Malware Analysis Report

2025-04-14 03:46

Sample ID 240612-xf7t3awbjd
Target 2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker
SHA256 dea9b22a98b225868f7c2f9461255f05ab1a8c0cdc449a25448faadacaa6447a
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

dea9b22a98b225868f7c2f9461255f05ab1a8c0cdc449a25448faadacaa6447a

Threat Level: Known bad

The file 2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 18:48

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

2024-06-12 18:48

Reported

2024-06-12 18:51

Platform

win7-20240221-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe"

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 emrlogistics.com udp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/2232-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2232-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2232-1-0x0000000000210000-0x0000000000216000-memory.dmp

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

MD5 5a0f0834f0552467c9ca89c6e3ff4f45
SHA1 bf83c9eaa66f2f8f21196b4cc705b83f3294eddc
SHA256 6265cdad19b6c0bb43884aad86c36c56ca636897239c1ef72704662c6ba2bc7d
SHA512 536c06f809a10121d38e80493c4cf192ff5e5dcf63aa23d15fe654bf770f18e2117b8aeb5daca515437f58c0ed959199688bda4e3e71a74299eeeee8e34d82b1

memory/2492-22-0x0000000000440000-0x0000000000446000-memory.dmp

memory/2492-15-0x0000000000480000-0x0000000000486000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 18:48

Reported

2024-06-12 18:51

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe"

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

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\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/3216-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/3216-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

memory/3216-8-0x00000000006B0000-0x00000000006B6000-memory.dmp

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

MD5 5a0f0834f0552467c9ca89c6e3ff4f45
SHA1 bf83c9eaa66f2f8f21196b4cc705b83f3294eddc
SHA256 6265cdad19b6c0bb43884aad86c36c56ca636897239c1ef72704662c6ba2bc7d
SHA512 536c06f809a10121d38e80493c4cf192ff5e5dcf63aa23d15fe654bf770f18e2117b8aeb5daca515437f58c0ed959199688bda4e3e71a74299eeeee8e34d82b1

memory/5032-23-0x0000000000660000-0x0000000000666000-memory.dmp