Malware Analysis Report

2024-11-16 13:28

Sample ID 240813-swj1qawdqn
Target 7963cdabff4958e2881f404479bb6340N.exe
SHA256 5d11f88ae79413351d7066f87efb5cb2c3ccb8d0889ee6bf0b135328b8a808f4
Tags
urelas aspackv2 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

5d11f88ae79413351d7066f87efb5cb2c3ccb8d0889ee6bf0b135328b8a808f4

Threat Level: Known bad

The file 7963cdabff4958e2881f404479bb6340N.exe was found to be: Known bad.

Malicious Activity Summary

urelas aspackv2 discovery trojan

Urelas family

Urelas

ASPack v2.12-2.42

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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-13 15:28

Signatures

Urelas family

urelas

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-13 15:28

Reported

2024-08-13 15:30

Platform

win7-20240704-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe"

Signatures

Urelas

trojan urelas

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

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\joaxs.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\xewiv.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\7963cdabff4958e2881f404479bb6340N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\joaxs.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\xewiv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2812 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Users\Admin\AppData\Local\Temp\joaxs.exe
PID 2812 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Users\Admin\AppData\Local\Temp\joaxs.exe
PID 2812 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Users\Admin\AppData\Local\Temp\joaxs.exe
PID 2812 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Users\Admin\AppData\Local\Temp\joaxs.exe
PID 2812 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Windows\SysWOW64\cmd.exe
PID 2812 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Windows\SysWOW64\cmd.exe
PID 2812 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Windows\SysWOW64\cmd.exe
PID 2812 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe C:\Windows\SysWOW64\cmd.exe
PID 2760 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\joaxs.exe C:\Users\Admin\AppData\Local\Temp\xewiv.exe
PID 2760 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\joaxs.exe C:\Users\Admin\AppData\Local\Temp\xewiv.exe
PID 2760 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\joaxs.exe C:\Users\Admin\AppData\Local\Temp\xewiv.exe
PID 2760 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\joaxs.exe C:\Users\Admin\AppData\Local\Temp\xewiv.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe

"C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

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

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

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

Network

Country Destination Domain Proto
KR 218.54.31.226:11120 tcp
KR 1.234.83.146:11170 tcp
KR 218.54.30.235:11120 tcp
JP 133.242.129.155:11120 tcp

Files

memory/2812-0-0x0000000000D80000-0x0000000000F4E000-memory.dmp

memory/2812-1-0x0000000000D80000-0x0000000000F4E000-memory.dmp

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

MD5 c865f3deee7a56bf635f55f7c00d2682
SHA1 efa20eccc92c0cecd433fd94697ff0c5e6330fd8
SHA256 db4a4406652e65aa0ccfce2c4357db2832f9b3bc3516cbcd83a37b7b2fda0c82
SHA512 b9fb45f8220efc37bf228c05cb38f7fbab3364a439c460167429f7ad3bc033c0078701cde85f9d63c322b834749725c12b90b4f6c1c5968b85f39cee4faca513

memory/2760-11-0x0000000000A50000-0x0000000000C1E000-memory.dmp

memory/2812-9-0x0000000002D20000-0x0000000002EEE000-memory.dmp

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

MD5 7efb1dabcd6242148b4a4cf86fc7fc33
SHA1 0fc787e85672adb686071f0f3c692caf671faf03
SHA256 3cccd7f8a2110b39bdd9a3784ec9d7b0a3207867d561de9b0e6440e848270fbd
SHA512 54c433da2c67c77a6b032c867f7abff0787cef6b74e9f0bd1f3555db28a9665cd4708f3ec5024226da7330ea405fc436e030fb1ad68d9111ad76553e53c6e0f6

memory/2812-20-0x0000000000D80000-0x0000000000F4E000-memory.dmp

memory/2760-12-0x0000000000A50000-0x0000000000C1E000-memory.dmp

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

MD5 9154683ead8e464c4277e553a158b589
SHA1 62bcebce6d34b66fc377f31051c456cd2c68e8f5
SHA256 d3ea223c4be7d64feb9ba9d7ffc90ebf96aeca3002bc4e45bb1abef76e14b2f1
SHA512 e7a3efeb7fff125bcd686bda9f351efeac7f05eeb7b5149ae068a2c61f54e36c8e23a40f8b18151202ffa80deb9e4f0fef4e5b2852acbf82f4a382f9f9af27dc

