Analysis Overview
SHA256
4b644a0cbd0addb992f9fe65f22ef27f72e3a3e62e09f4640a02f981a2551c29
Threat Level: Known bad
The file 28e3fb0f8918c048ca6a45a9757344f0N.exe was found to be: Known bad.
Malicious Activity Summary
Urelas
Urelas family
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Deletes itself
UPX packed file
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-28 01:00
Signatures
Urelas family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-28 01:00
Reported
2024-07-28 04:40
Platform
win7-20240704-en
Max time kernel
90s
Max time network
93s
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\huter.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\28e3fb0f8918c048ca6a45a9757344f0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\huter.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\28e3fb0f8918c048ca6a45a9757344f0N.exe
"C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe"
C:\Users\Admin\AppData\Local\Temp\huter.exe
"C:\Users\Admin\AppData\Local\Temp\huter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 112.175.88.209:11120 | tcp | |
| KR | 112.175.88.208:11150 | tcp | |
| KR | 112.175.88.209:11170 | tcp | |
| KR | 112.175.88.207:11150 | tcp |
Files
memory/2292-0-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 62924b2bf0bc53bd636e67d0ba41bed7 |
| SHA1 | bbb04c61c0170bf662b61fc766ba139eb7e56326 |
| SHA256 | e2fb6f6184ad65be8efe575cef01b16925a69c551753cd393671eca6ae1ecbf1 |
| SHA512 | dbb1ea298cff577b21db37e7b3ea98b6cf7765541794e469590ab78d084dd635fe3cd4dc5e35722289089079918343d1f94db975bce0cea91b4aed0380493ea2 |
memory/2292-18-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 781ea12e9401bfcfe3102c74466e1782 |
| SHA1 | 73df23cdb01e1345be2a8ddc1290dab4c0985af6 |
| SHA256 | e9a894896bc9a820d7759f593cae26dbe3769e21a1cccdbeea95ce826b34db48 |
| SHA512 | 9008c1f2538ef9c38847429255067ee06208fc8de0a144b436a87da68e24576d05865b33017f2893e6a68d3887bd23255774f9d4b19b370a80e2d9770ec09e2d |
memory/548-10-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/548-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/548-23-0x0000000000400000-0x0000000000431000-memory.dmp
memory/548-29-0x0000000000400000-0x0000000000431000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-28 01:00
Reported
2024-07-28 04:40
Platform
win10v2004-20240709-en
Max time kernel
105s
Max time network
111s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\huter.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\28e3fb0f8918c048ca6a45a9757344f0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\huter.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5056 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 5056 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 5056 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Users\Admin\AppData\Local\Temp\huter.exe |
| PID 5056 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5056 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5056 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe
"C:\Users\Admin\AppData\Local\Temp\28e3fb0f8918c048ca6a45a9757344f0N.exe"
C:\Users\Admin\AppData\Local\Temp\huter.exe
"C:\Users\Admin\AppData\Local\Temp\huter.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| KR | 112.175.88.209:11120 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| KR | 112.175.88.208:11150 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| KR | 112.175.88.209:11170 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| KR | 112.175.88.207:11150 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/5056-0-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 8d2b763cb996b36665ba69fd9f28a66c |
| SHA1 | 7a577fb2264a1828acadc8adf2a44b181b55357d |
| SHA256 | bd30916c5612618253882aa9a26dccbb0fe583f360e1b4cfd5f9cd36deb3a541 |
| SHA512 | 22cdf8ea438e3fee7598ff947940286a2f2da759e796ce62759f1a06a9bcbcf7ccbc5570866533fa363c110359347d44e98c5a6a15d62b3bef7ce8552f7ed116 |
memory/5020-14-0x0000000000400000-0x0000000000431000-memory.dmp
memory/5056-17-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 781ea12e9401bfcfe3102c74466e1782 |
| SHA1 | 73df23cdb01e1345be2a8ddc1290dab4c0985af6 |
| SHA256 | e9a894896bc9a820d7759f593cae26dbe3769e21a1cccdbeea95ce826b34db48 |
| SHA512 | 9008c1f2538ef9c38847429255067ee06208fc8de0a144b436a87da68e24576d05865b33017f2893e6a68d3887bd23255774f9d4b19b370a80e2d9770ec09e2d |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/5020-20-0x0000000000400000-0x0000000000431000-memory.dmp
memory/5020-22-0x0000000000400000-0x0000000000431000-memory.dmp
memory/5020-28-0x0000000000400000-0x0000000000431000-memory.dmp