Analysis Overview
SHA256
574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53e
Threat Level: Known bad
The file 574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN was found to be: Known bad.
Malicious Activity Summary
Urelas
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-10 02:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-10 02:40
Reported
2024-10-10 02:42
Platform
win7-20240903-en
Max time kernel
120s
Max time network
81s
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\bulat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fiawl.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bulat.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\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bulat.exe | N/A |
| 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\fiawl.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe
"C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe"
C:\Users\Admin\AppData\Local\Temp\bulat.exe
"C:\Users\Admin\AppData\Local\Temp\bulat.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\fiawl.exe
"C:\Users\Admin\AppData\Local\Temp\fiawl.exe"
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.31.226:11300 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| KR | 218.54.31.166:11300 | tcp | |
| JP | 133.242.129.155:11300 | tcp |
Files
memory/664-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/664-0-0x0000000000830000-0x00000000008B1000-memory.dmp
\Users\Admin\AppData\Local\Temp\bulat.exe
| MD5 | 4f5a6f69217e64fc65a311ffa085e3c6 |
| SHA1 | 3eb67f1f993a70a710288d375793774cfe6e4212 |
| SHA256 | 381ad861b265c6229a199135b852db0b00855bbad758360fb47840a32b827a90 |
| SHA512 | 10cdda333be75c3bfbaa829072fd62b530433a2356a452fa94a767731c8f700acc463cf8c128b7a8b4875356fc354b73e697a58c1d8dc1c3f2442dc901ff4036 |
memory/1964-12-0x0000000000020000-0x0000000000021000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 2ac8bad7a05f3bdc1723eef5800eb79c |
| SHA1 | a044dd8d21f925f722d8928ab090ed0700440102 |
| SHA256 | 4e21be48d3d6bf7a95c749ba0d9f9fddef739edcb6445032282dffe033169d28 |
| SHA512 | 480e592af44a045b8f0ef68f5b71404bc6ed09c66c9443821dc562435386e8ab886ce2c75ae82a07ed31a35481c5cb22f837253a9ff518144198858334c3dace |
memory/1964-11-0x0000000000330000-0x00000000003B1000-memory.dmp
memory/664-9-0x00000000024A0000-0x0000000002521000-memory.dmp
memory/664-21-0x0000000000830000-0x00000000008B1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 09ec4361993f035c2aba94def172b5c3 |
| SHA1 | 2c5408dc056cf3dd04ce2b9e242646e51c5843f9 |
| SHA256 | ecf49b338e9cebaa960fa525de51e96274ccd18d5bb7f0a9fa3c20d156234a58 |
| SHA512 | b4ea318d9df8391a5d3a4d09c4a64a64f7092c662ea6a8034e0cdab0ac98ca76d093a62ffd6cb800a64fc2e9e753a951697ef325791a23b26e3d29afc6555d3f |
memory/1964-24-0x0000000000330000-0x00000000003B1000-memory.dmp
\Users\Admin\AppData\Local\Temp\fiawl.exe
| MD5 | e18dba26c029029ea84ab99f3e3773b7 |
| SHA1 | dd6f964e1381a6ad11062275c4f3e361efcda958 |
| SHA256 | 0f36f0758f2aac5fc1b88fc0f33778db41d02e1a232b1171654d2878bd259f9b |
| SHA512 | c44cf60af54cac034d7752e27c0d7f9130d82a63190139d414edd9ef5c6a622edaf210fdb6ae6817284c4a05c357ff0a056e97176e00ee251d8a2b4aeedc86bb |
memory/2696-43-0x00000000011F0000-0x0000000001289000-memory.dmp
memory/2696-42-0x00000000011F0000-0x0000000001289000-memory.dmp
memory/1964-41-0x0000000000330000-0x00000000003B1000-memory.dmp
memory/1964-39-0x0000000003920000-0x00000000039B9000-memory.dmp
