Analysis Overview
SHA256
a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4
Threat Level: Known bad
The file a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4 was found to be: Known bad.
Malicious Activity Summary
Urelas
Urelas family
UPX packed file
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
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
2024-08-05 01:23
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
2024-08-05 01:23
Reported
2024-08-05 01:26
Platform
win7-20240704-en
Max time kernel
90s
Max time network
82s
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\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.exe
"C:\Users\Admin\AppData\Local\Temp\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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/2884-0-0x0000000000400000-0x0000000000431000-memory.dmp
\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 3bfdf45a86804d1d7e58eb108083d6c3 |
| SHA1 | 8d30b5a5b0c6a0a86592ac7f696f193a982b63cd |
| SHA256 | eafd05672c0a5b33f101a398da512c9281fe16c59bd6fdb3f621395a6af25e1f |
| SHA512 | d1cf5759b1e3327e32509c1836977b0b6bb914c3465ef7baef94e42861bba12165b1afa0ad6ff4e2d56b294dcf94e3056551f20f6b1f7922f37e812a22c21837 |
memory/2208-9-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | cd8c943c96854a6e95d74d3377a8209f |
| SHA1 | bd9abf9e47c2fa39bff909fdf85f44a0256857df |
| SHA256 | 0b89e0f842587cef8eda9c5373e9ed2f88ae27675f3c05c6ff37f1e0cb0d2285 |
| SHA512 | abf1a67d3f0a118cc76fb04daec3f7bed2b3fadae807a6c70dc6cca1e2ce5df52d0067e8d8549d0118e018807e9476df37b8049c15def5b7b5591b510544831d |
memory/2884-18-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/2208-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2208-23-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2208-29-0x0000000000400000-0x0000000000431000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-05 01:23
Reported
2024-08-05 01:26
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.exe
"C:\Users\Admin\AppData\Local\Temp\a8e7fd1a3f7b69061d6cf78e8489f84bb10b6eb10b84bc74344acd3f877eeef4.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 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 112.175.88.209:11120 | tcp | |
| KR | 112.175.88.208:11150 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| KR | 112.175.88.209:11170 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.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 |
Files
memory/1508-0-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\huter.exe
| MD5 | 21151296c20bd7ae3167c48e207eaa73 |
| SHA1 | 971308845315319dade5ead6e5899ec84ed41b39 |
| SHA256 | b1180d5223ff19c54dbb806ab973b96f58f201043f3db84f432a5829ff8afaf4 |
| SHA512 | f8d3757926b25140d1badb5ab05e9ce5746e234b2b6c7e1f37f56b737051e6a08d136dd94668179962fbb6e909568b2500d9c0bd2335069b779350b7b3d994ab |
memory/1964-15-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1508-18-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | cd8c943c96854a6e95d74d3377a8209f |
| SHA1 | bd9abf9e47c2fa39bff909fdf85f44a0256857df |
| SHA256 | 0b89e0f842587cef8eda9c5373e9ed2f88ae27675f3c05c6ff37f1e0cb0d2285 |
| SHA512 | abf1a67d3f0a118cc76fb04daec3f7bed2b3fadae807a6c70dc6cca1e2ce5df52d0067e8d8549d0118e018807e9476df37b8049c15def5b7b5591b510544831d |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a01dba4c45102fc15292fd5591166536 |
| SHA1 | d96191c30e0f09439d8547f4ededbf6726ccd54b |
| SHA256 | cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904 |
| SHA512 | 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32 |
memory/1964-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1964-23-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1964-30-0x0000000000400000-0x0000000000431000-memory.dmp