Analysis Overview
SHA256
6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee
Threat Level: Known bad
The file 6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee 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
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-10 21:56
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 21:56
Reported
2024-03-10 21:59
Platform
win7-20231129-en
Max time kernel
149s
Max time network
119s
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\dyrea.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\noguh.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dyrea.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe
"C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe"
C:\Users\Admin\AppData\Local\Temp\dyrea.exe
"C:\Users\Admin\AppData\Local\Temp\dyrea.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\noguh.exe
"C:\Users\Admin\AppData\Local\Temp\noguh.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/948-0-0x0000000000940000-0x00000000009C5000-memory.dmp
\Users\Admin\AppData\Local\Temp\dyrea.exe
| MD5 | 70031312a8db672b51804bfe2af57cf0 |
| SHA1 | 6f630a7e16fab19bbd7c419a57e3ba5244200c42 |
| SHA256 | b9e39ce25d28d62d43dda2847f32cd2eaac737564c2f2d8aec91660bdb87d68c |
| SHA512 | a36ccd055f51871afdee64aeb29005ab2d7e4043e99e8271ffbb7f5a87fefbfb185f765bc0d30bb9594876a02735b829701679982a7f63c9af54078be18d473c |
memory/2340-9-0x0000000000FE0000-0x0000000001065000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | fbb9e6fa9d9aba36212379a340f155a0 |
| SHA1 | 17c9a13635ed2e164f34eb277b2956e25e1b3104 |
| SHA256 | d0f4d264decea9079ac02fa1e07785d1045be65ee8fb063666b020853bf85eff |
| SHA512 | f375ca7e85339e85139e3a940b38c0af14c1ae19e694481dade54055f2361b01b2bfe4badc9b5d0ffa834b29dc882d3dc690e28bd9031ba1d48bfd03a24d6bac |
memory/948-17-0x0000000000940000-0x00000000009C5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | ac4451cdaed6b118005cb283e5450f4d |
| SHA1 | 95d7f96d06b9b4123a5a68cc8773aa9e0213743b |
| SHA256 | 6697531f92a344acd8bac120bb5322e8f21d0ea65480a5ecd99313d268598a27 |
| SHA512 | a38236b908d47be11e062b35d555bf4a738d358d7ae73cf5030f6f3118ca543bb03d62c2e41d11f219367f15f3596695b91082839c09b127fdda7397a6e11ad4 |
C:\Users\Admin\AppData\Local\Temp\noguh.exe
| MD5 | 35ca41b3c4c54d5261258259a81439a2 |
| SHA1 | 16027a2792d9b0a5faca514b389327539782c496 |
| SHA256 | 50f48939c8697cc5662255d233ddeacfb6a4703acc9b8a0fd71ecae55536e43c |
| SHA512 | 3cc3870be2a1eb2ef006efc91fdf9ec1e3ac86848b0b944effb5d85abf4cbf26140691fb5b1716d595a6e2c3b2acf389a9d697e173b5dc001f91d355de49c47d |
memory/1708-27-0x0000000000250000-0x0000000000304000-memory.dmp
memory/2340-25-0x0000000000FE0000-0x0000000001065000-memory.dmp
memory/1708-28-0x0000000000180000-0x0000000000182000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dyrea.exe
| MD5 | 0b4ffa8532abc8e9b14b205eff6bcbc0 |
| SHA1 | b4a2add593a2da09a9575356b5591c9933618783 |
| SHA256 | a812d315086e74ba49063bcb6b621fbe8a68164dc4ea3b047ab7636be26d502c |
| SHA512 | e4bfb04bcb2306cfda8c29a72d0e345a1525805d4a4afe22408fb83bd62b062369869334fae9952657f76df5be4b36c0fcf4188719bfe6c6bdbb223d81c810a1 |
memory/1708-31-0x0000000000250000-0x0000000000304000-memory.dmp
