Analysis Overview
SHA256
22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7c
Threat Level: Known bad
The file 22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN 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 behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-10 11:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-10 11:50
Reported
2024-10-10 11:52
Platform
win7-20241010-en
Max time kernel
119s
Max time network
77s
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\zevul.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\esenk.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\zevul.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:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\esenk.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\zevul.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe
"C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe"
C:\Users\Admin\AppData\Local\Temp\zevul.exe
"C:\Users\Admin\AppData\Local\Temp\zevul.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\esenk.exe
"C:\Users\Admin\AppData\Local\Temp\esenk.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/576-0-0x0000000001140000-0x00000000011C1000-memory.dmp
memory/576-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/576-21-0x0000000001140000-0x00000000011C1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | bdb68f256e8b47503f57ba9e8c7b1136 |
| SHA1 | 19a78ca1983890057f98f99f142bf0e874c8ca5f |
| SHA256 | 9ce153c224965612b3cdbb30067c75c3d28e1c2f3c3ef5a8c9be93cb142b5e49 |
| SHA512 | fc0cce24deaa51f7edf2887fcf2555627fa3580debc3093efdf875efb25f6b952453117bd3fa55846005496ebce519c89bfe6ad56e091e59aa90b2e08501ac7d |
C:\Users\Admin\AppData\Local\Temp\zevul.exe
| MD5 | a04bb40034947c2344066dfbd0b0cb39 |
| SHA1 | 5f73b91eaf72915f1324271e5cc146887731b92b |
| SHA256 | b4c8a09df7f3006d180902c335e5f90877ac9b7c7ae7da3081c4c0658362d7b8 |
| SHA512 | f2e62772cc89f8cb716b8808ad54eaef16732eb8a657b8832869e17a75b5f2d9fa248fa143f0bec389dee4f25cf85949827cf7a4699970780612811922cf30a9 |
memory/1720-20-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1720-19-0x0000000000A50000-0x0000000000AD1000-memory.dmp
memory/576-17-0x0000000000FB0000-0x0000000001031000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 44fb96ca40f5a30720fe52c9abbdb11d |
| SHA1 | 58944e665de96d169d4eed1725b398330108fa04 |
| SHA256 | ea7dfd1c403892ef530a4b6e22c3302af53f70cb24f9cd77feb3b411f73f06a1 |
| SHA512 | ea060bbebca480e04a565403a3987ceb292c13b02b0aa1c61db6f50b5e5760fc56647c7f7487686c8ce91b5884d64af159056d16e36763434aa698c41c0879d9 |
memory/1720-25-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1720-24-0x0000000000A50000-0x0000000000AD1000-memory.dmp
memory/1720-39-0x0000000003C40000-0x0000000003CD9000-memory.dmp
memory/2624-46-0x0000000001390000-0x0000000001429000-memory.dmp
memory/2624-43-0x0000000001390000-0x0000000001429000-memory.dmp
memory/1720-42-0x0000000000A50000-0x0000000000AD1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\esenk.exe
| MD5 | 4342751793a72a03293af6275213f37d |
| SHA1 | d5553d7420f79687b3ab1a43254871f80222d63c |
| SHA256 | de8fb66bd1c702f5ff2ecd455b0b4e14e3d93e0004b7c58a2de53e6a7e6fa23d |
| SHA512 | d83d4922e34d0c8a886bf2addc726f13630ac98163596d709b334844d7d07b301b9a05fdaf5ea919435c7e6514f95c44b90b101542dc28069ef3d95bfdb22bbe |
memory/2624-48-0x0000000001390000-0x0000000001429000-memory.dmp
memory/2624-49-0x0000000001390000-0x0000000001429000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-10 11:50
Reported
2024-10-10 11:52
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
99s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\abnoq.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\abnoq.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\liucv.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\liucv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\abnoq.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe
"C:\Users\Admin\AppData\Local\Temp\22aa3d37f782c0d939ceaeeac50b9bd70a35a713227c09e6b0b3643f365a7f7cN.exe"
C:\Users\Admin\AppData\Local\Temp\abnoq.exe
"C:\Users\Admin\AppData\Local\Temp\abnoq.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\liucv.exe
"C:\Users\Admin\AppData\Local\Temp\liucv.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.30.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.30.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11300 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.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 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/2564-0-0x0000000000FB0000-0x0000000001031000-memory.dmp
memory/2564-1-0x0000000000F40000-0x0000000000F41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\abnoq.exe
| MD5 | a1e3c692bd6781959954ed7c75dfae93 |
| SHA1 | da83c43b5d398d369a2abb6c3544d21555b135f1 |
| SHA256 | f6bc318f32abb55b512b9453459f3ac412a030c107c13ba37f3ac864cd087aba |
| SHA512 | 39ab11e02e246cdfd89fbb7835d59a8402efedd6d806226590480990a918f5d2fbb91626802b364016d8807b6a20e6dc4e4d832d11e80ee4ee4e047ab293eb85 |
memory/1604-14-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/1604-11-0x00000000003F0000-0x0000000000471000-memory.dmp
memory/2564-17-0x0000000000FB0000-0x0000000001031000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | bdb68f256e8b47503f57ba9e8c7b1136 |
| SHA1 | 19a78ca1983890057f98f99f142bf0e874c8ca5f |
| SHA256 | 9ce153c224965612b3cdbb30067c75c3d28e1c2f3c3ef5a8c9be93cb142b5e49 |
| SHA512 | fc0cce24deaa51f7edf2887fcf2555627fa3580debc3093efdf875efb25f6b952453117bd3fa55846005496ebce519c89bfe6ad56e091e59aa90b2e08501ac7d |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 5dc3ade112f805c18de5f27c4dffbdd8 |
| SHA1 | 794f5d1e40dbc1b47026a538917c855f36deb5a3 |
| SHA256 | 5159a2e078c651f889277ad499f1feb22f214ede474f3cf745f2cb2e5599800f |
| SHA512 | 6a5fd4aa805bce059e6ed54ea3072a7a8cb552a322812f11d98c8d1fad4f352778ddfc1e7a317a744ad3989b47f75e2b851a96c5230c69616e4e5a0677f1ac79 |
memory/1604-20-0x00000000003F0000-0x0000000000471000-memory.dmp
memory/1604-21-0x00000000007F0000-0x00000000007F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\liucv.exe
| MD5 | ac4d9945907086317cba31d39832ba06 |
| SHA1 | 1331927f940b214d92a70fb4a567f81808e1a821 |
| SHA256 | 6a3f6bcf4f2caf02729d9567c5327f26bf3ef8b2afe653824eb891e55c1af2b1 |
| SHA512 | f3bf90bf0b4a6d8308f0ccbb92ccc5fbbf2481215837b266b5365fdf7fe3698015521dfec82441d011b0d6277170ed27b3fca46f7caf0e80b7e7cc12f649903c |
memory/1604-39-0x00000000003F0000-0x0000000000471000-memory.dmp
memory/220-41-0x0000000000E20000-0x0000000000E22000-memory.dmp
memory/220-40-0x0000000000150000-0x00000000001E9000-memory.dmp
memory/220-42-0x0000000000150000-0x00000000001E9000-memory.dmp
memory/220-46-0x0000000000E20000-0x0000000000E22000-memory.dmp
memory/220-47-0x0000000000150000-0x00000000001E9000-memory.dmp
memory/220-48-0x0000000000150000-0x00000000001E9000-memory.dmp