Malware Analysis Report

2024-11-16 13:26

Sample ID 240804-bwfvmawglg
Target dd62a6299a5359622ccf303ec6d06590N.exe
SHA256 1e50810a6924c6022468202efa2f9a1b04e5ddc28ee63b162b85d9bdcc662103
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

1e50810a6924c6022468202efa2f9a1b04e5ddc28ee63b162b85d9bdcc662103

Threat Level: Known bad

The file dd62a6299a5359622ccf303ec6d06590N.exe was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Deletes itself

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-04 01:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-04 01:29

Reported

2024-08-04 01:31

Platform

win7-20240704-en

Max time kernel

120s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.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\cycyc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\zeaqz.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\cycyc.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\zeaqz.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2860 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Users\Admin\AppData\Local\Temp\cycyc.exe
PID 2860 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Users\Admin\AppData\Local\Temp\cycyc.exe
PID 2860 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Users\Admin\AppData\Local\Temp\cycyc.exe
PID 2860 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Users\Admin\AppData\Local\Temp\cycyc.exe
PID 2860 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Windows\SysWOW64\cmd.exe
PID 2860 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Windows\SysWOW64\cmd.exe
PID 2860 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Windows\SysWOW64\cmd.exe
PID 2860 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe C:\Windows\SysWOW64\cmd.exe
PID 2788 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cycyc.exe C:\Users\Admin\AppData\Local\Temp\zeaqz.exe
PID 2788 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cycyc.exe C:\Users\Admin\AppData\Local\Temp\zeaqz.exe
PID 2788 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cycyc.exe C:\Users\Admin\AppData\Local\Temp\zeaqz.exe
PID 2788 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\cycyc.exe C:\Users\Admin\AppData\Local\Temp\zeaqz.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe

"C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe"

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

"C:\Users\Admin\AppData\Local\Temp\cycyc.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "

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

"C:\Users\Admin\AppData\Local\Temp\zeaqz.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/2860-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2860-0-0x0000000000360000-0x00000000003E1000-memory.dmp

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

MD5 af09466a409fa80fd7530dcce537fd70
SHA1 753931953a86db15814f42fd3a63f903da1a3e19
SHA256 12f196af8be13111963b1d5300fe1356698b36be8f18859f9e3eafb7a66de02d
SHA512 a1b4a3cb2bb982a5f235c522e03de721ddce723cd5acf4c1750fb5ea1f3cd7a0ef31c59d136a6f2780efa8f2d151701ed0fafbcf487d777b3b614e774a20ab5d

memory/2860-6-0x00000000027A0000-0x0000000002821000-memory.dmp

memory/2788-11-0x0000000000020000-0x0000000000021000-memory.dmp

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

MD5 9f5a0f471e1cb5978d457f5ab86401ee
SHA1 ca8bba5bc55431d9c583fc28fe243abf92fef079
SHA256 b64963b16cc9c5e8d72bc4806dcea0a34272fd5f2d0a26c4acc16027bcd627d0
SHA512 134ed46963f4ef671f42e5527db22050c7c9f308341fac982eef6c10534f0dca74d74eec18f84d897534e339170d7e7131f3a963b762b1e5ce0aa56d90bb2914

memory/2860-19-0x0000000000360000-0x00000000003E1000-memory.dmp

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

MD5 610da0579f249d29707a97f4cd5d4a0b
SHA1 8da0815605227249634fe14cec602d4ad81c9ad0
SHA256 43efd588785581ab1673d5a35fbc6532ebb5ef2607d48a1c5a528d7841ce89c9
SHA512 5d086468c956ac26739f38ff2a40feff2b7b7b4ef492443e1035fd48bca8ddbd767018d47aab97d9772bf3006a9d86fed3f71876eebf2ea2933174c34d27f1b4

memory/2788-22-0x0000000000C70000-0x0000000000CF1000-memory.dmp

memory/2788-24-0x0000000000020000-0x0000000000021000-memory.dmp

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

MD5 5fcc0a94118e73e7cf8e3807a345b048
SHA1 517b8ea65ffc542e536f26fc8b731e03a1a7b1e6
SHA256 467c0bbf3430dba9db51d63e9cc748ba09e9b5269cfb003de7d4c32b814e3782
SHA512 5ab552cc26100aac23ce5dfbb350108a6fd7a105c5de29aedb4dfc0b7050b1d64590af4a9a84b8f8428a51c60aab0f558a7458dd8d2a1aa59c371ab4e68d26fe

memory/2788-36-0x0000000002BE0000-0x0000000002C79000-memory.dmp

memory/2712-40-0x0000000000980000-0x0000000000A19000-memory.dmp

memory/2788-41-0x0000000000C70000-0x0000000000CF1000-memory.dmp

memory/2712-42-0x0000000000980000-0x0000000000A19000-memory.dmp

memory/2712-46-0x0000000000980000-0x0000000000A19000-memory.dmp

memory/2712-47-0x0000000000980000-0x0000000000A19000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-04 01:29

