Analysis Overview
SHA256
225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1ef
Threat Level: Known bad
The file 225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN was found to be: Known bad.
Malicious Activity Summary
Urelas
Executes dropped EXE
Checks computer location settings
Deletes itself
Loads dropped DLL
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-09 20:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-09 20:04
Reported
2024-10-09 20:07
Platform
win7-20240903-en
Max time kernel
111s
Max time network
71s
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\poldge.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.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\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\poldge.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\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe
"C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| KR | 218.54.28.240:11150 | tcp |
Files
memory/2364-0-0x0000000000400000-0x000000000043B000-memory.dmp
\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | 670ad8f4163632d38982c3fe71c1c841 |
| SHA1 | ce0a04cfcff12a9d796b730551376b0c5d697e6e |
| SHA256 | 3381868c5867ac676d180ae120b50bed4ab8c1888508ad8a96fc5a2e9c01f166 |
| SHA512 | 085849b3d0137443ef8f4f20f514b461ac6e8a2250d25d093abc9c4d9758e087edf94a1260cd78db84f5dc137da8605f52a9322641bbb811e17a68ba8321455a |
memory/2164-10-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2364-8-0x0000000002330000-0x000000000236B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | bf6c4086be51b071163fd7596f32a7ee |
| SHA1 | e3a8c94485f15eaf11ff0b801257e116dc1ee8bb |
| SHA256 | 35862351686091219f9596d157b2ed112343daece3b9003a3a0b1074df6b9d4c |
| SHA512 | fedb3bc7e6dcd1ea8dc1295fe68acb723698c3a0f2621c6e370e22e0e70afeb0b46ab7fdd0ad6a81f91f42d9e6d06b1f2cc147c2ce30ba7d47b114282f8c7ed3 |
memory/2364-19-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/2164-22-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2164-29-0x0000000000400000-0x000000000043B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-09 20:04
Reported
2024-10-09 20:07
Platform
win10v2004-20241007-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\poldge.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\poldge.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\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe
"C:\Users\Admin\AppData\Local\Temp\225741eda1e7ace8c3f0d07e42557387bf8f994b5fb77565e90c3926fae2e1efN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.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 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.190.18.2.in-addr.arpa | udp |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.11.19.2.in-addr.arpa | udp |
| KR | 218.54.28.240:11150 | tcp | |
| US | 8.8.8.8:53 | 134.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.72.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/3668-0-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | 775f4cc79413046e15eb5737b460d246 |
| SHA1 | b5ca4fcc05a99a494005a8464583a3efb57c2a1c |
| SHA256 | 35a19e7525c0a54a447c12164e646438839aad78bf3655345ba2e260c8848244 |
| SHA512 | 682b5a30220b1d47cfee6861efcdaefe7aa525e0c820b2177d6eef6d18a8bc51b1f7fc7237aa6a76b07e15513c76eb581e7842b0b27d5b7b6a1396188a636d5a |
memory/3668-14-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | bf6c4086be51b071163fd7596f32a7ee |
| SHA1 | e3a8c94485f15eaf11ff0b801257e116dc1ee8bb |
| SHA256 | 35862351686091219f9596d157b2ed112343daece3b9003a3a0b1074df6b9d4c |
| SHA512 | fedb3bc7e6dcd1ea8dc1295fe68acb723698c3a0f2621c6e370e22e0e70afeb0b46ab7fdd0ad6a81f91f42d9e6d06b1f2cc147c2ce30ba7d47b114282f8c7ed3 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/2968-17-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2968-23-0x0000000000400000-0x000000000043B000-memory.dmp