Malware Analysis Report

2025-04-03 19:47

Sample ID 241110-hpjq9ssamn
Target 2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker
SHA256 648c3627d2187bdcf2995c98cd147b2640783aa61860526c09691f93da570541
Tags
discovery upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

648c3627d2187bdcf2995c98cd147b2640783aa61860526c09691f93da570541

Threat Level: Shows suspicious behavior

The file 2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 06:54

Signatures

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 06:54

Reported

2024-11-10 06:57

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_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 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 34.205.242.146:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.208.201.84.in-addr.arpa udp
US 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp

Files

memory/2424-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2424-1-0x0000000000620000-0x0000000000626000-memory.dmp

memory/2424-2-0x0000000000620000-0x0000000000626000-memory.dmp

memory/2424-3-0x0000000000650000-0x0000000000656000-memory.dmp

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

MD5 0dbdc511560bf70aa445cd75c509a997
SHA1 b759fa5ee54fc7ef034ff05ccce828a6665d3c48
SHA256 cc5c1ac4f7c56ba731d60edf4cebea65978b6e7cda224765916622bdd96d546a
SHA512 080c0e0fee2b316a346d73129baeeb44c16ffc85719c36748e91bad781388f1bb07f4b48c077102d1422a198cdf24d100a21f4a7dc6d4c0edf3b3c8e027915a1

memory/2424-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/4828-20-0x0000000000510000-0x0000000000516000-memory.dmp

memory/4828-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4828-27-0x0000000000500000-0x000000000050F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 06:54

Reported

2024-11-10 06:57

Platform

win7-20241010-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe"

Signatures

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\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f41e7fdc67c790ad153b34139919681a_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 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp

Files

memory/2116-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2116-1-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2116-3-0x0000000000480000-0x0000000000486000-memory.dmp

memory/2116-2-0x0000000000350000-0x0000000000356000-memory.dmp

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

MD5 0dbdc511560bf70aa445cd75c509a997
SHA1 b759fa5ee54fc7ef034ff05ccce828a6665d3c48
SHA256 cc5c1ac4f7c56ba731d60edf4cebea65978b6e7cda224765916622bdd96d546a
SHA512 080c0e0fee2b316a346d73129baeeb44c16ffc85719c36748e91bad781388f1bb07f4b48c077102d1422a198cdf24d100a21f4a7dc6d4c0edf3b3c8e027915a1

memory/2116-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2184-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2184-19-0x0000000000450000-0x0000000000456000-memory.dmp

memory/2184-26-0x0000000000500000-0x000000000050F000-memory.dmp