Analysis Overview
SHA256
62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e
Threat Level: Known bad
The file 62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e was found to be: Known bad.
Malicious Activity Summary
Urelas
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-12 22:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-12 22:30
Reported
2024-10-12 22:32
Platform
win7-20240729-en
Max time kernel
89s
Max time network
86s
Command Line
Signatures
Urelas
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe
"C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.47.76:11120 | tcp | |
| KR | 218.54.47.74:11150 | tcp | |
| KR | 218.54.47.76:11170 | tcp | |
| KR | 218.54.47.77:11150 | tcp |
Files
memory/2308-0-0x0000000000D40000-0x0000000000D65000-memory.dmp
\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | 53d56ae67a01c40e9e956928ab3350d3 |
| SHA1 | d1a2c008f5a992f73c0afc66790da249cf9506ae |
| SHA256 | 3d3e7b4ae5b265480a68278d3ed6f4737f5c041700afcb1658dff5af3dd2db71 |
| SHA512 | 7f3ff1c91ee837d9fb97b22d3723cae9e6ab734dfeb2aad25d35f61c7e41ce074941cc0374144d95f12507ca21999f02bd77d46b08ce0c16d0e913ac1d0b5659 |
memory/2308-5-0x0000000000620000-0x0000000000645000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | b7369bcb1bcb9e75f0fb5a3c07a3cafe |
| SHA1 | 1e362cb74f1dc8e01e5824f6c251edc854323cde |
| SHA256 | 00e4c8725c8ca4cd9aa4d05085854898ae25ff43a56cd757b21c620c2a0a76af |
| SHA512 | a065bb3d32b3a16704d549dad89e354cd8bfe5e40782c82817148e6a79788e897a37672bb0ff4a579f625f7bfa333ba7e2241f9cdbee1629be23b6bbf3eb34cd |
memory/2308-18-0x0000000000D40000-0x0000000000D65000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | efd90b3ac908d5482af367de3a82184a |
| SHA1 | de9f01d2ed0247b7b347e55c5a09721a60147fb9 |
| SHA256 | 44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d |
| SHA512 | 6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02 |
memory/2784-21-0x0000000000890000-0x00000000008B5000-memory.dmp
memory/2784-23-0x0000000000890000-0x00000000008B5000-memory.dmp
memory/2784-29-0x0000000000890000-0x00000000008B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-12 22:30
Reported
2024-10-12 22:32
Platform
win10v2004-20241007-en
Max time kernel
91s
Max time network
93s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe
"C:\Users\Admin\AppData\Local\Temp\62744ce3b4475009d05b094c05bbd130ee7f151bc449ba1af6fbb56dfbaf413e.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 218.54.47.76:11120 | tcp | |
| KR | 218.54.47.74:11150 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| KR | 218.54.47.76:11170 | tcp | |
| KR | 218.54.47.77:11150 | tcp |
Files
memory/4944-0-0x0000000000F60000-0x0000000000F85000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | 1c7a79d546d58371e470f39bbeb6ee2a |
| SHA1 | cb7a7fadf89eb4500680a26aa95ce05d0434cb32 |
| SHA256 | d1061aaea95973c0be8c3c535a0a1328280cf94a1da51ae3ea8efda4bd29b6f5 |
| SHA512 | e7975880d969b32b23ed5d02de76467a5d39e8e476c6842c81f850b868e1e32d92189f12ebdfbf45531a04bdcf4046a1bd8eba463e4a4dc87a8913e22ed4b3a5 |
memory/1520-13-0x0000000000950000-0x0000000000975000-memory.dmp
memory/4944-18-0x0000000000F60000-0x0000000000F85000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | b7369bcb1bcb9e75f0fb5a3c07a3cafe |
| SHA1 | 1e362cb74f1dc8e01e5824f6c251edc854323cde |
| SHA256 | 00e4c8725c8ca4cd9aa4d05085854898ae25ff43a56cd757b21c620c2a0a76af |
| SHA512 | a065bb3d32b3a16704d549dad89e354cd8bfe5e40782c82817148e6a79788e897a37672bb0ff4a579f625f7bfa333ba7e2241f9cdbee1629be23b6bbf3eb34cd |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | efd90b3ac908d5482af367de3a82184a |
| SHA1 | de9f01d2ed0247b7b347e55c5a09721a60147fb9 |
| SHA256 | 44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d |
| SHA512 | 6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02 |
memory/1520-21-0x0000000000950000-0x0000000000975000-memory.dmp
memory/1520-23-0x0000000000950000-0x0000000000975000-memory.dmp
memory/1520-29-0x0000000000950000-0x0000000000975000-memory.dmp