Malware Analysis Report

2024-10-18 21:35

Sample ID 240614-rfr6qaxeqj
Target $uckyLocker.exe
SHA256 86e0eac8c5ce70c4b839ef18af5231b5f92e292b81e440193cdbdc7ed108049f
Tags
evasion ransomware
score
8/10

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 Overview

score
8/10

SHA256

86e0eac8c5ce70c4b839ef18af5231b5f92e292b81e440193cdbdc7ed108049f

Threat Level: Likely malicious

The file $uckyLocker.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion ransomware

Disables Task Manager via registry modification

Sets desktop wallpaper using registry

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 14:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 14:08

Reported

2024-06-14 14:11

Platform

win10v2004-20240611-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\$uckyLocker.exe"

Signatures

Disables Task Manager via registry modification

evasion

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\Desktop\Wallpaper = "0" C:\Users\Admin\AppData\Local\Temp\$uckyLocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\$uckyLocker.exe

"C:\Users\Admin\AppData\Local\Temp\$uckyLocker.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 131.253.33.237:443 g.bing.com tcp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1600-0-0x000000007518E000-0x000000007518F000-memory.dmp

memory/1600-1-0x00000000002F0000-0x000000000035E000-memory.dmp

memory/1600-2-0x0000000005240000-0x00000000057E4000-memory.dmp

memory/1600-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

memory/1600-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

memory/1600-5-0x0000000075180000-0x0000000075930000-memory.dmp

memory/1600-13-0x0000000075180000-0x0000000075930000-memory.dmp

memory/1600-14-0x000000007518E000-0x000000007518F000-memory.dmp

memory/1600-15-0x0000000075180000-0x0000000075930000-memory.dmp