Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-d4sv9swfpn
Target 2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker
SHA256 3e6a62704e7afa1bed653f7720294f7bb311b54fdfaceec5323fc83af8a4b05a
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

3e6a62704e7afa1bed653f7720294f7bb311b54fdfaceec5323fc83af8a4b05a

Threat Level: Known bad

The file 2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:34

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 03:34

Reported

2024-06-13 03:36

Platform

win7-20240220-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_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\hasfj.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 mytarta.com udp

Files

memory/2184-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/2184-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/2184-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

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

MD5 67901f68f6f46834da58f004adc16f41
SHA1 a85f940fd2f18518f3684f51550c0613a7955f50
SHA256 6d50f970c2d685be809f391b310a1d2707c3fabf601237105e1653d7dbdfcfe7
SHA512 cb4c83efbf9ed26922322629e616ea2ac63be791920e6fcb589fddaae2b6647d74ecb01982cc7f41dd190b2bad5777821e810a78d67a920e5f777b8820671de6

memory/2744-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:34

Reported

2024-06-13 03:36

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d723006c9363a20ebe847e0cfb0c5ab_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp
US 8.8.8.8:53 mytarta.com udp

Files

memory/436-0-0x0000000002250000-0x0000000002256000-memory.dmp

memory/436-1-0x0000000003150000-0x0000000003156000-memory.dmp

memory/436-8-0x0000000002250000-0x0000000002256000-memory.dmp

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

MD5 67901f68f6f46834da58f004adc16f41
SHA1 a85f940fd2f18518f3684f51550c0613a7955f50
SHA256 6d50f970c2d685be809f391b310a1d2707c3fabf601237105e1653d7dbdfcfe7
SHA512 cb4c83efbf9ed26922322629e616ea2ac63be791920e6fcb589fddaae2b6647d74ecb01982cc7f41dd190b2bad5777821e810a78d67a920e5f777b8820671de6

memory/4384-23-0x0000000002180000-0x0000000002186000-memory.dmp