Analysis Overview
SHA256
4dbc1a06048161314d5e154fffeaa5a9ea12615931fb72848860cfffbcd46931
Threat Level: Known bad
The file bfd7a02cc1d28ca7231b333c14ff280f was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-11 04:26
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 04:26
Reported
2024-03-11 04:29
Platform
win7-20240221-en
Max time kernel
149s
Max time network
123s
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\othou.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\buipj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bfd7a02cc1d28ca7231b333c14ff280f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\othou.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bfd7a02cc1d28ca7231b333c14ff280f.exe
"C:\Users\Admin\AppData\Local\Temp\bfd7a02cc1d28ca7231b333c14ff280f.exe"
C:\Users\Admin\AppData\Local\Temp\othou.exe
"C:\Users\Admin\AppData\Local\Temp\othou.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\buipj.exe
"C:\Users\Admin\AppData\Local\Temp\buipj.exe"
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/2884-0-0x0000000000400000-0x000000000048C000-memory.dmp
\Users\Admin\AppData\Local\Temp\othou.exe
| MD5 | 06237f49309c960004134f10e9211ad9 |
| SHA1 | 5f5844d9e2b2a1c2b88234f9d3e8a5d22f16508c |
| SHA256 | a364c2c62d9cf62fc980c5942f8258da966078ec1d13587dc3525969f97b4ee6 |
| SHA512 | 6decaf8da3eaa76c0f1ee4e41a20c116821e1afa6d084872cf5e3aa09d43994d9cb414dbc25a2722133b95884da8337cad65c535c33e8f9d0e371e287c9a329a |
memory/2884-6-0x0000000002850000-0x00000000028DC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | ae99bd0254865d7d31687d314d7480b1 |
| SHA1 | 24fdb3bfd75e25f9175b3ae77166510f1f24251e |
| SHA256 | a7e256c5b1d05918094d474c94f1609757d8f8af337d33d58c138b423c5329a5 |
| SHA512 | abd79e561435c12372c9110a69470a33720aade8ddec84a61ac73e8e33ea4af87d7513d5ab4fba68d8bbe556126c6db00f920eb9d9b412866c348d0387dafddb |
memory/2884-17-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | c9750273d031537214893f90406959f3 |
| SHA1 | 19c8ce78fd837a5de07281ab48281d31d61ca4a4 |
| SHA256 | 2ab7427f876610bda2816e58b090470e9cd6416cad3d8615230ad819c8d035f2 |
| SHA512 | e73ea19480856e41014fbf9c83fbd0515f3696ce4f0d6cb9a2a7e9d962a1317ef8e814daf09cd0996574aef413cf2ed41c44e5857b10e82e880c0a4f69e713e9 |
memory/1916-27-0x00000000013E0000-0x0000000001483000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\buipj.exe
| MD5 | 28d9a08c4733dc86d241d350b5995efa |
| SHA1 | fd2dd82da6a6c124ba962f784c7be911aefc23e7 |
| SHA256 | baecd36cd86207dd19335eef736dcec44757e5d3e87ef5540891654a7425e2e4 |
| SHA512 | 7b799af75a11607e23b05c480eb64c8389aef295b1c8088703da7f6d1728715bdcbe84d783c51c329689a7b338fdc5f12299110c316415829e4748ddc4131ef5 |
memory/3044-25-0x0000000000400000-0x000000000048C000-memory.dmp
memory/1916-28-0x0000000000080000-0x0000000000081000-memory.dmp
memory/1916-30-0x00000000013E0000-0x0000000001483000-memory.dmp
memory/1916-31-0x00000000013E0000-0x0000000001483000-memory.dmp
memory/1916-32-0x00000000013E0000-0x0000000001483000-memory.dmp
memory/1916-33-0x00000000013E0000-0x0000000001483000-memory.dmp
memory/1916-34-0x00000000013E0000-0x0000000001483000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-11 04:26
Reported
2024-03-11 04:29
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
156s
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\genua.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\bfd7a02cc1d28ca7231b333c14ff280f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\genua.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hojaj.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bfd7a02cc1d28ca7231b333c14ff280f.exe
"C:\Users\Admin\AppData\Local\Temp\bfd7a02cc1d28ca7231b333c14ff280f.exe"
C:\Users\Admin\AppData\Local\Temp\genua.exe
"C:\Users\Admin\AppData\Local\Temp\genua.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\hojaj.exe
"C:\Users\Admin\AppData\Local\Temp\hojaj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.173.189.20.in-addr.arpa | udp |
Files
memory/1700-0-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\genua.exe
| MD5 | 8e61c212f0d171f36279065e0a01c8f0 |
| SHA1 | 3480b9776bea1faac49765db82cf4a7622f35962 |
| SHA256 | 3db6b5be93cdae64a97b9fc0f2f26a688c100477614ed253743ea9627c7dfe58 |
| SHA512 | 67ea8c484c3b3620e95d345f94a542391fb3e95ce0ff89da9ec813f55f1179d34245a61ef592d618a33e1ab18591e455b3413bca79e73810610b691709036082 |
memory/1700-13-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | ae99bd0254865d7d31687d314d7480b1 |
| SHA1 | 24fdb3bfd75e25f9175b3ae77166510f1f24251e |
| SHA256 | a7e256c5b1d05918094d474c94f1609757d8f8af337d33d58c138b423c5329a5 |
| SHA512 | abd79e561435c12372c9110a69470a33720aade8ddec84a61ac73e8e33ea4af87d7513d5ab4fba68d8bbe556126c6db00f920eb9d9b412866c348d0387dafddb |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 80a372c5118589b5327aa4194d1d260a |
| SHA1 | 0701af1214aa849eb923ea1dd81e1497de503c45 |
| SHA256 | 5437a6ad8b309e29502c93dc25a66deebf403e226526a47240c77860daea052a |
| SHA512 | c65adde32b411a4cba8b275fc2b9fd16ed277ae9d51820d0cc5eb7906b4f24bd979a4ce8f2b44a8eeed87150b23515eb7c5523682ad7335d7fbccabcfbf83040 |
C:\Users\Admin\AppData\Local\Temp\hojaj.exe
| MD5 | eb77b7db4c4bf2a218a496dccee8e7bb |
| SHA1 | 6ea82ce25aa96cb9989edede28ea3730350f2ee4 |
| SHA256 | 4a0b7e940841e008320f0dfecba76d22e033339af78562d16c02ed2ce2eda2a2 |
| SHA512 | 870a068811ea728d63410d06aea4a13b87231c946601c788cb806bada33456a701ea42a32d8aeb81289c3fdf74918b9ba963983419951cf8c795f3c732f8dcd8 |
memory/2748-25-0x00000000028E0000-0x00000000028E1000-memory.dmp
memory/4144-26-0x0000000000400000-0x000000000048C000-memory.dmp
memory/2748-24-0x00000000003A0000-0x0000000000443000-memory.dmp
memory/2748-28-0x00000000003A0000-0x0000000000443000-memory.dmp
memory/2748-29-0x00000000003A0000-0x0000000000443000-memory.dmp
memory/2748-30-0x00000000003A0000-0x0000000000443000-memory.dmp
memory/2748-31-0x00000000003A0000-0x0000000000443000-memory.dmp
memory/2748-32-0x00000000003A0000-0x0000000000443000-memory.dmp