Analysis Overview
SHA256
0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6
Threat Level: Known bad
The file 0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N was found to be: Known bad.
Malicious Activity Summary
Urelas
Deletes itself
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 18:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 18:40
Reported
2024-10-15 18:42
Platform
win7-20240903-en
Max time kernel
119s
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\fuiba.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\avnur.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fuiba.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\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fuiba.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\avnur.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe
"C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe"
C:\Users\Admin\AppData\Local\Temp\fuiba.exe
"C:\Users\Admin\AppData\Local\Temp\fuiba.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\avnur.exe
"C:\Users\Admin\AppData\Local\Temp\avnur.exe"
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.31.226:11300 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| KR | 218.54.31.166:11300 | tcp | |
| JP | 133.242.129.155:11300 | tcp |
Files
memory/1736-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1736-0-0x0000000000FF0000-0x0000000001071000-memory.dmp
\Users\Admin\AppData\Local\Temp\fuiba.exe
| MD5 | d42313d1019ac085488b3b955282a39c |
| SHA1 | 4bd5572a524e10e7b5c66787d458ac5c961c653a |
| SHA256 | 4dc6a5894807c74826f3b526c259db01da4f6f709e9ec7a54519b2d047bc4ad1 |
| SHA512 | 9c0491e9b58b4d6767293d67ceba31d31a1885061d4683a8b7d06f32877bbeb60b026108107fb93a0572de33f20b4856fcdbc0cce3edc3bf9fb782315b889887 |
memory/2464-18-0x0000000000020000-0x0000000000021000-memory.dmp
memory/2464-17-0x0000000001160000-0x00000000011E1000-memory.dmp
memory/1736-16-0x0000000002580000-0x0000000002601000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 53cd30d073131f0efcedbde93c7be2ac |
| SHA1 | c0eceae61c088e22ad9f800efb03c88ec7258268 |
| SHA256 | 94c12646403dc4928a6bfb36c8c77c8da93d01ff8b9a1073724100ed4e86eb1d |
| SHA512 | bcca120fc54b2cc483e45464ffe27adb3e8ed06c0b1fb4216517b2428fee9148b2fdff90efba43c97e7e4e80cf303a83669fead258cf4e066841081d551d6016 |
memory/1736-21-0x0000000000FF0000-0x0000000001071000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | bbe7b4c922c9c3b02ac7db5bb0c95003 |
| SHA1 | c84cd7204cb70a338839efd90de5b66e95119733 |
| SHA256 | 02a0f0a51fdc6295327f3797ed61e1e6260c2a27d2d214be8275ec66947b4136 |
| SHA512 | 7ac22b86bb650aa1cf7eecaaaa040271fe1f935d968bb79de7bbedd365c480690b8d7dbd515c50e51c7bfa51969526f5e4bec769be12909304473289a20e3def |
memory/2464-24-0x0000000001160000-0x00000000011E1000-memory.dmp
memory/2464-25-0x0000000000020000-0x0000000000021000-memory.dmp
\Users\Admin\AppData\Local\Temp\avnur.exe
| MD5 | 8468707ae632cd485b8a881ab4d5aba3 |
| SHA1 | 4da5127fe955a8e2b215a4893a3de2acfc56f4ae |
| SHA256 | 5e9adbf46ff5688af6b584831800ace9d44aeaa5aecde66475dbd6a50846baaf |
| SHA512 | e2885db75cefed90c856c4117e4d799eefcf4848778f614fe6bea1c76b923ed6bd5924f95f786cf6196bc2332c994c7c6099eadddec3349dfb5336a968dcc5c5 |
memory/2464-38-0x0000000001040000-0x00000000010D9000-memory.dmp
memory/2464-42-0x0000000001160000-0x00000000011E1000-memory.dmp
memory/484-44-0x0000000000B20000-0x0000000000BB9000-memory.dmp
memory/484-43-0x0000000000B20000-0x0000000000BB9000-memory.dmp
