Analysis Overview
SHA256
bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5e
Threat Level: Known bad
The file bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN was found to be: Known bad.
Malicious Activity Summary
Urelas
Executes dropped EXE
Checks computer location settings
Deletes itself
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 09:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 09:32
Reported
2024-10-15 09:34
Platform
win7-20240903-en
Max time kernel
68s
Max time network
56s
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\poldge.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe
"C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| KR | 218.54.28.240:11150 | tcp |
Files
memory/2384-0-0x0000000000400000-0x000000000043B000-memory.dmp
\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | a8e28d07641dc9d754404f90fb22f0ac |
| SHA1 | 78aeab8c40844d064555eb869b71064abbca5f0a |
| SHA256 | 3fdc1c67c67aa4a6f7d55a857cc35381eebc4911f48d7733e1fe2263ea768686 |
| SHA512 | 6f36587495df177b12846db9522576a5b583a229971e307fc68e666cfdcfcdcd07e2a014c3788425be13f8f4915084379be72ba071741a6a2741364def506932 |
memory/2384-19-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2940-16-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | b62a0b6ac1a6284819a32c45fc0366b1 |
| SHA1 | 045817dfb9b0115b9eb9a6dfa6fc27d18ec3453d |
| SHA256 | d198435d5d81e9796dcf8c5d7a62c420329988e37f50c4a3724e80cac5b31974 |
| SHA512 | adaa92202962edbf00fda1480354d15f7746bf3a7c664ef7ba943d5965d44fb9df6bccf2f5ecbcc5bbd8ed76899da87bab3f48c63f2413feb56eef9ac512eed1 |
memory/2384-8-0x0000000002290000-0x00000000022CB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/2940-22-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2940-29-0x0000000000400000-0x000000000043B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 09:32
Reported
2024-10-15 09:35
Platform
win10v2004-20241007-en
Max time kernel
114s
Max time network
120s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\poldge.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe
"C:\Users\Admin\AppData\Local\Temp\bbe945239f33d51f2cf656f182dfaf3ce7e21f64e02fefe81b61196b6d837c5eN.exe"
C:\Users\Admin\AppData\Local\Temp\poldge.exe
"C:\Users\Admin\AppData\Local\Temp\poldge.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| KR | 121.88.5.183:11150 | tcp | |
| KR | 121.88.5.184:11170 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| KR | 218.54.28.240:11150 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/5000-0-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\poldge.exe
| MD5 | 8cb3cad109b7ba31285d9fc26340be23 |
| SHA1 | 1d13535ed4bdf015ea2d5fed4d0fa4cac15fed18 |
| SHA256 | 5b443b354e451dc3c59cef6c16605c7234baf6e2a1a8dcb1ad849a5f28923701 |
| SHA512 | fafe7448ee942329a0a156667331c5920850e257fc7279b6691665e87109d131944e7f1b0df35a2fdfad9268eae326868f758a93a936d5c21b9d0f429e7468a6 |
memory/2368-12-0x0000000000400000-0x000000000043B000-memory.dmp
memory/5000-15-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | b62a0b6ac1a6284819a32c45fc0366b1 |
| SHA1 | 045817dfb9b0115b9eb9a6dfa6fc27d18ec3453d |
| SHA256 | d198435d5d81e9796dcf8c5d7a62c420329988e37f50c4a3724e80cac5b31974 |
| SHA512 | adaa92202962edbf00fda1480354d15f7746bf3a7c664ef7ba943d5965d44fb9df6bccf2f5ecbcc5bbd8ed76899da87bab3f48c63f2413feb56eef9ac512eed1 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 3f372385bf24b44385f4b1251d3aca4d |
| SHA1 | 83546de6ba8f20bd08a15896d34f6242ed64352f |
| SHA256 | b5edef052667b8380ff98c9ff2029faaaa0b1931818a5ef011ce766193ceda27 |
| SHA512 | d2f888908ca52c1a99c3d45e83512e2eafd2cc3ae3b782ef0cc80165c4adaf7e488d1aba2028d83fc39e4b8c96c65f82436a10a94e319b9b8aec1f69cd76e5b7 |
memory/2368-18-0x0000000000400000-0x000000000043B000-memory.dmp
memory/2368-24-0x0000000000400000-0x000000000043B000-memory.dmp