memory/1708-32-0x0000000000250000-0x0000000000304000-memory.dmp
memory/1708-33-0x0000000000250000-0x0000000000304000-memory.dmp
memory/1708-34-0x0000000000250000-0x0000000000304000-memory.dmp
memory/1708-35-0x0000000000250000-0x0000000000304000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-10 21:56
Reported
2024-03-10 21:59
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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\obtoy.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\obtoy.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\duhyp.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe
"C:\Users\Admin\AppData\Local\Temp\6b5ceef5225f59130c5175bba37e0d89c7bc223e82a29243c1b2dfc8c07f87ee.exe"
C:\Users\Admin\AppData\Local\Temp\obtoy.exe
"C:\Users\Admin\AppData\Local\Temp\obtoy.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\duhyp.exe
"C:\Users\Admin\AppData\Local\Temp\duhyp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| 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/4660-0-0x0000000000240000-0x00000000002C5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\obtoy.exe
| MD5 | 760bec4fe4aff4bf2cbb32da856b1f6d |
| SHA1 | 6cb3e5af41476c8b98378867f260bb0f0df7b737 |
| SHA256 | f5b2f86899918fca35c38d7226246b6fa0dddc15788054b20a10b1b1aa553877 |
| SHA512 | 9def0d0d00b8b4b081e09c0c8b383c7a6d94cf9bd5deef4513ed9a989a35cb33304cccda5d1fc389c84df743a65065dcd5ca62816359359d6f36f318704fa444 |
memory/1952-11-0x0000000000FF0000-0x0000000001075000-memory.dmp
memory/4660-14-0x0000000000240000-0x00000000002C5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | fbb9e6fa9d9aba36212379a340f155a0 |
| SHA1 | 17c9a13635ed2e164f34eb277b2956e25e1b3104 |
| SHA256 | d0f4d264decea9079ac02fa1e07785d1045be65ee8fb063666b020853bf85eff |
| SHA512 | f375ca7e85339e85139e3a940b38c0af14c1ae19e694481dade54055f2361b01b2bfe4badc9b5d0ffa834b29dc882d3dc690e28bd9031ba1d48bfd03a24d6bac |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 1b4da99f97587cd63f190b8cdc5f2104 |
| SHA1 | a2c5857a6b6e27dc2dfa0da2a7e0089a05c30a4d |
| SHA256 | 4e818b47e890590c58b1ea6404b35f48c35699036ec0e46f490e320c50a9f163 |
| SHA512 | 9e2e779f1ecb01a1913345d712e1ecfebf82296e6ee1d9b358a4ad142694731b5f75b59d884093864d5551d765af17b8e39b16a9acfe50701724494d57038a26 |
C:\Users\Admin\AppData\Local\Temp\duhyp.exe
| MD5 | 8c190d0faa01ae57d34a1ecfd925f5f7 |
| SHA1 | a002de0c81caf205c16ed7d0c037f5d39c15d7ad |
| SHA256 | 042b0d2ea855aaa7431fdc2700c92ebcf0b07bfd083126fbe9e02d4c3859a175 |
| SHA512 | dd6ca18161dc820a875f652f662c695659c618cfd1bbe1c0e2fd0eb760298b1369216d9de99f81e5ade714f08d16d04bbf3374fcb89d983c300a16b5c40fb824 |
memory/1952-26-0x0000000000FF0000-0x0000000001075000-memory.dmp
memory/784-25-0x0000000000980000-0x0000000000A34000-memory.dmp
memory/784-27-0x0000000000970000-0x0000000000972000-memory.dmp
memory/784-29-0x0000000000980000-0x0000000000A34000-memory.dmp
memory/784-30-0x0000000000980000-0x0000000000A34000-memory.dmp
memory/784-31-0x0000000000980000-0x0000000000A34000-memory.dmp
memory/784-32-0x0000000000980000-0x0000000000A34000-memory.dmp
memory/784-33-0x0000000000980000-0x0000000000A34000-memory.dmp