memory/2696-47-0x00000000011F0000-0x0000000001289000-memory.dmp
memory/2696-48-0x00000000011F0000-0x0000000001289000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-10 02:40
Reported
2024-10-10 02:42
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
94s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\xebuj.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xebuj.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\opbio.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\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\xebuj.exe | N/A |
| 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\opbio.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe
"C:\Users\Admin\AppData\Local\Temp\574bca65b0b385c9649f0d5cc3e0f58b9e912fbe60beaec3285f356dae7cc53eN.exe"
C:\Users\Admin\AppData\Local\Temp\xebuj.exe
"C:\Users\Admin\AppData\Local\Temp\xebuj.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\opbio.exe
"C:\Users\Admin\AppData\Local\Temp\opbio.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11300 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| KR | 218.54.31.166:11300 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| JP | 133.242.129.155:11300 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/1144-0-0x0000000000760000-0x00000000007E1000-memory.dmp
memory/1144-1-0x0000000000FA0000-0x0000000000FA1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xebuj.exe
| MD5 | c4508086819fc6218b2afeda806cb5f9 |
| SHA1 | 95c26bb15ca6db626bc6be3a77ded2eac6417640 |
| SHA256 | 8ffd34daeb0555e5052d1e48eb8a9f9108e77e7030ae18f82de1d38d4bdf8565 |
| SHA512 | 0947c35615e75e09fc74f96a85187b255f10b7359baab75141b5b7e95eb77608de0c982c2716a7ae06db12266cf185948c0cc8a061d07ad3a70d006b0ffa55db |
memory/2708-14-0x0000000000460000-0x0000000000461000-memory.dmp
memory/2708-13-0x00000000004D0000-0x0000000000551000-memory.dmp
memory/1144-17-0x0000000000760000-0x00000000007E1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 2ac8bad7a05f3bdc1723eef5800eb79c |
| SHA1 | a044dd8d21f925f722d8928ab090ed0700440102 |
| SHA256 | 4e21be48d3d6bf7a95c749ba0d9f9fddef739edcb6445032282dffe033169d28 |
| SHA512 | 480e592af44a045b8f0ef68f5b71404bc6ed09c66c9443821dc562435386e8ab886ce2c75ae82a07ed31a35481c5cb22f837253a9ff518144198858334c3dace |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | feb3a5c4d484c079efe42353a87bf640 |
| SHA1 | 83e7bf9790c6537817953d337d5bbb59c317c119 |
| SHA256 | 7fde0709ef871feca6f64f664c0af19ebf120332e317babd4eb9df693e7ddd4f |
| SHA512 | 13e2015da4ec21d02a143589a9ad0625f2e583a02492bbe48014e1f8070862f2de4730f22d780648dc106ed7151f43cfd4050dbaa97824017b7cf5147806897f |
memory/2708-20-0x00000000004D0000-0x0000000000551000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\opbio.exe
| MD5 | eaf6caa2de0ee4a6a31f6e62df30d150 |
| SHA1 | 9d6d5c725a731e1806b8485efa934a811eb9bdec |
| SHA256 | e8980b7c07847e9daccd40704c68ac0a1dc85758c60f672824edff2e439b083d |
| SHA512 | acf41927f81f7def407739b8a8bbf1852351e26f77fe3ed503402d87dfe68959fa85fd235906e8b7914865eff67d842a690cfd3a719adc92eee76fc5b3981f77 |
memory/3456-36-0x0000000000EA0000-0x0000000000F39000-memory.dmp
memory/2708-43-0x00000000004D0000-0x0000000000551000-memory.dmp
memory/3456-42-0x0000000000560000-0x0000000000562000-memory.dmp
memory/3456-38-0x0000000000EA0000-0x0000000000F39000-memory.dmp
memory/3456-45-0x0000000000EA0000-0x0000000000F39000-memory.dmp
memory/3456-46-0x0000000000EA0000-0x0000000000F39000-memory.dmp