Analysis Overview
SHA256
cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c
Threat Level: Known bad
The file cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c was found to be: Known bad.
Malicious Activity Summary
Urelas
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-13 03:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-13 03:19
Reported
2024-10-13 03:21
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
95s
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\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\soixd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\soixd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nedax.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\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\soixd.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\nedax.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe
"C:\Users\Admin\AppData\Local\Temp\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe"
C:\Users\Admin\AppData\Local\Temp\soixd.exe
"C:\Users\Admin\AppData\Local\Temp\soixd.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\nedax.exe
"C:\Users\Admin\AppData\Local\Temp\nedax.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11300 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.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 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/1268-0-0x0000000000BC0000-0x0000000000C41000-memory.dmp
memory/1268-1-0x00000000003C0000-0x00000000003C1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\soixd.exe
| MD5 | 29ac865f4ca17516bb85d303989e4195 |
| SHA1 | 8fcc2219f27c98cb99794ee2f90dc56ef02be395 |
| SHA256 | 1a6a76c098a601c86e485f5a1f3038a0a5544880e2690ddf22a0657bd77a4544 |
| SHA512 | 018e38cc3c7b8bb345bbd61f9776d1209295390916eebe4d6dd00d5eef8659d6fc49f46d1ea3ac1f60edaaf35fae5f81c8c1bf64fd206feb47fe252c9fab21df |
memory/856-11-0x0000000000300000-0x0000000000381000-memory.dmp
memory/856-14-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/1268-17-0x0000000000BC0000-0x0000000000C41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 15820bc0f472e16c48367712bd45bc8a |
| SHA1 | 68b81be582dfe6da08dd2848db5309b4174e628f |
| SHA256 | bb610dce6841a5444a54aaecea848fe5a3df3d83191371a57a844a87acb02fb1 |
| SHA512 | 42643673844047646f4434a910876adf9b44b053ea6875e7df557bbbfcfe3d54900bc55ed37a7b42b3cfc7d0e1e5429fc4ddee766737f8c53417cc5a7b528bb8 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | b3d3cb799df41ec9cb6f0fed34c54e0d |
| SHA1 | 1da7e5aaa3a05ec1532a2980bd9b5606b0ed5b8d |
| SHA256 | a3fa6d09e7b34c5e74b6c911d267adaa49bd43b41dd4732f7590c56f40e430e8 |
| SHA512 | c7fd379a05f68cc25af6665693e45c06d3055a3a77c0afd16ec9b8072a34ce8205cd52c9530650679ff8fb3e46ca8902e0973f9956987062d2e77e8ab10dfefd |
memory/856-21-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/856-20-0x0000000000300000-0x0000000000381000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\nedax.exe
| MD5 | 57536b88d5e43d32d82e3c881fad5115 |
| SHA1 | 16d764569043938497b6b2c976192ede24161dab |
| SHA256 | 09219396afaa505f6acc7c7e725d922152ac1f3996e4f03624015f90d9054933 |
| SHA512 | 50ed16849db6552c08df802ab0b70aa4148d75516e4426edbb2338899ff87f75f725d6c2adf284805c08ec081b5dd661f9e7174de153a55fb59b2834ae0c8f58 |
memory/4772-39-0x00000000003A0000-0x00000000003A2000-memory.dmp
memory/856-44-0x0000000000300000-0x0000000000381000-memory.dmp
memory/4772-40-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-38-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-46-0x00000000003A0000-0x00000000003A2000-memory.dmp
memory/4772-47-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-48-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-49-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-50-0x00000000002E0000-0x0000000000379000-memory.dmp
memory/4772-51-0x00000000002E0000-0x0000000000379000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-13 03:19
Reported
2024-10-13 03:21
Platform
win7-20240729-en
Max time kernel
149s
Max time network
120s
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\tolih.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\firar.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tolih.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\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.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\tolih.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\firar.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe
"C:\Users\Admin\AppData\Local\Temp\cdc72bfc25a430298f4da6a6d3f3327cf5fe76b809dbe07e17c649d63741733c.exe"
C:\Users\Admin\AppData\Local\Temp\tolih.exe
"C:\Users\Admin\AppData\Local\Temp\tolih.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\firar.exe
"C:\Users\Admin\AppData\Local\Temp\firar.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/2352-0-0x00000000002F0000-0x0000000000371000-memory.dmp
memory/2352-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2352-18-0x0000000002650000-0x00000000026D1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 15820bc0f472e16c48367712bd45bc8a |
| SHA1 | 68b81be582dfe6da08dd2848db5309b4174e628f |
| SHA256 | bb610dce6841a5444a54aaecea848fe5a3df3d83191371a57a844a87acb02fb1 |
| SHA512 | 42643673844047646f4434a910876adf9b44b053ea6875e7df557bbbfcfe3d54900bc55ed37a7b42b3cfc7d0e1e5429fc4ddee766737f8c53417cc5a7b528bb8 |
C:\Users\Admin\AppData\Local\Temp\tolih.exe
| MD5 | 7226dea686dfda66c2c6d2b585639ae7 |
| SHA1 | 6462493e2fb0a91b9bda829d55139e9f279fa0cf |
| SHA256 | 0ac5d0c784e46757406be1e6ba0a8f5e5c75df0d0bde1102ab2642dbed10e4b4 |
| SHA512 | ad2a2d7aa54c3a368e9f2c49f7ce8f8e051399ddb2a4f1d8ac889a89e5f61f9304ed2890aeec81182b58e0cda6ea57b8a9ea83f80f3601f81189e37753057a8a |
memory/2740-20-0x0000000000850000-0x00000000008D1000-memory.dmp
memory/2352-17-0x00000000002F0000-0x0000000000371000-memory.dmp
memory/2740-21-0x0000000000020000-0x0000000000021000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 49a6ef578fe2729a92948fc1b6bbd88e |
| SHA1 | 129a4ac092f678d97d88562eac647a6c00134310 |
| SHA256 | 423985f2cb55d014e661f84eb4351928942963c9c4f3f21866e68ebdd4de6131 |
| SHA512 | c50ceed940ae6ccc5b8fad2c8632ba91b7764e0e807279aa6dc99079656eeeb8d84a6efb095cb309c5c9018935593099c3e3e5c586955d0a1487c9a5c177fb33 |
memory/2740-24-0x0000000000850000-0x00000000008D1000-memory.dmp
memory/2352-31-0x0000000002650000-0x00000000026D1000-memory.dmp
\Users\Admin\AppData\Local\Temp\firar.exe
| MD5 | 8be8b739958d97304b608c26a1c2cc15 |
| SHA1 | 7c74a382ba8ca2e17c1284cda7c79cb7ef87a968 |
| SHA256 | 50e1b277509851cef34eb3421b369ca29bc5fceda364d4b1f244d0c7e519de42 |
| SHA512 | c647295513c7509de660340c42d678a70a4cba13a94bbd4f721fad0319e65dcc486d4410eeecc3e68cee92c5c5516564d2b35c718bb77fe9fb68b6f67e3e0e05 |
memory/2740-39-0x0000000003480000-0x0000000003519000-memory.dmp
memory/2824-46-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2824-43-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2740-42-0x0000000000850000-0x00000000008D1000-memory.dmp
memory/2824-48-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2824-49-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2824-50-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2824-51-0x0000000000C50000-0x0000000000CE9000-memory.dmp
memory/2824-52-0x0000000000C50000-0x0000000000CE9000-memory.dmp