Analysis Overview
SHA256
f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a
Threat Level: Known bad
The file f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-17 01:51
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-17 01:51
Reported
2024-03-17 01:54
Platform
win7-20240221-en
Max time kernel
157s
Max time network
130s
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\jijui.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\isnuso.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\pojin.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jijui.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jijui.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\isnuso.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe
"C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe"
C:\Users\Admin\AppData\Local\Temp\jijui.exe
"C:\Users\Admin\AppData\Local\Temp\jijui.exe" hi
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Users\Admin\AppData\Local\Temp\isnuso.exe
"C:\Users\Admin\AppData\Local\Temp\isnuso.exe" OK
C:\Users\Admin\AppData\Local\Temp\pojin.exe
"C:\Users\Admin\AppData\Local\Temp\pojin.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.31.226:11110 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| KR | 218.54.31.165:11110 | tcp | |
| JP | 133.242.129.155:11110 | tcp |
Files
memory/2716-0-0x0000000000400000-0x00000000004679C5-memory.dmp
\Users\Admin\AppData\Local\Temp\jijui.exe
| MD5 | ab8d2123ca4162d852e887e135fc2a0d |
| SHA1 | b0d3a914a7fc6c7838737a6f92dd8e640c60e560 |
| SHA256 | 3bc5ea7560ec94e47cbcf30e7f23aad323f1628768a1aa98af4558312f18fcb0 |
| SHA512 | 046de8c9202a899a6bcabd503ea2ee5b9347d3bbb0364c41be252ec3883013ec7552a3fdc378d5527358802cc719ef41465aada08c5427b85e03750e47534476 |
memory/2716-11-0x0000000002210000-0x0000000002278000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jijui.exe
| MD5 | cebd9e1b3893da666d3b620f99255e93 |
| SHA1 | c8b428008322c787b8f772f685e61b31edec0c4f |
| SHA256 | 6f69e4aaee647ee2119131f4051814124a40d08fe1804ae17c75e4c261b38e59 |
| SHA512 | 8eebd667d79483ff914b73812a0c366bf4218d5d98f0fb49f401e16b5be8f425068219e9d69ea2c01f8a82e12e530019acb09461d037ff03fe1c37a8d6bc4f6a |
\Users\Admin\AppData\Local\Temp\jijui.exe
| MD5 | e49881b9caeb2e1881e02efa0275fd45 |
| SHA1 | c47401d50a491326258d34337d07e25fa223a9ab |
| SHA256 | 5c0f7a466a88e100998645ef61c6876b17704365ed042ee9a23fff4ce5e0fe00 |
| SHA512 | 177dc1c55d8069377fbbd4e1b86272df87ec68789ab7c2c307d8f867778d55f607e7cb7fe6d66bfc30653b963123a26e59bd862ae3656d2db9b4a0aeb4674a8b |
memory/2716-15-0x0000000002210000-0x0000000002278000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 047b024223c5fa0c621431007d08b16f |
| SHA1 | eb2aef08b0c87407281cada747a5cd5a12af26f2 |
| SHA256 | 4c77c8080060a85d99ca2e0fbd2986dc73378cb8dcd65e7cf3c10de27c12d397 |
| SHA512 | 187bcd8a107b81a3c7e9585b93cabb7e4db9a9cfb105f1e1ead4d18f8154da64c27bb23f127f911d03f06f8555035006e7da0154f203ceb3d920a008972bb1e3 |
memory/3004-14-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 27fef949ccb96ac3f9c325feabdccb61 |
| SHA1 | 694c9104de36b20826e7b956832c8726d71a5c0b |
| SHA256 | d11b9ab63b75941afe79e382a7542ed4557a064de6e9bd0f87d489bebfc46475 |
