Analysis Overview
SHA256
c56f8d3b2945eeeafb159b5d98e933c2a731a507df022c21f7f214770ce36416
Threat Level: Known bad
The file f65d8bf522dfa45bdcde26623f249ba0N.exe was found to be: Known bad.
Malicious Activity Summary
Urelas
Urelas family
UPX packed file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Deletes itself
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-04 18:01
Signatures
Urelas family
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
2024-08-04 18:01
Reported
2024-08-04 18:04
Platform
win7-20240705-en
Max time kernel
118s
Max time network
124s
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\huter.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\f65d8bf522dfa45bdcde26623f249ba0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\huter.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\f65d8bf522dfa45bdcde26623f249ba0N.exe
"C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe"
C:\Users\Admin\AppData\Local\Temp\huter.exe
"C:\Users\Admin\AppData\Local\Temp\huter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 112.175.88.209:11120 | tcp | |
| KR | 112.175.88.208:11150 | tcp | |
| KR | 112.175.88.209:11170 | tcp | |
| KR | 112.175.88.207:11150 | tcp |
Files
memory/2272-0-0x0000000000400000-0x0000000000431000-memory.dmp
\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 4740ae91a5225b51d0371231ae3edefd |
| SHA1 | b9b0c4588c50a84f264091eeeea14802a3fb01fc |
| SHA256 | ddf61ff42b5a57b0f10e31c1128142f3551dcdccfdccc11cca62828f36e58e0c |
| SHA512 | a3f1ee10e704d39a6e2498a983705d98eaea4da913943dcff378811f68d2d9eac8e3e81bcdabefddd0de5d1e722a11c5218525ce1299caba0a595ef68fb143a2 |
memory/2272-6-0x0000000002A00000-0x0000000002A31000-memory.dmp
memory/2800-10-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | f264cae5660baa5e9ef874fb670effaf |
| SHA1 | 003e89392c389ef7f83749c33736c27c3c38a3c7 |
| SHA256 | 007dbc3e13817b2259f78069f9ba2dd72e39184a2efebbf56fba582c6b641772 |
| SHA512 | 2fe07a58005080b08507c2d47cf43655b422687d97f128bf5c50643aaf9bec6e030bea9ab23fe75368d47ee6cee942a20f6484cc5e5755d7af9fd0ecfea0bca4 |
memory/2272-19-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/2800-22-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2800-24-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2800-30-0x0000000000400000-0x0000000000431000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-04 18:01
Reported
2024-08-04 18:03
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
97s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\huter.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\f65d8bf522dfa45bdcde26623f249ba0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\huter.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1372 wrote to memory of 744 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1372 wrote to memory of 744 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1372 wrote to memory of 744 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1372 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1372 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1372 wrote to memory of 976 | N/A | C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe
"C:\Users\Admin\AppData\Local\Temp\f65d8bf522dfa45bdcde26623f249ba0N.exe"
C:\Users\Admin\AppData\Local\Temp\huter.exe
"C:\Users\Admin\AppData\Local\Temp\huter.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| KR | 112.175.88.209:11120 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 112.175.88.208:11150 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| KR | 112.175.88.209:11170 | tcp | |
| KR | 112.175.88.207:11150 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/1372-0-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | a6e81e2fe954076e769958bca321937c |
| SHA1 | 768baab32de67b676e81782901b989174f59c828 |
| SHA256 | e0b62f48f224009ecfc72e667b57ed989d8a93c0f487b2242478a1ec4241551b |
| SHA512 | 998655c20d0dbd0ac97cbfbd88d61766e0b19b770ebc1e429ed7f6c392d7025695dafc9ab8558e1e11bb3325d4f31b80e829ed04b4a954446c07ceb64d92a2c0 |
memory/744-15-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1372-18-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | f264cae5660baa5e9ef874fb670effaf |
| SHA1 | 003e89392c389ef7f83749c33736c27c3c38a3c7 |
| SHA256 | 007dbc3e13817b2259f78069f9ba2dd72e39184a2efebbf56fba582c6b641772 |
| SHA512 | 2fe07a58005080b08507c2d47cf43655b422687d97f128bf5c50643aaf9bec6e030bea9ab23fe75368d47ee6cee942a20f6484cc5e5755d7af9fd0ecfea0bca4 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/744-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/744-23-0x0000000000400000-0x0000000000431000-memory.dmp
memory/744-29-0x0000000000400000-0x0000000000431000-memory.dmp