Malware Analysis Report

2025-04-03 19:48

Sample ID 241110-hfhsls1gpp
Target 2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker
SHA256 c9f320f44b60f8a435958bfe08f12007bb2e4686d348fce3c209201c86866f8e
Tags
upx discovery
score
7/10

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
7/10

SHA256

c9f320f44b60f8a435958bfe08f12007bb2e4686d348fce3c209201c86866f8e

Threat Level: Shows suspicious behavior

The file 2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 06:40

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 06:40

Reported

2024-11-10 06:43

Platform

win7-20240903-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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_8c05a4dc0206acd072b0d926c03cc06e_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
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\asih.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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 3.18.7.81:443 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
US 3.19.116.195:443 emrlogistics.com tcp

Files

memory/2824-0-0x0000000000500000-0x000000000050F311-memory.dmp

memory/2824-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2824-2-0x0000000000480000-0x0000000000486000-memory.dmp

memory/2824-9-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 6d58046727b12ca6b625e0c0c707276d
SHA1 da956a7d15a5954b76fae4a02c675e4a067a1deb
SHA256 22e77bf48278a0888229ab45c3f2b7104d3b3fca4e14a5b8e0504aca217bf549
SHA512 a4c7a78ecd456480759ffa7f61e600f2e84c9dbe5ce3b2434f913020a5a40ad59cb589c4555293e7fb5fe40d7daf4655395e8ca3e0c3a29b836c98031ae4de14

memory/2824-12-0x00000000006E0000-0x00000000006F0000-memory.dmp

memory/2824-16-0x0000000000500000-0x000000000050F311-memory.dmp

memory/2800-18-0x0000000000330000-0x0000000000336000-memory.dmp

memory/2800-19-0x0000000000470000-0x0000000000476000-memory.dmp

memory/2800-26-0x0000000000500000-0x000000000050F311-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 06:40

Reported

2024-11-10 06:43

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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_8c05a4dc0206acd072b0d926c03cc06e_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_8c05a4dc0206acd072b0d926c03cc06e_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_8c05a4dc0206acd072b0d926c03cc06e_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa 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

Files

memory/5052-0-0x0000000000500000-0x000000000050F311-memory.dmp

memory/5052-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/5052-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/5052-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

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

MD5 6d58046727b12ca6b625e0c0c707276d
SHA1 da956a7d15a5954b76fae4a02c675e4a067a1deb
SHA256 22e77bf48278a0888229ab45c3f2b7104d3b3fca4e14a5b8e0504aca217bf549
SHA512 a4c7a78ecd456480759ffa7f61e600f2e84c9dbe5ce3b2434f913020a5a40ad59cb589c4555293e7fb5fe40d7daf4655395e8ca3e0c3a29b836c98031ae4de14

memory/5052-17-0x0000000000500000-0x000000000050F311-memory.dmp

memory/1012-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/1012-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1012-26-0x0000000000500000-0x000000000050F311-memory.dmp