Malware Analysis Report

2025-01-18 13:58

Sample ID 240613-dyh4wawejj
Target 2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker
SHA256 1dd0eca88952a201741800793e7dda246b83e8420d35327ee015719b79841996
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

1dd0eca88952a201741800793e7dda246b83e8420d35327ee015719b79841996

Threat Level: Known bad

The file 2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_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

Unsigned PE

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:24

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 03:24

Reported

2024-06-13 03:27

Platform

win7-20240221-en

Max time kernel

12s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_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\retln.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 storage-cabinets.info udp

Files

memory/2232-0-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2232-8-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2232-1-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 6238a9baf51ed3bd7e7e644b9668f19c
SHA1 88c44eb96cab0c714b6a8b0735637d70be1a1258
SHA256 e110e6c084185c83ab9e66780ddad55c98f98c4f8df5a993aa9e310a99de43df
SHA512 ebcd52687055fc9620180cc2db61e73b3ad245ff6ef38ff944e38899909d161de3597e0cb9423171feea45fd27aad8b8e12f58be20f8c0173823d74ff6e101a6

memory/2532-23-0x0000000000340000-0x0000000000346000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:24

Reported

2024-06-13 03:27

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0c02ea918ebde62d81a87ed0ebe6acee_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp
US 8.8.8.8:53 storage-cabinets.info udp

Files

memory/2140-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

memory/2140-1-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2140-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

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

MD5 6238a9baf51ed3bd7e7e644b9668f19c
SHA1 88c44eb96cab0c714b6a8b0735637d70be1a1258
SHA256 e110e6c084185c83ab9e66780ddad55c98f98c4f8df5a993aa9e310a99de43df
SHA512 ebcd52687055fc9620180cc2db61e73b3ad245ff6ef38ff944e38899909d161de3597e0cb9423171feea45fd27aad8b8e12f58be20f8c0173823d74ff6e101a6

memory/1776-25-0x00000000005E0000-0x00000000005E6000-memory.dmp