Analysis Overview
SHA256
5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd
Threat Level: Known bad
The file 5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Deletes itself
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-10 21:33
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-10 21:33
Reported
2024-03-10 21:36
Platform
win7-20240221-en
Max time kernel
119s
Max time network
122s
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\nypyi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wacoce.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\zoerv.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nypyi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wacoce.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wacoce.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe
"C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe"
C:\Users\Admin\AppData\Local\Temp\nypyi.exe
"C:\Users\Admin\AppData\Local\Temp\nypyi.exe" hi
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Users\Admin\AppData\Local\Temp\wacoce.exe
"C:\Users\Admin\AppData\Local\Temp\wacoce.exe" OK
C:\Users\Admin\AppData\Local\Temp\zoerv.exe
"C:\Users\Admin\AppData\Local\Temp\zoerv.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/2160-2-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\nypyi.exe
| MD5 | e4c657701f54c67afe20dca141a87c34 |
| SHA1 | 7872606463daf25632a6db6be97d8a2cabd57dc2 |
| SHA256 | e57078c57a9bda166acac8a0fffd73b25dcc012e245ec49b665ade52fb70fa85 |
| SHA512 | e587742b7fdc645d49daf58674bb41ebba02799ad17c0ddb735ed201fc8b8dbdf2d2fa820e5f8191e88d6130d2688844a869823ab6b576e919e9e4de5189fc0c |
memory/2056-10-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3bb3c45b0f6568746658b0623d93dede |
| SHA1 | 91cf8e0ba4dcb7217e1d561df32a4ff288bbaa04 |
| SHA256 | c5ddb2ae90c4f32427abaaf2c3b11957a1b38074b0db47e680da0ec5c5f342a2 |
| SHA512 | 06a1712a4e9355ca4254e1ea403f2cc42dfc65aa268a7ae726f4c0663f5556a0204f82b95d9f86ad715d6ac0bb2e47d3bd1375625d0bf2ab588b914cb06df7d4 |
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 859e8ddea4d18da5ec5e50cc770b8ddd |
| SHA1 | 4ca1a12961c54ab94119940e141f0b48ad4e65b8 |
| SHA256 | 138493c37190810d388269dcde50ff3ef51c9e33739a0b82e2491e11c6ca03b7 |
| SHA512 | e061b81062c49280f11af67813047de655027d19fe22c14e8522e5cd22b83b41b5fd77aa77baecef6d66cd207b1fc4ec1b25ad1649b78fcbbfd3c0c22a967e01 |
memory/2160-20-0x0000000000400000-0x000000000046E000-memory.dmp
\Users\Admin\AppData\Local\Temp\wacoce.exe
| MD5 | 1e525cded488101081f6dee303d82755 |
| SHA1 | a472c1f205d124a32ed0cf5015f5c4b2ec64ce00 |
| SHA256 | 64c2166259bee4a1266f89ea0c427dcaf957f06c137421168ea2673ae20c30b4 |
| SHA512 | 9855f0cad8093b2ca16276d3b9456ae71255c7d49c65e9aa430deb2bb12396e2a8f6c5332117dc329e754f61be69102907aba5d93d3f73ff4f8e7755f32aaf1d |
memory/2732-27-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2056-26-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1048-48-0x0000000000400000-0x00000000004A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\zoerv.exe
| MD5 | 999e719b136207014df57c9cb02314ae |
| SHA1 | 014d33bb07a8c8ca4c6600466680d0ea6a830bc3 |
| SHA256 | 0a5a15d6e4bb35d25d2bca417911971814193066d7dbb481806f47be58b283ad |
| SHA512 | c4afe067cab9ea820d870061fb6c9b264042a8a84a7ff55494695e64db6418794744fe5df0b583e725e4baa09c9332cf1b93962b88349885a13f0c63d905e9b3 |
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 47516a89dce61abc3ba1899a0307ea7a |
| SHA1 | 86b7046c9bb96a0d3de71302ca8a8fa11af86683 |
| SHA256 | 6fe98643eff0b3107434aefae69fc34eeb8401d6103479331a4bbcb7ada59318 |
| SHA512 | 9de3fd325ea7324acfefd03a622f7755a7a823340f5e831808c7f50d8b3e2192b75856d25837ed38b616d86f5a3b0c473e1da90151b050b6da49da0a2965e5d8 |
