Analysis Overview
SHA256
d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610
Threat Level: Known bad
The file d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610 was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Executes dropped EXE
Loads dropped DLL
Deletes itself
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-17 00:15
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 00:15
Reported
2024-03-17 00:17
Platform
win7-20240221-en
Max time kernel
122s
Max time network
125s
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\nyrin.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe
"C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe"
C:\Users\Admin\AppData\Local\Temp\nyrin.exe
"C:\Users\Admin\AppData\Local\Temp\nyrin.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
Network
Files
memory/1380-0-0x0000000000400000-0x0000000000436000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\nyrin.exe
| MD5 | 562a70e375581b0366eb230d673804e2 |
| SHA1 | 02508ef528589514b4b4222a9afc5694d272c0e8 |
| SHA256 | aeeb067361a045ae4f0e828ba8d574bd7366336f4fe025e84c03fb20618f8011 |
| SHA512 | 35a2397e338d230b7d3a6425e089feae7403bf5ad0b3c32d1c98096ced9b5498109f796882bfa04943a64fe48b4b89ecde35254ed8455550c3ba63a5469e01d8 |
memory/1380-20-0x0000000000400000-0x0000000000436000-memory.dmp
memory/2956-21-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1380-18-0x0000000002590000-0x00000000025C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | efe3a284e74e73225b2f37295f7f8c32 |
| SHA1 | b66161ff254687c688abcf92338a38f7b1caf0fe |
| SHA256 | 71d5c10547bba70a33b5ef3ce30d69ccd639a9a667e465214db686a83b00309a |
| SHA512 | dc2811b0477b9d8d5afeda41cc93aa7dd3225da067e99e16aefbe236c9d9f8478667869f5d7d5d2230e87f7699c89e2bd128d77ed635928730eb23d080f55928 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 70c39d5317c368dc065cf2572ab555ee |
| SHA1 | e6608ee151cd5a0d512afebd7c1ff1f5559cc936 |
| SHA256 | 3a65468115898a153bd2aa172a373101becd8615478f941705924ab60f3f48bd |
| SHA512 | 4c1e85e81a28e9809b726ce63b8dd1251edfe05f47afd8cdf1897e46c2de5aca731b2a1b42718a1e80040d321a2ce6727dc187e3e623f3e27928f4201f3708bc |
memory/2956-24-0x0000000000400000-0x0000000000436000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-17 00:15
Reported
2024-03-17 00:18
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
155s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dufih.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe
"C:\Users\Admin\AppData\Local\Temp\d0c5877e5e1b83822ee1b4168df029f261ce414bc941ead51c1b176625af9610.exe"
C:\Users\Admin\AppData\Local\Temp\dufih.exe
"C:\Users\Admin\AppData\Local\Temp\dufih.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3876 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| GB | 142.250.187.234:443 | tcp | |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.56.20.217.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 |
Files
memory/4500-0-0x0000000000400000-0x0000000000436000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dufih.exe
| MD5 | 2352b71a879a806cba7bec60575759da |
| SHA1 | f95e742946571477a45942a2a20a5b4c3aa08298 |
| SHA256 | 591c48118e6f6a3134254f535b16d254fe5e22384499529d24dc1fbccdbaf36d |
| SHA512 | 3b9fb1d3c3c18603e0883c13cf106d195c6dd2ffa4e8028318d5f160ccc8af5f758b94fee2fce1c3efd9167150f8ddbb81fd91ae3bfdf18b45bc063afaee2bcd |
C:\Users\Admin\AppData\Local\Temp\dufih.exe
| MD5 | 617c289ddac8b0d5f78d19eb6a3edeca |
| SHA1 | c04959333c2e96131c8b591149a55e6bcd789f84 |
| SHA256 | d975a861d233b486e7ecc125a2049e3f1a351842e2b37dd4fbf56ee200853b5f |
| SHA512 | 9571c63b02ad49c6d98f3d479d7e2b0aa143a9c529d418ce272bdfd5931f4dbb4ad6645420c8f8e84f175e4ca88f34ba57fde9a50b30a9cf64ce48d8a2975ea0 |
memory/4500-13-0x0000000000400000-0x0000000000436000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | efe3a284e74e73225b2f37295f7f8c32 |
| SHA1 | b66161ff254687c688abcf92338a38f7b1caf0fe |
| SHA256 | 71d5c10547bba70a33b5ef3ce30d69ccd639a9a667e465214db686a83b00309a |
| SHA512 | dc2811b0477b9d8d5afeda41cc93aa7dd3225da067e99e16aefbe236c9d9f8478667869f5d7d5d2230e87f7699c89e2bd128d77ed635928730eb23d080f55928 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2072-16-0x0000000000400000-0x0000000000436000-memory.dmp