Malware Analysis Report

2025-08-10 19:52

Sample ID 250703-gl67qafl8x
Target 2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex
SHA256 dd0f3640a35cd329c37badd3ba6e4f00697c127f9e917205e5f9aa57e3aa2dca
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

dd0f3640a35cd329c37badd3ba6e4f00697c127f9e917205e5f9aa57e3aa2dca

Threat Level: Shows suspicious behavior

The file 2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-07-03 05:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-03 05:54

Reported

2025-07-03 05:57

Platform

win10v2004-20250619-en

Max time kernel

103s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1567862796-3850854820-1319363977-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1567862796-3850854820-1319363977-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\demka.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\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe

"C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ttms.org udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 r10.c.lencr.org udp
US 104.18.20.213:80 r10.c.lencr.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.179.227:80 c.pki.goog tcp

Files

memory/5272-0-0x0000000000404000-0x0000000000405000-memory.dmp

memory/5272-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/5272-2-0x0000000000400000-0x000000000040D000-memory.dmp

memory/5272-3-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 8aaad8cde0513c78c45b1ba74b5a411c
SHA1 895dd6a623932bfd3d5c73c06c064ccd07301c1d
SHA256 22e8afa9cc44a1a616b462359f2b7a49267e8669468369380f93c11e7c2e3855
SHA512 e59b6faf3fa58056e42ddd4c96c46488e7269a9bcd35ba878c89cff92f6132710a69719061e346e816c154fd8061427d9f6d366509614811250454c8b6dbbb09

memory/4316-19-0x0000000000400000-0x000000000040D000-memory.dmp

memory/4316-27-0x0000000000400000-0x000000000040D000-memory.dmp