Malware Analysis Report

2024-11-16 13:26

Sample ID 241010-bmdznsyepr
Target c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4
SHA256 c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4
Tags
urelas discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4

Threat Level: Known bad

The file c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-10 01:15

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-10 01:15

Reported

2024-10-10 01:17

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.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\huter.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\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.exe

"C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 112.175.88.209:11120 tcp
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 133.190.18.2.in-addr.arpa udp

Files

memory/2628-0-0x0000000000050000-0x0000000000080000-memory.dmp

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

MD5 eaeb3a02592b04433da04499ea0cca21
SHA1 0b8d2872e78a09aee95d1fc556d0c26bd113d708
SHA256 44663f62be5c2ab0751bffb8d90cd801da10a197869fdcc35e7bc00f7b223fbc
SHA512 d987509671a10562aec147b8088a0f456d7c03b3dd284228f14ec99ef0854f0057d9cfd087ea4d3bd48d2144f845060e232b63b0e63416910d2338b6a9203595

memory/3564-10-0x00000000005C0000-0x00000000005F0000-memory.dmp

memory/2628-15-0x0000000000050000-0x0000000000080000-memory.dmp

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

MD5 8915e5d84be4eeb9c686970aef54d13b
SHA1 eb3d357a92b092559c98f9c8950f4ad428dbbae6
SHA256 39d59db564f1666b2e0f32a9657b24d2496c54f714c2e438bf348e4176cc2aaf
SHA512 77561b79522bad53d34a5482c23f2f4bd9b2463ebed3356e827ab80f93edfe0cb821be451282b08443c26a01dad1fbc430abc03781b397e9d80861f354e2a239

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

MD5 dd1155cbc9956e5dbeee97b18e3c4c5a
SHA1 e5f61bc0d1bc9ad93206ea16ddefca0900ea780c
SHA256 53be558f961cb503bea4e622d7833128bb01c698cc3cc6d3ec9b1cf1bafe72b7
SHA512 1e384513a0d2bb4d797d714f93afdf69efb2be05217fd6b5f421fc3f776ec89431b20d5a82e731d7d78c7d4f8fae3ab49880b524844b3c5e16281fa83d00a1ce

memory/3564-18-0x00000000005C0000-0x00000000005F0000-memory.dmp

memory/3564-20-0x00000000005C0000-0x00000000005F0000-memory.dmp

memory/3564-27-0x00000000005C0000-0x00000000005F0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-10 01:15

Reported

2024-10-10 01:17

Platform

win7-20240704-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\huter.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.exe

"C:\Users\Admin\AppData\Local\Temp\c0f04995787c4015d01560fab8d3875a16e2e3044db6f49607e24e6ad723a6b4.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/1580-0-0x0000000000280000-0x00000000002B0000-memory.dmp

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

MD5 3d2c15a27da8846892fb8559c656f79b
SHA1 3543de559de81ed8aeb59b4949aea94a621ce81b
SHA256 481259e629549ca5c6060ecaa6403c391f03e34145ac9075344d3bc273c849eb
SHA512 ee54460c321330dca51fdd3f87a25d8bbdb8c2ee3f53c8f3b6c94c306c08d48de53c7f0d138517ea1df2249b9c0acdbf65c933e9953e41d9eb9392b40ff9a273

memory/1580-9-0x00000000005D0000-0x0000000000600000-memory.dmp

memory/1116-10-0x0000000001040000-0x0000000001070000-memory.dmp

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

MD5 8915e5d84be4eeb9c686970aef54d13b
SHA1 eb3d357a92b092559c98f9c8950f4ad428dbbae6
SHA256 39d59db564f1666b2e0f32a9657b24d2496c54f714c2e438bf348e4176cc2aaf
SHA512 77561b79522bad53d34a5482c23f2f4bd9b2463ebed3356e827ab80f93edfe0cb821be451282b08443c26a01dad1fbc430abc03781b397e9d80861f354e2a239

memory/1580-19-0x0000000000280000-0x00000000002B0000-memory.dmp

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

MD5 dd1155cbc9956e5dbeee97b18e3c4c5a
SHA1 e5f61bc0d1bc9ad93206ea16ddefca0900ea780c
SHA256 53be558f961cb503bea4e622d7833128bb01c698cc3cc6d3ec9b1cf1bafe72b7
SHA512 1e384513a0d2bb4d797d714f93afdf69efb2be05217fd6b5f421fc3f776ec89431b20d5a82e731d7d78c7d4f8fae3ab49880b524844b3c5e16281fa83d00a1ce

memory/1116-22-0x0000000001040000-0x0000000001070000-memory.dmp

memory/1116-24-0x0000000001040000-0x0000000001070000-memory.dmp

memory/1116-31-0x0000000001040000-0x0000000001070000-memory.dmp