| SHA512 | 096b4772202cf1f48c166f24c6bbbcde4627c3da3b56ade0265f11f8aefe0d0c29047dbfa5ad82a8a6dd1b8e82fe6d208cb08e6a9d4e38d022a917891851a43e |
C:\Users\Admin\AppData\Local\Temp\jijui.exe
| MD5 | 76ea83a5d8e05ce7d4180db69e907957 |
| SHA1 | 4ad8252a92a8a2a4f3ba0670f87eea5864e8c23b |
| SHA256 | 5b0949f3298f767f9e3308086b0a12f32c924037c70974e14535657cf6ee1186 |
| SHA512 | 25c5b4f0b866ebfc8b9824a3311e67fd5846840b87cb03f1833329a709ca8836ffd556a14c05693c638e3c7b0e0e4465bf1a2c8e89dc5f0154963879f3a77522 |
memory/2716-25-0x0000000000400000-0x00000000004679C5-memory.dmp
\Users\Admin\AppData\Local\Temp\isnuso.exe
| MD5 | ba700a5dca2f84364202fa2fed34ae83 |
| SHA1 | 5d30c5cb483eeaf4e1a8314f1f195a90cc9f1f47 |
| SHA256 | 6e3dd3a5a1084516bb1152acb3ca9430186bc99c058746db1c4726acb11c40a9 |
| SHA512 | 7b3cc5fb268df891730c66ae17d6f68a275d36c11063ac75406684f75d0dcdb1d5f47b5bab51fd79f48b790ce1cecd8d7918bb2ed71b13d42648ccb6d1a64620 |
memory/3004-33-0x0000000003050000-0x00000000030B8000-memory.dmp
memory/3004-34-0x0000000000400000-0x00000000004679C5-memory.dmp
memory/2768-36-0x0000000000400000-0x00000000004679C5-memory.dmp
\Users\Admin\AppData\Local\Temp\pojin.exe
| MD5 | dfebaf7318dd971fc04764d0da3f56ca |
| SHA1 | a154748087ebf983b436236d65113545c606941d |
| SHA256 | 74cc296ea7da2152e2b8fcd8a657d4f34a57a3d506acc4e6596e63366c8ae0be |
| SHA512 | 7519191ef2bf6a8e06cea513cb656fa4601748ba2582d8ac684343d596c3beb2deeb62d02195e1cb310e5bc0dc9b202324be01a425a049de0a91775b2aebfa3e |
C:\Users\Admin\AppData\Local\Temp\pojin.exe
| MD5 | df4c53b223ed60a53332801214a30953 |
| SHA1 | bbaac36875c4ade502e7231cf66e772e93e13185 |
| SHA256 | 6af392d27bafe7553d54fe382480661db1fa354249f8a3b29d458e2a87dfc44a |
| SHA512 | 758bf5106dda55aad0274976050390c5c19b8b2c854a8404c5c0ccc37a18640b61b71d9f2f5a1be4a24d643a549a62e0cf8e29d5d6b52a06a2e8fbf2b08f8e9b |
memory/2768-44-0x0000000003450000-0x00000000034F0000-memory.dmp
memory/2624-48-0x0000000000340000-0x00000000003E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 1c1e982d6941717d841e4129df9c41c3 |
| SHA1 | 59d7f341b12c1c7305dea8cdc267e17c35379d04 |
| SHA256 | 82a2baeca1a8f9dadec11e7799a35d5007e5d8c3fcb4afbf93953496b07eaeb6 |
| SHA512 | 6d0b4ca58cfc3fa866ba20127e47dc9ae9bcc920929c68432506d50e4e551c4f8c9888c67c411c65f2f6760a6d8462833a109e35f1086032bff2884546469f6c |
memory/2768-55-0x0000000000400000-0x00000000004679C5-memory.dmp
memory/2624-56-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2624-59-0x0000000000340000-0x00000000003E0000-memory.dmp
memory/2624-60-0x0000000000340000-0x00000000003E0000-memory.dmp
memory/2624-61-0x0000000000340000-0x00000000003E0000-memory.dmp
memory/2624-62-0x0000000000340000-0x00000000003E0000-memory.dmp
memory/2624-63-0x0000000000340000-0x00000000003E0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-17 01:51
Reported
2024-03-17 01:54
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bucet.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rugifa.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bucet.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rugifa.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qyneb.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe
"C:\Users\Admin\AppData\Local\Temp\f52a6c1c6751cc59f3fb56181b29cc57b3870184038db1c1ff777aec468f602a.exe"
