Malware Analysis Report

2024-11-16 13:27

Sample ID 240806-zat25azcnl
Target 369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9
SHA256 369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9
Tags
urelas discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9

Threat Level: Known bad

The file 369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas

Checks computer location settings

Deletes itself

Loads dropped DLL

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-06 20:31

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-06 20:31

Reported

2024-08-06 20:33

Platform

win7-20240704-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.exe"

Signatures

Urelas

trojan 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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.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

Processes

C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.exe

"C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.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/2436-0-0x0000000000C00000-0x0000000000C37000-memory.dmp

\Users\Admin\AppData\Local\Temp\huter.exe

MD5 0189ae32e2edf6b98c74eae4304e3ed4
SHA1 3eed7bbb21deeed9a474056e923db79440bcc3ad
SHA256 d3dc753c42849e49bb9e755e5b9780962a3a0e8b4945e01f315d00e69343880d
SHA512 d511857c1868d20989462ac6f79914800e2070225ebacea06fca979d63bcafae1b211e058cbd085dc4c65148236f2486e49f6e762952f30915a3c1b655d2ed7d

memory/2436-6-0x0000000000BA0000-0x0000000000BD7000-memory.dmp

memory/2440-10-0x0000000000270000-0x00000000002A7000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

MD5 d0a63c396d419ffe8d3b287218b48507
SHA1 128e1c18c9e6f17d83ba292afa29c1f3264f37a3
SHA256 422c2ddceac7827b27e52c6c5f590a9f4422668496bd1e3d4369cf933878a78c
SHA512 5225c9404b36fc993a9f92d0123dea0f9163c0fdbffae7c3819d939beaf84f39ba398782db64b2ea9593f89898e8800ab5fc0960eda349bfc0e6d8f9b5e05093

memory/2436-18-0x0000000000C00000-0x0000000000C37000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

MD5 a39f3ff1599241818ef65c0fd09039ed
SHA1 8d40b394a337a9da3330603fcd523842bccdf504
SHA256 1a642c68cd9771cc0f73ba498cf973bb560f34ac6f55ab17d26847a7714e34dc
SHA512 32e59ac200465d2c6c53c76344bfc1382ad12359a4e691c0473a86ba00f264fe7a93925bfac6fb0e4e18ff1a913b2dbba87f6d707e2ce0eafdb861f42028286e

memory/2440-21-0x0000000000270000-0x00000000002A7000-memory.dmp

memory/2440-23-0x0000000000270000-0x00000000002A7000-memory.dmp

memory/2440-30-0x0000000000270000-0x00000000002A7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 20:31

Reported

2024-08-06 20:33

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\huter.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.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

Processes

C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.exe

"C:\Users\Admin\AppData\Local\Temp\369904248ff3122fd34442fd268b51d47a842068ddc174d3196294236970b4f9.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 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
KR 112.175.88.209:11120 tcp
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/1456-0-0x0000000000E30000-0x0000000000E67000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\huter.exe

MD5 54935cde42b96f4327bba3e1057fca15
SHA1 c62ff408c0cea7eeb8974a86a4ee9badbeae4d31
SHA256 0b01a4f749cb3eb15c6c6b001415fbca3fa8d87565eb34490487c692394d2f82
SHA512 ba469999eedec863ee9e412f90a495a7ee90e591b5f9244761f5be211f5acf9d02ecff69d6a9bea342dcf6386369eb12ea4f07b063afaf556b7291193748af38

memory/4760-12-0x0000000000410000-0x0000000000447000-memory.dmp

memory/1456-15-0x0000000000E30000-0x0000000000E67000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

MD5 d0a63c396d419ffe8d3b287218b48507
SHA1 128e1c18c9e6f17d83ba292afa29c1f3264f37a3
SHA256 422c2ddceac7827b27e52c6c5f590a9f4422668496bd1e3d4369cf933878a78c
SHA512 5225c9404b36fc993a9f92d0123dea0f9163c0fdbffae7c3819d939beaf84f39ba398782db64b2ea9593f89898e8800ab5fc0960eda349bfc0e6d8f9b5e05093

C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

MD5 a39f3ff1599241818ef65c0fd09039ed
SHA1 8d40b394a337a9da3330603fcd523842bccdf504
SHA256 1a642c68cd9771cc0f73ba498cf973bb560f34ac6f55ab17d26847a7714e34dc
SHA512 32e59ac200465d2c6c53c76344bfc1382ad12359a4e691c0473a86ba00f264fe7a93925bfac6fb0e4e18ff1a913b2dbba87f6d707e2ce0eafdb861f42028286e

memory/4760-18-0x0000000000410000-0x0000000000447000-memory.dmp

memory/4760-20-0x0000000000410000-0x0000000000447000-memory.dmp

memory/4760-26-0x0000000000410000-0x0000000000447000-memory.dmp