Malware Analysis Report

2025-08-10 21:40

Sample ID 240602-25h98aae2v
Target 2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker
SHA256 da2292a4414b522ea769a560959d23130b04ffc22e50f8a4f2ad2d766260654f
Tags
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

da2292a4414b522ea769a560959d23130b04ffc22e50f8a4f2ad2d766260654f

Threat Level: Known bad

The file 2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 23:09

Signatures

Detection of CryptoLocker Variants

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 23:09

Reported

2024-06-02 23:12

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp

Files

memory/1416-0-0x0000000008000000-0x000000000800D000-memory.dmp

memory/1416-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

memory/1416-2-0x0000000003050000-0x0000000003056000-memory.dmp

memory/1416-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

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

MD5 e786e06e46b552c28aef133d754dab01
SHA1 cd6892debbc8c19ca82687b08dcc977741c83cd7
SHA256 68b66e8a4b89b8c9c2f3d1e0bc24134e1776280f61a50a3ec759bf01968cc75e
SHA512 7e0c0f0c53c46d202baa7c9608f837cd687a2f3b2e9ee9bf23de15bf6a84e54b40e3d7c5e5e7d4c95f775ae71c8a4874ecde9e820d63f9bcc7a6630020636095

memory/116-17-0x0000000008000000-0x000000000800D000-memory.dmp

memory/1416-18-0x0000000008000000-0x000000000800D000-memory.dmp

memory/116-20-0x0000000003150000-0x0000000003156000-memory.dmp

memory/116-26-0x0000000008000000-0x000000000800D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 23:09

Reported

2024-06-02 23:12

Platform

win7-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_5b05b179fbc39ae636e3186687ebc46d_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 mytarta.com udp

Files

memory/2228-0-0x0000000008000000-0x000000000800D000-memory.dmp

memory/2228-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

memory/2228-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/2228-9-0x00000000002A0000-0x00000000002A6000-memory.dmp

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

MD5 e786e06e46b552c28aef133d754dab01
SHA1 cd6892debbc8c19ca82687b08dcc977741c83cd7
SHA256 68b66e8a4b89b8c9c2f3d1e0bc24134e1776280f61a50a3ec759bf01968cc75e
SHA512 7e0c0f0c53c46d202baa7c9608f837cd687a2f3b2e9ee9bf23de15bf6a84e54b40e3d7c5e5e7d4c95f775ae71c8a4874ecde9e820d63f9bcc7a6630020636095

memory/2840-16-0x0000000008000000-0x000000000800D000-memory.dmp

memory/2228-15-0x0000000008000000-0x000000000800D000-memory.dmp

memory/2840-25-0x0000000008000000-0x000000000800D000-memory.dmp