memory/484-48-0x0000000000B20000-0x0000000000BB9000-memory.dmp
memory/484-49-0x0000000000B20000-0x0000000000BB9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 18:40
Reported
2024-10-15 18:42
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
101s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\yrnut.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\yrnut.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\japuz.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\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\yrnut.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\japuz.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe
"C:\Users\Admin\AppData\Local\Temp\0741c87d55b6c503486006d19bedccbbabc9c6162ed763f46ddeb310a30431b6N.exe"
C:\Users\Admin\AppData\Local\Temp\yrnut.exe
"C:\Users\Admin\AppData\Local\Temp\yrnut.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\japuz.exe
"C:\Users\Admin\AppData\Local\Temp\japuz.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11300 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| KR | 218.54.31.166:11300 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| JP | 133.242.129.155:11300 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.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 |
Files
memory/4784-0-0x0000000000D60000-0x0000000000DE1000-memory.dmp
memory/4784-1-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yrnut.exe
| MD5 | cda8b06e0de869f6ffa8fea79b311bca |
| SHA1 | 9f788a52a1b87c736fe8465873c837b90de2a154 |
| SHA256 | 555273b3b63a4bbc4a22ded7c8bb1072b2127a9857d2b0fddbabf39862ca5fd1 |
| SHA512 | 96c9508d879f4d465bd60c50fff6ddb143f3e526f3e3591d8daace16dbbbf6269cf88969b7a8079b69d19b8a94937fc10b75305550c24f0f267525cf009d38e4 |
memory/3132-14-0x0000000000D80000-0x0000000000D81000-memory.dmp
memory/3132-13-0x0000000000AA0000-0x0000000000B21000-memory.dmp
memory/4784-17-0x0000000000D60000-0x0000000000DE1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 53cd30d073131f0efcedbde93c7be2ac |
| SHA1 | c0eceae61c088e22ad9f800efb03c88ec7258268 |
| SHA256 | 94c12646403dc4928a6bfb36c8c77c8da93d01ff8b9a1073724100ed4e86eb1d |
| SHA512 | bcca120fc54b2cc483e45464ffe27adb3e8ed06c0b1fb4216517b2428fee9148b2fdff90efba43c97e7e4e80cf303a83669fead258cf4e066841081d551d6016 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 1c87837223c7937ccd2bf9c1dc344e5e |
| SHA1 | 9258f77da2247118df7be4949b223b69b7c1ccba |
| SHA256 | 903326784c09367e0a565c5cb3eaa81695d3db6d4ebd5bc552689b789c3281c2 |
| SHA512 | 37c9de6e4465f084c60e46ed116924e4092e411164da709963a7752b7c0de2bbfb0011dad3bc90777f8c6aabc94a2d9130f78c7ba60363c605ac60b2f1255a23 |
memory/3132-20-0x0000000000AA0000-0x0000000000B21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\japuz.exe
| MD5 | 50acb6504e6dfc26c853b8dfa4630911 |
| SHA1 | 0144a63e33d0debba5a060ad57e5d4c9a0b1faac |
| SHA256 | fc70bf4c167b384b025720f8502c1c81daae3b1befce038ef94322e52544b6e8 |
| SHA512 | f2b0117e0d4943b97c52548ad511f9415148d6fb81c30c197830fe1eaf5679114de4c7c0348b8f43789fdd50c13278644718a2a11bf82a8a88339ac850664212 |
memory/4788-40-0x00000000010F0000-0x00000000010F2000-memory.dmp
memory/3132-38-0x0000000000AA0000-0x0000000000B21000-memory.dmp
memory/4788-37-0x00000000008B0000-0x0000000000949000-memory.dmp
memory/4788-41-0x00000000008B0000-0x0000000000949000-memory.dmp
memory/4788-46-0x00000000010F0000-0x00000000010F2000-memory.dmp
memory/4788-45-0x00000000008B0000-0x0000000000949000-memory.dmp
memory/4788-47-0x00000000008B0000-0x0000000000949000-memory.dmp