afb5a4e |
memory/2780-14-0x0000000003DE0000-0x0000000003E01000-memory.dmp
memory/2832-15-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2780-19-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2780-20-0x0000000003DE0000-0x0000000003E01000-memory.dmp
memory/2780-21-0x0000000003DE0000-0x0000000003E01000-memory.dmp
memory/2832-22-0x0000000000400000-0x0000000000421000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-04 14:11
Reported
2024-03-04 14:14
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | C:\Users\Admin\zeune.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\zeune.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zeune = "C:\\Users\\Admin\\zeune.exe" | C:\Users\Admin\zeune.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | N/A |
| N/A | N/A | C:\Users\Admin\zeune.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2648 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | C:\Users\Admin\zeune.exe |
| PID 2648 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | C:\Users\Admin\zeune.exe |
| PID 2648 wrote to memory of 2020 | N/A | C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe | C:\Users\Admin\zeune.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe
"C:\Users\Admin\AppData\Local\Temp\b253fe41b9c0ed7fbe3a8e2f38bcd864.exe"
C:\Users\Admin\zeune.exe
"C:\Users\Admin\zeune.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2648 -ip 2648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1636
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ns2.thepicturehut.net | 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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.143.182.52.in-addr.arpa | udp |
Files
memory/2648-0-0x0000000000400000-0x0000000000421000-memory.dmp
C:\Users\Admin\zeune.exe
| MD5 | e03aef1441b64035edb75d5e5256a67e |
| SHA1 | 91561c97218ebfafa1ac9742627114e8098c3b51 |
| SHA256 | d06a9a4938d893d200f24f418460a9a7f057496f8ae1e85fbc205874d2fbd455 |
| SHA512 | 6ba29f9c64cf8faa82fd50224fa078ded9c4357064fe392b0cbb3f56b2deea6e5d6952858fc76cf5648ef0b647439eb5a34774b2ff349816fdf7de4f39c04b3d |
memory/2020-33-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2648-37-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2020-38-0x0000000000400000-0x0000000000421000-memory.dmp