C:\Users\Admin\AppData\Local\Temp\bucet.exe
"C:\Users\Admin\AppData\Local\Temp\bucet.exe" hi
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Users\Admin\AppData\Local\Temp\rugifa.exe
"C:\Users\Admin\AppData\Local\Temp\rugifa.exe" OK
C:\Users\Admin\AppData\Local\Temp\qyneb.exe
"C:\Users\Admin\AppData\Local\Temp\qyneb.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
memory/2424-0-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bucet.exe
| MD5 | 4371a774b23333b1af3c82fe17eb0f85 |
| SHA1 | b6d336fcc573def3c5e59cfbe9d6c4653e241591 |
| SHA256 | c54f2f0a0676e7a478288ba7c7964d54d273aa1be21586933f37a43c72d9a5b5 |
| SHA512 | d3e1ea59ed7c116e238bb11f21db8d95184e54c23f6eef249e3eb5e9b2dd91a4eb27e885ae6eef0c3ffba5e4552abd00e9b2696e67b6dff7070c184f0a4ae7f4 |
memory/4236-13-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | aff349671be5058090d6936d451e5776 |
| SHA1 | 4a05f73c6cbda293d6e6a3453eef14e58e1a8deb |
| SHA256 | e3c07a1962da5399537297da79318ce0999e225f92c52f5c7166f48b4abcf3c8 |
| SHA512 | c9854e78024f3d1eb45714382c335009377828635a73acae521e9405c59b4f544691e7bc3c391657894d196e08053a165b7e76acace3a0dfa483db4c6d92693a |
memory/2424-15-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 047b024223c5fa0c621431007d08b16f |
| SHA1 | eb2aef08b0c87407281cada747a5cd5a12af26f2 |
| SHA256 | 4c77c8080060a85d99ca2e0fbd2986dc73378cb8dcd65e7cf3c10de27c12d397 |
| SHA512 | 187bcd8a107b81a3c7e9585b93cabb7e4db9a9cfb105f1e1ead4d18f8154da64c27bb23f127f911d03f06f8555035006e7da0154f203ceb3d920a008972bb1e3 |
memory/4236-25-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rugifa.exe
| MD5 | ffeb39942993351e4ed069a4db46f445 |
| SHA1 | be0e86620fbbd595305ab15b7bcc211e3d2cbdf9 |
| SHA256 | ee3a625c383c04db7e058ea58b3b92ab4a2179d81d731499a3d3c0b41f76e580 |
| SHA512 | daab2d351358238c26918a1c5de38f7ca46df957d2909d7200ae1fd0dd5da38481dbfbb3ccbe590a04003e6d37b7bdbdf24b0269800be6b434d9ab00739a30d5 |
memory/5104-26-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\qyneb.exe
| MD5 | 5d4c91709faa8b94b8f0b0a62a828c1f |
| SHA1 | 54fef3d3d5e5b8d2529973da1e85867a36db3fef |
| SHA256 | a025825667f04ffabbcc0cddcaee5a2ded26bf1946db3954ef2727c0d942c95c |
| SHA512 | 71ef377ac613d75bc290c39446930ad149d81ae65855c313ed12690c7de6c8ead28d999942798ea75fd5f0e8d5ea352d8b19fcb186c8600a3c05e9e5b4cfad2c |
memory/1308-37-0x0000000000B00000-0x0000000000BA0000-memory.dmp
memory/1308-39-0x0000000000A90000-0x0000000000A91000-memory.dmp
memory/5104-40-0x0000000000400000-0x00000000004679C5-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | d889df337f62131abe5ac62f090ec06f |
| SHA1 | 47dbc0cd18ff20ac2e0a696412415c3a2fcdb9fc |
| SHA256 | 98b985fe85716dcfaa23adea6e08ebe8b904a07823b3d87321c99571bffedf5d |
| SHA512 | ec7193ee3547846cbad3e3170a07688d816c37441966fcb4eb22c75c94be10d1b83f67d1b7e055ac47a8441033b0b3e6b00efd3457f1f0e4c59be71e5de6e038 |
memory/1308-43-0x0000000000B00000-0x0000000000BA0000-memory.dmp
memory/1308-44-0x0000000000B00000-0x0000000000BA0000-memory.dmp
memory/1308-45-0x0000000000B00000-0x0000000000BA0000-memory.dmp
memory/1308-46-0x0000000000B00000-0x0000000000BA0000-memory.dmp
memory/1308-47-0x0000000000B00000-0x0000000000BA0000-memory.dmp