Malware Analysis Report

2025-04-03 19:47

Sample ID 241110-hpa45avmer
Target 2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_cryptolocker
SHA256 7f7f1775a3521da1a80589540a2b438e61c2265436fe9d56e615eda4902cfbfb
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

7f7f1775a3521da1a80589540a2b438e61c2265436fe9d56e615eda4902cfbfb

Threat Level: Shows suspicious behavior

The file 2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

UPX packed file

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 06:54

Reported

2024-11-10 06:56

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_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
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_f18de9de8a1ca6181b6b460123d77dbb_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_f18de9de8a1ca6181b6b460123d77dbb_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 240.221.184.93.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 11.227.111.52.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/3296-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3296-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/3296-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/3296-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

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

MD5 89a6b47a1ea601c1ac57db4612b444d7
SHA1 e9a514d36b23098c54d9a724e3f628c26486f7f6
SHA256 9770498a4c92cc33944035c0bfa78a5270e773d6a8452991d53f72d7c172c637
SHA512 7c5e57d38d2fbcb20575433326d1b1e98395336d7ea3e2f9b0235e790e3aeb05c17f97f646b5fe05970cd9adc6d1aed9f48fcd7027e47c72691d81fc4448a53d

memory/3596-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3296-19-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3596-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3596-26-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/3596-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 06:54

Reported

2024-11-10 06:56

Platform

win7-20240903-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_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_f18de9de8a1ca6181b6b460123d77dbb_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\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_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_f18de9de8a1ca6181b6b460123d77dbb_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_f18de9de8a1ca6181b6b460123d77dbb_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 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
US 54.161.222.85:443 emrlogistics.com tcp
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/2756-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2756-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/2756-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2756-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 89a6b47a1ea601c1ac57db4612b444d7
SHA1 e9a514d36b23098c54d9a724e3f628c26486f7f6
SHA256 9770498a4c92cc33944035c0bfa78a5270e773d6a8452991d53f72d7c172c637
SHA512 7c5e57d38d2fbcb20575433326d1b1e98395336d7ea3e2f9b0235e790e3aeb05c17f97f646b5fe05970cd9adc6d1aed9f48fcd7027e47c72691d81fc4448a53d

memory/2756-13-0x0000000002840000-0x0000000002850000-memory.dmp

memory/2756-16-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2836-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2836-26-0x0000000000330000-0x0000000000336000-memory.dmp

memory/2836-19-0x0000000000370000-0x0000000000376000-memory.dmp

memory/2836-27-0x0000000000500000-0x0000000000510000-memory.dmp