Reported

2024-08-04 01:31

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kyfuj.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kyfuj.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\goduh.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\dd62a6299a5359622ccf303ec6d06590N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\kyfuj.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\goduh.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe

"C:\Users\Admin\AppData\Local\Temp\dd62a6299a5359622ccf303ec6d06590N.exe"

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

"C:\Users\Admin\AppData\Local\Temp\kyfuj.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\goduh.exe

"C:\Users\Admin\AppData\Local\Temp\goduh.exe"

Network

Country Destination Domain Proto
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 8.8.8.8:53 172.214.232.199.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
KR 1.234.83.146:11170 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
KR 218.54.31.166:11300 tcp
JP 133.242.129.155:11300 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4016-0-0x0000000000EF0000-0x0000000000F71000-memory.dmp

memory/4016-1-0x0000000000B50000-0x0000000000B51000-memory.dmp

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

MD5 e2e9fc057c76e97aaf98284a25f443aa
SHA1 5433f5fc51781ff13a00be64d62f871a1db51052
SHA256 ec0d9ef6af316f39ca28647bd4a4b926059e024cd0c535305acb2fb250f3b2e2
SHA512 93b18f975bac3885ca0fd2fc911e03b6a3e5afac74694ff4a514957d4918af48443410793276a306faa8229f59b21dbeadf782cb0ff3ce75d410c05b42561520

memory/4324-14-0x0000000000760000-0x0000000000761000-memory.dmp

memory/4324-13-0x00000000000B0000-0x0000000000131000-memory.dmp

memory/4016-17-0x0000000000EF0000-0x0000000000F71000-memory.dmp

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

MD5 9f5a0f471e1cb5978d457f5ab86401ee
SHA1 ca8bba5bc55431d9c583fc28fe243abf92fef079
SHA256 b64963b16cc9c5e8d72bc4806dcea0a34272fd5f2d0a26c4acc16027bcd627d0
SHA512 134ed46963f4ef671f42e5527db22050c7c9f308341fac982eef6c10534f0dca74d74eec18f84d897534e339170d7e7131f3a963b762b1e5ce0aa56d90bb2914

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

MD5 45248678a21d20fc248057c679798df0
SHA1 47322848c1254be2ec0aac2bc9b385a07d3763a6
SHA256 5fef29206de589dab027f177cc872bdb9ccc1d6a29a9e3bce1888f400a6a70c3
SHA512 19feba3250a5d7772ab477830e8c46a27a1773055d6812c33753a8c45be753e4505df8ee3c0ef9ef727678f25202467239cbd39f7a90da7749e61963c36a0dea

memory/4324-20-0x00000000000B0000-0x0000000000131000-memory.dmp

memory/4324-22-0x0000000000760000-0x0000000000761000-memory.dmp

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

MD5 e9064255f9c424ecf20a98b1813a710a
SHA1 7f809477274809f0a359136e022c53a76a3608b4
SHA256 bbbe594ab09d1700fcfc56f943a954b1a3d5a4fe4f5913c298cf70743e4035a7
SHA512 c216244f8f4682852652ba5417da5d96ca76646aba72a12554f3618aa0befbf7facb7c71fe98fa5d4b635b2e6fdc32088c9a3b0041db5c5cef3d2ccd968f3ad8

memory/4324-37-0x00000000000B0000-0x0000000000131000-memory.dmp

memory/4964-40-0x0000000000C80000-0x0000000000C82000-memory.dmp

memory/4964-39-0x00000000006C0000-0x0000000000759000-memory.dmp

memory/4964-41-0x00000000006C0000-0x0000000000759000-memory.dmp

memory/4964-45-0x00000000006C0000-0x0000000000759000-memory.dmp

memory/4964-46-0x00000000006C0000-0x0000000000759000-memory.dmp

memory/4964-47-0x0000000000C80000-0x0000000000C82000-memory.dmp