Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-d9btyawgrl
Target 2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_cryptolocker
SHA256 c510bdfe6539ce84500dbaa2792c0e210b030812c497d3c843060b90db873b4d
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

c510bdfe6539ce84500dbaa2792c0e210b030812c497d3c843060b90db873b4d

Threat Level: Known bad

The file 2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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

2024-06-13 03:42

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

2024-06-13 03:42

Reported

2024-06-13 03:44

Platform

win7-20240419-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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 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/2456-0-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2456-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

memory/2456-8-0x0000000000300000-0x0000000000306000-memory.dmp

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

MD5 1a9331699295d46685aaa2ca94baaf32
SHA1 6b68e4af943a63e821c0481b8e6b5386b647295d
SHA256 c72333164303c0435618a6d0798f0b258d804c9f07d59c9b9d6d2cae267412e8
SHA512 ed3952c8422aa8804c2359e250d8baa03abb07f1c5a05ae4994d233ad1c12422198f7b582fc33319175544fb95ab0462646867dc493476a35e2f9894416d6cc0

memory/2852-15-0x0000000000480000-0x0000000000486000-memory.dmp

memory/2852-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:42

Reported

2024-06-13 03:44

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0478e45839a5620a4c3c5f7ee8be84e5_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 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/1856-0-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1856-1-0x0000000002000000-0x0000000002006000-memory.dmp

memory/1856-8-0x0000000001F10000-0x0000000001F16000-memory.dmp

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

MD5 1a9331699295d46685aaa2ca94baaf32
SHA1 6b68e4af943a63e821c0481b8e6b5386b647295d
SHA256 c72333164303c0435618a6d0798f0b258d804c9f07d59c9b9d6d2cae267412e8
SHA512 ed3952c8422aa8804c2359e250d8baa03abb07f1c5a05ae4994d233ad1c12422198f7b582fc33319175544fb95ab0462646867dc493476a35e2f9894416d6cc0

memory/2476-23-0x0000000001F50000-0x0000000001F56000-memory.dmp

memory/2476-17-0x0000000001F70000-0x0000000001F76000-memory.dmp