Malware Analysis Report

2024-11-16 13:28

Sample ID 240806-ad3q1ashkl
Target 2b0db0ee1403db78285e0b416e206180N.exe
SHA256 0ca127d80352bdf1cee9a1d5e1f020e4265fae2a20272b1df5d7458e9a15ceb6
Tags
upx 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

0ca127d80352bdf1cee9a1d5e1f020e4265fae2a20272b1df5d7458e9a15ceb6

Threat Level: Known bad

The file 2b0db0ee1403db78285e0b416e206180N.exe was found to be: Known bad.

Malicious Activity Summary

upx urelas discovery trojan

Urelas family

Urelas

Executes dropped EXE

UPX packed file

Deletes itself

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-06 00:06

Signatures

Urelas family

urelas

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-06 00:06

Reported

2024-08-06 00:08

Platform

win7-20240708-en

Max time kernel

89s

Max time network

90s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\2b0db0ee1403db78285e0b416e206180N.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\2b0db0ee1403db78285e0b416e206180N.exe

"C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.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/964-0-0x0000000000400000-0x0000000000431000-memory.dmp

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

MD5 d96a1418276cd91f937b94e3f39abf0f
SHA1 48097cb284910fda77d0a0e3cabebd2bd8048842
SHA256 7fbcad8211094961decc42192e4a5a1fa20bb25908f2b4e9edb62113868a43f0
SHA512 09c71aa9aa80199baaae393e1c93e4562a3ba54c3a8e20b278760bc3745d4fa5650baa9d809adcd3b3889588af1b431693beeab913fe4fbac2f4aed43a582116

memory/3068-16-0x0000000000400000-0x0000000000431000-memory.dmp

memory/964-13-0x0000000001EC0000-0x0000000001EF1000-memory.dmp

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

MD5 f3998faf7c54ca02eb49dfa060c34d97
SHA1 6ef6db54facc1813a85d2eecc8b735362edef848
SHA256 2e989b122bf47308211c497977f7b8b07b1ea3a498cc09f742c846d3874f1e6b
SHA512 29205690c44bcd269b5bb4cbaf8528596bb65990d9792643c425c1a13541183f78f68bd313e58d2f564251b1bbee6edcd710bb48a61cc46459ab6442afc6df73

memory/964-19-0x0000000000400000-0x0000000000431000-memory.dmp

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

MD5 a01dba4c45102fc15292fd5591166536
SHA1 d96191c30e0f09439d8547f4ededbf6726ccd54b
SHA256 cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904
SHA512 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

memory/3068-22-0x0000000000400000-0x0000000000431000-memory.dmp

memory/3068-24-0x0000000000400000-0x0000000000431000-memory.dmp

memory/3068-31-0x0000000000400000-0x0000000000431000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 00:06

Reported

2024-08-06 00:08

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.exe N/A

Executes dropped EXE

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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\2b0db0ee1403db78285e0b416e206180N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.exe

"C:\Users\Admin\AppData\Local\Temp\2b0db0ee1403db78285e0b416e206180N.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 23.159.190.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
KR 112.175.88.207:11150 tcp

Files

memory/2604-0-0x0000000000400000-0x0000000000431000-memory.dmp

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

MD5 01217efa73e6edec127e92bc103b95ff
SHA1 6b5bc7227f36cd780d78a4811edefc429ad015bd
SHA256 60c956c1b183764fb8ab40bfd6cbd47c4792376d2d2b576e2291d01d80189042
SHA512 c72a7db626e36242504b0b905dfe5f7cbf01268ff8e5a7f123a2ac2fc35e77bedf608fbaa875394d2b81938a206d6fdaf1a38d06032f913b19cbe1d485d7b86f

memory/2960-14-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2604-18-0x0000000000400000-0x0000000000431000-memory.dmp

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

MD5 f3998faf7c54ca02eb49dfa060c34d97
SHA1 6ef6db54facc1813a85d2eecc8b735362edef848
SHA256 2e989b122bf47308211c497977f7b8b07b1ea3a498cc09f742c846d3874f1e6b
SHA512 29205690c44bcd269b5bb4cbaf8528596bb65990d9792643c425c1a13541183f78f68bd313e58d2f564251b1bbee6edcd710bb48a61cc46459ab6442afc6df73

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

MD5 a01dba4c45102fc15292fd5591166536
SHA1 d96191c30e0f09439d8547f4ededbf6726ccd54b
SHA256 cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904
SHA512 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

memory/2960-21-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2960-23-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2960-29-0x0000000000400000-0x0000000000431000-memory.dmp