memory/2732-38-0x00000000035C0000-0x0000000003660000-memory.dmp
memory/2732-47-0x0000000000400000-0x000000000046E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-10 21:33
Reported
2024-03-10 21:36
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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\izcej.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\vukunu.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\izcej.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vukunu.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fipys.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\fipys.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe
"C:\Users\Admin\AppData\Local\Temp\5f0eff2c1c5e770daf710725ec3363b456d8c957e0e09cc2aeb55ba95fa5c7dd.exe"
C:\Users\Admin\AppData\Local\Temp\izcej.exe
"C:\Users\Admin\AppData\Local\Temp\izcej.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\vukunu.exe
"C:\Users\Admin\AppData\Local\Temp\vukunu.exe" OK
C:\Users\Admin\AppData\Local\Temp\fipys.exe
"C:\Users\Admin\AppData\Local\Temp\fipys.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4732 -ip 4732
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 216
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 134.71.91.104.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 |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/3012-0-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\izcej.exe
| MD5 | f4aa09c9b2b8b01b5680ccf3a98b0be5 |
| SHA1 | 5a5e1f6681a07b5695e70e789c29d89417342438 |
| SHA256 | d3cd8a8794b191a00fb1cc3016ad1d610135fc09d88b02299127d46f5525013d |
| SHA512 | dcd7f51651cadc5a1a63ff461d745a135207197d548da4a75a8ba38581b65cd52e9894dc55106a2fecec63cb69c972704526fe2594f4411b1ca66434229c0d8b |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | be51935ebf85123e37a43984b64e4900 |
| SHA1 | b9e7d121c5e750afc9bf4cced626e28f2a2026f3 |
| SHA256 | 4b03cf80ef3e3f1a36b987597ce315464eade4115e4f400d48c7033ac1657dac |
| SHA512 | df8bfe853087b1f6006f1ccda61f21f28193d00ed013684d62c8617e823573ab0eb767bebda3fe00dd7f752f7c6ab45dec3f28da001dc5d2ceba68205fc5dafd |
memory/3012-15-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 859e8ddea4d18da5ec5e50cc770b8ddd |
| SHA1 | 4ca1a12961c54ab94119940e141f0b48ad4e65b8 |
| SHA256 | 138493c37190810d388269dcde50ff3ef51c9e33739a0b82e2491e11c6ca03b7 |
| SHA512 | e061b81062c49280f11af67813047de655027d19fe22c14e8522e5cd22b83b41b5fd77aa77baecef6d66cd207b1fc4ec1b25ad1649b78fcbbfd3c0c22a967e01 |
C:\Users\Admin\AppData\Local\Temp\vukunu.exe
| MD5 | 2bd90ee40c6a3aa648ecb03d22776698 |
| SHA1 | 2791522e25619b7417ac750b1239fb7847615879 |
| SHA256 | 9892a440e7a9f3f3520663682d9f40e541cea149271d070b21dd8b65f3c3c3d3 |
| SHA512 | 6f05dfa3569257cee1675a876d7f04746db73c42711f0cda200e7675a0e9b9905b1d168b8750804d6f31f1180584be0db3926a6da6e828865371b9020457181e |
memory/3988-23-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fipys.exe
| MD5 | 84454cb6049881ec1b3642c92ef0b687 |
| SHA1 | 056c6d2535f8fa2281fd3a20a3650316aad65795 |
| SHA256 | a1a2d68e477c7d014a92ab064efe3dcbb7539c7d39e1dc099a1690b79a54c8c8 |
| SHA512 | 869afe3e24b8c12c4fc3789526d4d7dc7d415946c9dfefc2fdaebaa3144b350a7fdb6fc4fee92bd7e756c1c125c15268c49b0a91e5c47ef57acaa0c18cd74579 |
memory/4732-35-0x0000000000400000-0x00000000004A0000-memory.dmp
memory/4616-37-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | ad7d70ef6ffccc27bbf845dadb98fba8 |
| SHA1 | b8397a8c53c61bb23092138bd31ff1129631668e |
| SHA256 | 73f895d1ab1cc11930937334696151a43efe8b751bfff3a8ee83241b7ed4cf92 |
| SHA512 | 2b1b1539e80ab5d16159607927eca7cd5d55502033ba0c98c9d063d2db3c12b4a5d25d3fbaf2351880d181abfcd468cf02e868c66b603bbe168a8fcaeb45a1de |