Malware Analysis Report

2024-10-23 19:16

Sample ID 230706-t9yxgaec6w
Target Evolion Launcher.exe
SHA256 e85101062f748f61e87f91bac8abcaa11b5754fb364b8e99cc67b9e7f0283edc
Tags
gurcu stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

e85101062f748f61e87f91bac8abcaa11b5754fb364b8e99cc67b9e7f0283edc

Threat Level: Known bad

The file Evolion Launcher.exe was found to be: Known bad.

Malicious Activity Summary

gurcu stealer

Gurcu family

Gurcu, WhiteSnake

Drops file in System32 directory

Unsigned PE

Enumerates system info in registry

Uses Task Scheduler COM API

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-06 16:46

Signatures

Gurcu family

gurcu

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-06 16:46

Reported

2023-07-06 16:48

Platform

win7-20230703-en

Max time kernel

26s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Evolion Launcher.exe"

Signatures

Gurcu, WhiteSnake

stealer gurcu

Processes

C:\Users\Admin\AppData\Local\Temp\Evolion Launcher.exe

"C:\Users\Admin\AppData\Local\Temp\Evolion Launcher.exe"

Network

N/A

Files

memory/2216-54-0x0000000000850000-0x00000000009B6000-memory.dmp

memory/2216-55-0x0000000000A70000-0x0000000000AB0000-memory.dmp

memory/2216-56-0x00000000003B0000-0x00000000003BA000-memory.dmp

memory/2216-57-0x00000000003B0000-0x00000000003BA000-memory.dmp

memory/2216-58-0x0000000000A70000-0x0000000000AB0000-memory.dmp

memory/2216-59-0x0000000000A70000-0x0000000000AB0000-memory.dmp

memory/2216-61-0x00000000003B0000-0x00000000003BA000-memory.dmp

memory/2216-60-0x00000000003B0000-0x00000000003BA000-memory.dmp

memory/2216-62-0x0000000000A70000-0x0000000000AB0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-06 16:46

Reported

2023-07-06 16:48

Platform

win10v2004-20230703-en

Max time kernel

125s

Max time network

155s

Command Line

C:\Windows\System32\svchost.exe -k netsvcs -p

Signatures

Gurcu, WhiteSnake

stealer gurcu

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{48BFA4B5-3738-475A-AD08-B6A4E68F9517}.catalogItem C:\Windows\System32\svchost.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\System32\svchost.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\System32\svchost.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k netsvcs -p

C:\Users\Admin\AppData\Local\Temp\Evolion Launcher.exe

"C:\Users\Admin\AppData\Local\Temp\Evolion Launcher.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 198.209.218.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 126.128.241.8.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 104.116.69.13.in-addr.arpa udp

Files

memory/1604-140-0x0000000000E90000-0x0000000000FF6000-memory.dmp

memory/1604-141-0x0000000005840000-0x0000000005850000-memory.dmp

memory/1604-142-0x0000000008C80000-0x0000000008C88000-memory.dmp

memory/1604-143-0x0000000008D10000-0x0000000008D48000-memory.dmp

memory/1604-144-0x0000000008CE0000-0x0000000008CEE000-memory.dmp

memory/1604-145-0x0000000005840000-0x0000000005850000-memory.dmp

memory/1604-146-0x0000000005840000-0x0000000005850000-memory.dmp

memory/1604-147-0x0000000005840000-0x0000000005850000-memory.dmp

memory/1604-148-0x0000000005840000-0x0000000005850000-memory.dmp

memory/1604-149-0x0000000005840000-0x0000000005850000-memory.dmp