Analysis Overview
SHA256
0f09f3e21430744c3c858ea52acccae0a78e5f4877db67888907d0b524694c2b
Threat Level: Known bad
The file bfb2d0ba26e58380d9726ff90275fd8d was found to be: Known bad.
Malicious Activity Summary
Urelas
Urelas family
Deletes itself
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-11 03:16
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 03:16
Reported
2024-03-11 03:18
Platform
win7-20240221-en
Max time kernel
121s
Max time network
125s
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\bfb2d0ba26e58380d9726ff90275fd8d.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe
"C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.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/1908-0-0x0000000000830000-0x000000000086D000-memory.dmp
memory/1908-8-0x0000000000410000-0x000000000044D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 9b2b6a72b0390126bd9f0c14bcbae8db |
| SHA1 | d37185b590933823b126ccf44a019173d5d2ae30 |
| SHA256 | ab9629033942bae26ad02445573bcf94471b439859cf7074c24d11372a29a507 |
| SHA512 | aebef38a95a92b56897cd23fb4a0b72de9baeb203a86b62a923422459e7a5f4a9cb0b607e43d83273ebc795636fae2723a07f78e5476e31e6d6ca48172c58358 |
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | ab256c064d4f0976a2f3b2d793c537a8 |
| SHA1 | fe1884631a196957a7fc210267e2bab34d7a4ad1 |
| SHA256 | 0f8b69ab136d0985dc56a6d6184d620410dec86eb37d3ed3e3f3686326e9ebad |
| SHA512 | 8130cc242e0ca5d84c7d8b4034e05231587c4cd925818f4abddd0dd52f2c0e74013d963ca4591c3d0f28487c5c48d93f4a8a6a90cfb5697d9422b4a7a6d86f05 |
memory/2632-18-0x00000000003D0000-0x000000000040D000-memory.dmp
memory/1908-17-0x0000000000830000-0x000000000086D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 7295fb9368a0ef278de4b9755bf9fa1b |
| SHA1 | db5fa220d77ed7824ae0a4f822e0ce46010a5d77 |
| SHA256 | dd259fcdbf04aa773ede7515d6a83e5b112ed3d9eef4632cf856771bfeaafd98 |
| SHA512 | dd1a996311188c0baa54097fc7023f13e71115265fadb9dfa35f2a8d9df8aed1e37bd00ef612577d2eb63ba1b612a7b16a765ebfce3b7c9e7efebe54890eb88a |
memory/2632-21-0x00000000003D0000-0x000000000040D000-memory.dmp
memory/2632-22-0x00000000003D0000-0x000000000040D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-11 03:16
Reported
2024-03-11 03:18
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Urelas
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\bfb2d0ba26e58380d9726ff90275fd8d.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\huter.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1932 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1932 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1932 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 1932 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1932 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1932 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.exe
"C:\Users\Admin\AppData\Local\Temp\bfb2d0ba26e58380d9726ff90275fd8d.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 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| KR | 112.175.88.209:11120 | tcp | |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| KR | 112.175.88.208:11150 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| KR | 112.175.88.209:11170 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| KR | 112.175.88.207:11150 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.173.189.20.in-addr.arpa | udp |
Files
memory/1932-0-0x00000000002D0000-0x000000000030D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 7c69c71697cabe4e758ed1275bae6192 |
| SHA1 | 2fa83281d17947e863bd48fcff5bcce24f2f4b1e |
| SHA256 | f3e90a7f922fda72f1007cd5ecc88e9633128af01712e724c4b9e76c765a3bf7 |
| SHA512 | 27259912a900d1d2ccc3e615396a8b818c98090959b57f71a7945ac829a9bb433bd1e1cb13944667b13c9ebfc2ed4ffc4df357e0b3f186b0f2c1caa29f68281f |
memory/796-10-0x0000000000A50000-0x0000000000A8D000-memory.dmp
memory/1932-14-0x00000000002D0000-0x000000000030D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 9b2b6a72b0390126bd9f0c14bcbae8db |
| SHA1 | d37185b590933823b126ccf44a019173d5d2ae30 |
| SHA256 | ab9629033942bae26ad02445573bcf94471b439859cf7074c24d11372a29a507 |
| SHA512 | aebef38a95a92b56897cd23fb4a0b72de9baeb203a86b62a923422459e7a5f4a9cb0b607e43d83273ebc795636fae2723a07f78e5476e31e6d6ca48172c58358 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 7295fb9368a0ef278de4b9755bf9fa1b |
| SHA1 | db5fa220d77ed7824ae0a4f822e0ce46010a5d77 |
| SHA256 | dd259fcdbf04aa773ede7515d6a83e5b112ed3d9eef4632cf856771bfeaafd98 |
| SHA512 | dd1a996311188c0baa54097fc7023f13e71115265fadb9dfa35f2a8d9df8aed1e37bd00ef612577d2eb63ba1b612a7b16a765ebfce3b7c9e7efebe54890eb88a |
memory/796-17-0x0000000000A50000-0x0000000000A8D000-memory.dmp
memory/796-18-0x0000000000A50000-0x0000000000A8D000-memory.dmp