Malware Analysis Report

2025-08-05 14:35

Sample ID 250702-x4mtssgj8t
Target 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex
SHA256 cce0e6ba6d48555a5d68ef95898086d6930abc64d2bde3becddb0fbf7febc644
Tags
discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

cce0e6ba6d48555a5d68ef95898086d6930abc64d2bde3becddb0fbf7febc644

Threat Level: Shows suspicious behavior

The file 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-07-02 19:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-02 19:24

Reported

2025-07-02 19:27

Platform

win10v2004-20250619-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4144907350-1836498122-2806216936-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\misid.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\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\misid.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe

"C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com 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 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.179.227:80 c.pki.goog tcp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp

Files

memory/1448-0-0x00007FFBC3790000-0x00007FFBC3985000-memory.dmp

memory/1448-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/1448-2-0x0000000000810000-0x0000000000816000-memory.dmp

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

MD5 0e36e5cc3b521a1dd76c88ed2e3e0d4e
SHA1 b9405689eb49d928d587eec6bfb4f433a9605749
SHA256 5b8a5402f477af1e56eed7e370112e61b196ff3daebdec6420bd2f88cd5d2e39
SHA512 2a74d5e6b683619fbb5d41e4d712804788a352f74d1df3904e775b7f8b8bc3aaaf13453300af394380258af6444150f0d92f16de71318a67f0b71ace67cfbbcb

memory/5420-16-0x00007FFBC3790000-0x00007FFBC3985000-memory.dmp

memory/5420-18-0x0000000000850000-0x0000000000856000-memory.dmp

memory/5420-24-0x00007FFBC3790000-0x00007FFBC3985000-memory.dmp