Malware Analysis Report

2025-08-05 16:30

Sample ID 240611-dx6hsasdkf
Target 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker
SHA256 4ae1bf9cd39bf5a99b5dad13f8caf8dd2de4559f014bd5cdc032e57da5fa944e
Tags
score
10/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4ae1bf9cd39bf5a99b5dad13f8caf8dd2de4559f014bd5cdc032e57da5fa944e

Threat Level: Known bad

The file 2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 03:24

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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: behavioral1

Detonation Overview

Submitted

2024-06-11 03:24

Reported

2024-06-11 03:26

Platform

win7-20240508-en

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_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

Detection of Cryptolocker Samples

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.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 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp

Files

memory/1700-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/1700-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1700-2-0x0000000000340000-0x0000000000346000-memory.dmp

memory/1700-9-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 fa5ae00c6e411f892e02e2448a15ac46
SHA1 1a4105913d34d1a478d76af96109e7c33b9fae55
SHA256 b30d55a923f69cbd13ed267d55f310c3f9936478c1cc5a716ed79b47a9427d21
SHA512 d5c51bff4126dea8be3cb6b7c8152fd2ef58e967fda636ac1baba0663278e9c5127c5b15931a8b75178b1ccac020b71d2eac54cff777d5fe14cef612debce6ea

memory/1700-15-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2068-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2068-25-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2068-24-0x0000000000380000-0x0000000000386000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 03:24

Reported

2024-06-11 03:26

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_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

Detection of Cryptolocker Samples

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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.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 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/3928-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/3928-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3928-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3928-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 fa5ae00c6e411f892e02e2448a15ac46
SHA1 1a4105913d34d1a478d76af96109e7c33b9fae55
SHA256 b30d55a923f69cbd13ed267d55f310c3f9936478c1cc5a716ed79b47a9427d21
SHA512 d5c51bff4126dea8be3cb6b7c8152fd2ef58e967fda636ac1baba0663278e9c5127c5b15931a8b75178b1ccac020b71d2eac54cff777d5fe14cef612debce6ea

memory/3928-17-0x0000000000500000-0x000000000050B000-memory.dmp

memory/3468-18-0x0000000000500000-0x000000000050B000-memory.dmp

memory/3468-26-0x0000000000500000-0x000000000050B000-memory.dmp