Malware Analysis Report

2024-11-16 13:26

Sample ID 240806-xp7knaxdqj
Target 131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc
SHA256 131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc
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

131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc

Threat Level: Known bad

The file 131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas

Loads dropped DLL

Deletes itself

Executes dropped EXE

Checks computer location settings

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-06 19:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-06 19:02

Reported

2024-08-06 19:05

Platform

win7-20240708-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.exe

"C:\Users\Admin\AppData\Local\Temp\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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/2412-0-0x0000000000960000-0x0000000000997000-memory.dmp

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

MD5 6f0355370e4e7ab68242597caeb8b82a
SHA1 3b4563e52d626b85aab29580fb974079804b8f09
SHA256 96998f9b7e5cb2ca470f54bd1dede15586f15b1d0d28541d8f68bb53f982e5c7
SHA512 136aeceb20fe6670e79a0b933f21cd98fae5507f91fbbf1d546775158bfa5cdfeb5ac61e89ae2b2a8d07081e3dd6fbd340b65caae0ea700d3ec179699f07d71f

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

MD5 0a6ed10ccfe0907e3687f90eace351e8
SHA1 3a0a8885af6bdad84288a439277075826f82a85b
SHA256 cef5f82fa8c8c24ae780e308814e68054732abbde1290907f38825f0738be792
SHA512 44842c3a2246e8108025b43d0a2131fca26b200a776ffbb18a8b75dd413902353181ab54957fe798e00774008bf8fadd6187434502c5da338e16c092ece80efa

memory/2412-16-0x0000000000900000-0x0000000000937000-memory.dmp

memory/1544-19-0x0000000000C10000-0x0000000000C47000-memory.dmp

memory/2412-18-0x0000000000960000-0x0000000000997000-memory.dmp

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

MD5 a39f3ff1599241818ef65c0fd09039ed
SHA1 8d40b394a337a9da3330603fcd523842bccdf504
SHA256 1a642c68cd9771cc0f73ba498cf973bb560f34ac6f55ab17d26847a7714e34dc
SHA512 32e59ac200465d2c6c53c76344bfc1382ad12359a4e691c0473a86ba00f264fe7a93925bfac6fb0e4e18ff1a913b2dbba87f6d707e2ce0eafdb861f42028286e

memory/1544-22-0x0000000000C10000-0x0000000000C47000-memory.dmp

memory/1544-24-0x0000000000C10000-0x0000000000C47000-memory.dmp

memory/1544-31-0x0000000000C10000-0x0000000000C47000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 19:02

Reported

2024-08-06 19:05

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.exe

"C:\Users\Admin\AppData\Local\Temp\131bd10db59066f77c934973a9648518c03ac2eb8ac2b80310da5a0bf6ca70fc.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 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 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1764-0-0x0000000000AF0000-0x0000000000B27000-memory.dmp

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

MD5 ccd0452eaccda92387da5214de5d0b1d
SHA1 93c3ad17c3581d0529795d13ccf32f0c60eb3ae3
SHA256 2eadb1f94d7337766ea93b45cc0a031647938e6070f71cc98f033ec352bf4c53
SHA512 dba968fb2060c733c26ac622124d85efd2e6e8e1c896eefac7f405b0ae75984a9f1f14f6712a69337d96d049b8f72946459e036aa49ef33daa55a31194de6916

memory/2584-12-0x0000000000D10000-0x0000000000D47000-memory.dmp

memory/1764-14-0x0000000000AF0000-0x0000000000B27000-memory.dmp

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

MD5 0a6ed10ccfe0907e3687f90eace351e8
SHA1 3a0a8885af6bdad84288a439277075826f82a85b
SHA256 cef5f82fa8c8c24ae780e308814e68054732abbde1290907f38825f0738be792
SHA512 44842c3a2246e8108025b43d0a2131fca26b200a776ffbb18a8b75dd413902353181ab54957fe798e00774008bf8fadd6187434502c5da338e16c092ece80efa

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

MD5 a39f3ff1599241818ef65c0fd09039ed
SHA1 8d40b394a337a9da3330603fcd523842bccdf504
SHA256 1a642c68cd9771cc0f73ba498cf973bb560f34ac6f55ab17d26847a7714e34dc
SHA512 32e59ac200465d2c6c53c76344bfc1382ad12359a4e691c0473a86ba00f264fe7a93925bfac6fb0e4e18ff1a913b2dbba87f6d707e2ce0eafdb861f42028286e

memory/2584-17-0x0000000000D10000-0x0000000000D47000-memory.dmp

memory/2584-19-0x0000000000D10000-0x0000000000D47000-memory.dmp

memory/2584-26-0x0000000000D10000-0x0000000000D47000-memory.dmp