Malware Analysis Report

2024-10-23 22:28

Sample ID 240613-p11bqazalh
Target 2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker
SHA256 dad68d5c20fd940f28a319474cde46444a36cf353b12eecf400730745fa7f763
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

dad68d5c20fd940f28a319474cde46444a36cf353b12eecf400730745fa7f763

Threat Level: Known bad

The file 2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 12:48

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: behavioral1

Detonation Overview

Submitted

2024-06-13 12:48

Reported

2024-06-13 12:51

Platform

win7-20240508-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

Description Indicator Process Target
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\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_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/620-0-0x0000000000420000-0x0000000000426000-memory.dmp

memory/620-1-0x0000000000460000-0x0000000000466000-memory.dmp

memory/620-8-0x0000000000230000-0x0000000000233000-memory.dmp

memory/620-9-0x0000000000420000-0x0000000000426000-memory.dmp

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

MD5 38f8e2281f871a0223d64bdfb51e38b8
SHA1 60b6dd562e0425ddeaac9fe614c84354d44794e3
SHA256 cbbd1a435934bb1caa8b6c9de2ea103e87b7a7646c6a46cadffe252e971ff647
SHA512 1b2852cb346858916c0c772fcc72af1675a9051565589a498e967cc2009e9b78b71f847934d9965d5afffa35bde11b6ffae8e4bd36a6126cf8df52ebaaf83f2d

memory/2568-16-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2568-24-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2568-23-0x0000000000230000-0x0000000000236000-memory.dmp

memory/2568-25-0x0000000000230000-0x0000000000236000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 12:48

Reported

2024-06-13 12:51

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

Description Indicator Process Target
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\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_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\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_d6313f81f3fefe7ba975ee557a9fbfa5_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 52.111.229.48:443 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

Files

memory/1780-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

memory/1780-1-0x0000000000620000-0x0000000000626000-memory.dmp

memory/1780-2-0x0000000000650000-0x0000000000656000-memory.dmp

memory/1780-9-0x0000000000620000-0x0000000000626000-memory.dmp

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

MD5 38f8e2281f871a0223d64bdfb51e38b8
SHA1 60b6dd562e0425ddeaac9fe614c84354d44794e3
SHA256 cbbd1a435934bb1caa8b6c9de2ea103e87b7a7646c6a46cadffe252e971ff647
SHA512 1b2852cb346858916c0c772fcc72af1675a9051565589a498e967cc2009e9b78b71f847934d9965d5afffa35bde11b6ffae8e4bd36a6126cf8df52ebaaf83f2d

memory/1780-16-0x00000000004E0000-0x00000000004E3000-memory.dmp

memory/2348-19-0x0000000000750000-0x0000000000756000-memory.dmp