Analysis Overview
SHA256
60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f
Threat Level: Known bad
The file 60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f was found to be: Known bad.
Malicious Activity Summary
Urelas
Deletes itself
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
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
2024-08-09 22:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-09 22:04
Reported
2024-08-09 22:06
Platform
win7-20240729-en
Max time kernel
89s
Max time network
90s
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\biudfw.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.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\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\biudfw.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\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe
"C:\Users\Admin\AppData\Local\Temp\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.47.76:11120 | tcp | |
| KR | 218.54.47.74:11150 | tcp | |
| KR | 218.54.47.76:11170 | tcp | |
| KR | 218.54.47.77:11150 | tcp |
Files
memory/2128-0-0x0000000000340000-0x0000000000368000-memory.dmp
\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | fb103f5ce52174b0b536e39fac206df3 |
| SHA1 | 876e822b06ce7be8a87e1ecf0a969152493d0fa7 |
| SHA256 | 7b724943476b15f5c311446d580486f688d29765bb3d7a390365f14c060d90de |
| SHA512 | f408148e019b3c36501a054d05b3d469cc07fef4b17429e10b7bb22f968aaed0b1f78269f42c7d0f701bd39a934657a0188bc8621b17d6dff4ce1760d78bfbc4 |
memory/2128-7-0x0000000000460000-0x0000000000488000-memory.dmp
memory/2336-11-0x0000000000180000-0x00000000001A8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 66bb0358c8c0e12f867acb9d0fdd0374 |
| SHA1 | 948717a872e2f30b11c0c8c477ec23dda8bfe6ca |
| SHA256 | b89c470f84f63fcfce53bb2f3057ac7c473bf19c7ab40eeae5afde28261c219a |
| SHA512 | 22060c0067a762219a3f53cc3d6dde28ffe6649355e6ba81946f7d80bff7539329befff32c3a4bf871a69e9845248ce1b9fc98892f98048150a14ef749f7377d |
memory/2128-18-0x0000000000340000-0x0000000000368000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a250860c0687ed9dda488805c025a2d2 |
| SHA1 | 0c181ed3b46463d35631ca169f0928c33a1da389 |
| SHA256 | 3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37 |
| SHA512 | 0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a |
memory/2336-21-0x0000000000180000-0x00000000001A8000-memory.dmp
memory/2336-23-0x0000000000180000-0x00000000001A8000-memory.dmp
memory/2336-30-0x0000000000180000-0x00000000001A8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-09 22:04
Reported
2024-08-09 22:06
Platform
win10v2004-20240802-en
Max time kernel
139s
Max time network
122s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\biudfw.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\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\biudfw.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\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe
"C:\Users\Admin\AppData\Local\Temp\60f89e3e9894c34ff370e6136c3abe657055577a07593ec7f74135915eaf454f.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| KR | 218.54.47.76:11120 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| KR | 218.54.47.74:11150 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| KR | 218.54.47.76:11170 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| KR | 218.54.47.77:11150 | tcp | |
| NL | 52.111.243.31:443 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.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/4512-0-0x0000000000B00000-0x0000000000B28000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | f9579104b8e0273877208b48d39ec0d9 |
| SHA1 | 35c8f2bb1d0d0bc64004f57187d574c992319e82 |
| SHA256 | 56ea39e93e175b5be9afb5571d41da8c69be60ad08792ee7d909bfa1ecc735cb |
| SHA512 | 532dd9f5c4dd2dcfe9d57f3bbb9a194685aac9f044a2222f0995b9fcda29b22a69021c1042a90061dd280a87a022fc4279de37e9f0fa0971345a0afb54109cf3 |
memory/2728-15-0x0000000000E90000-0x0000000000EB8000-memory.dmp
memory/4512-18-0x0000000000B00000-0x0000000000B28000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 66bb0358c8c0e12f867acb9d0fdd0374 |
| SHA1 | 948717a872e2f30b11c0c8c477ec23dda8bfe6ca |
| SHA256 | b89c470f84f63fcfce53bb2f3057ac7c473bf19c7ab40eeae5afde28261c219a |
| SHA512 | 22060c0067a762219a3f53cc3d6dde28ffe6649355e6ba81946f7d80bff7539329befff32c3a4bf871a69e9845248ce1b9fc98892f98048150a14ef749f7377d |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | a250860c0687ed9dda488805c025a2d2 |
| SHA1 | 0c181ed3b46463d35631ca169f0928c33a1da389 |
| SHA256 | 3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37 |
| SHA512 | 0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a |
memory/2728-21-0x0000000000E90000-0x0000000000EB8000-memory.dmp
memory/2728-23-0x0000000000E90000-0x0000000000EB8000-memory.dmp
memory/2728-29-0x0000000000E90000-0x0000000000EB8000-memory.dmp