memory/2760-23-0x0000000000A50000-0x0000000000C1E000-memory.dmp

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

MD5 f88129f9979a4f95777358a4bde81cab
SHA1 f8d87c95128c0c6763776df731e4bfb21748dba6
SHA256 3b886408e5646f7a006d70e175663d309be89a8a8f78769b53644c985389ed85
SHA512 58f1276ed048c34b22a27d221fbedb1ec862c05128830e1a5ed92495b8818d875e32dd55d44813314ce9865bd4962ef29e615eba61c955bb92899fa23cdf0e13

memory/2592-34-0x0000000001050000-0x00000000010E3000-memory.dmp

memory/2592-33-0x0000000001050000-0x00000000010E3000-memory.dmp

memory/2592-32-0x0000000001050000-0x00000000010E3000-memory.dmp

memory/2592-31-0x0000000001050000-0x00000000010E3000-memory.dmp

memory/2760-29-0x0000000000A50000-0x0000000000C1E000-memory.dmp

memory/2592-36-0x0000000001050000-0x00000000010E3000-memory.dmp

memory/2592-37-0x0000000001050000-0x00000000010E3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-13 15:28

Reported

2024-08-13 15:30

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe"

Signatures

Urelas

trojan urelas

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\qyvon.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\qyvon.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\lyteo.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\7963cdabff4958e2881f404479bb6340N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\qyvon.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\lyteo.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe

"C:\Users\Admin\AppData\Local\Temp\7963cdabff4958e2881f404479bb6340N.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuy.bat" "

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 218.54.31.226:11120 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
KR 1.234.83.146:11170 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
KR 218.54.30.235:11120 tcp
JP 133.242.129.155:11120 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/972-0-0x0000000000DA0000-0x0000000000F6E000-memory.dmp

memory/972-1-0x0000000000DA0000-0x0000000000F6E000-memory.dmp

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

MD5 8196f7be6e41879939681cda3da8d1ad
SHA1 70c12c360d729861ace81d06fbca39f123e2c2f4
SHA256 327b51fefc3560406c27e84afa2861c7977aca499a515f7c357b75895ab8b202
SHA512 0d148ad8e8cef374f1fdf17f9e2ae16c4af9faa375745a09dfe6831c066aefa75fbdb86ed4ef9b17c71bd58b12780aecc5e2c51c967c13b6518c03f12f96bbf8

memory/3040-13-0x0000000000A20000-0x0000000000BEE000-memory.dmp

memory/972-16-0x0000000000DA0000-0x0000000000F6E000-memory.dmp

memory/3040-15-0x0000000000A20000-0x0000000000BEE000-memory.dmp

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

MD5 7efb1dabcd6242148b4a4cf86fc7fc33
SHA1 0fc787e85672adb686071f0f3c692caf671faf03
SHA256 3cccd7f8a2110b39bdd9a3784ec9d7b0a3207867d561de9b0e6440e848270fbd
SHA512 54c433da2c67c77a6b032c867f7abff0787cef6b74e9f0bd1f3555db28a9665cd4708f3ec5024226da7330ea405fc436e030fb1ad68d9111ad76553e53c6e0f6

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

MD5 5cd2fd2db9141ca293e92294bfdc346c
SHA1 b5393f4e292ddc307c11d5a941662220a8751f4f
SHA256 4f5c055bd492f1e9d97c7bc335c6343b383544b914109c49e72768fbef91ab1d
SHA512 fda1bec443b8fc877ed9e6e9cec2ee84a104e8f4e4e7d4cfe70e2af1fa84b9da18e7b1ece0373e838f58750d6abdb3832df2364ba4fb050ae19a91ddd9b3e946

memory/3040-19-0x0000000000A20000-0x0000000000BEE000-memory.dmp

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

MD5 e7c0f876d000a37a0b7e30fa46afabbe
SHA1 a581a2347ce9128a1c63c0968a01e2ca37b48511
SHA256 70ce8f353f38ead7470eba10e89f1d8e8d6f2820198014e8638e2e38da168538
SHA512 258187b7629924d842fba10f5e4426c5348b54180892bafed27333cf5824086341db9e3ccf7ea0fef3208f04c7c4383d21cd2938f6c4d35b0b645bd8ab7d3363

memory/2368-31-0x0000000000C20000-0x0000000000CB3000-memory.dmp

memory/2368-30-0x0000000000C20000-0x0000000000CB3000-memory.dmp

memory/2368-32-0x0000000000C20000-0x0000000000CB3000-memory.dmp

memory/2368-29-0x0000000000C20000-0x0000000000CB3000-memory.dmp

memory/3040-28-0x0000000000A20000-0x0000000000BEE000-memory.dmp

memory/2368-34-0x0000000000C20000-0x0000000000CB3000-memory.dmp

memory/2368-35-0x0000000000C20000-0x0000000000CB3000-memory.dmp