Malware Analysis Report

2025-04-03 19:52

Sample ID 241109-xcbbpazdne
Target 2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker
SHA256 cbb35d71615c32dc48eac38bbe8351d00482248d6d36952379b86a2e557821d1
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

cbb35d71615c32dc48eac38bbe8351d00482248d6d36952379b86a2e557821d1

Threat Level: Shows suspicious behavior

The file 2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 18:42

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

2024-11-09 18:42

Reported

2024-11-09 18:44

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 52.71.57.184:443 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp

Files

memory/3132-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3132-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

memory/3132-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

memory/3132-3-0x0000000002070000-0x0000000002076000-memory.dmp

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

MD5 c7c4d60df3a9ab023c16294f212ca70b
SHA1 bd8ee0b3d26fd2e72e05c37aaa0c8be0c683906b
SHA256 61399ac7c973a8a0e3239d62d8282fdfd3e0e58586bb21d4a2035f9ce058cba2
SHA512 ccb0271c2ba3e5ed84c3a00233228aae5c75aa0d3b2d99d5d5fff6df4afd970eccdc2d0ccc1195e752accd4f4a9920111379318d304f5bee8c9ed90df2c79245

memory/3132-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/5008-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/5008-21-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/5008-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 18:42

Reported

2024-11-09 18:44

Platform

win7-20240903-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_0d46dfbe8baa87263ff60cf12e57b1d7_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 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp

Files

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

memory/2756-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2756-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/2756-9-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 c7c4d60df3a9ab023c16294f212ca70b
SHA1 bd8ee0b3d26fd2e72e05c37aaa0c8be0c683906b
SHA256 61399ac7c973a8a0e3239d62d8282fdfd3e0e58586bb21d4a2035f9ce058cba2
SHA512 ccb0271c2ba3e5ed84c3a00233228aae5c75aa0d3b2d99d5d5fff6df4afd970eccdc2d0ccc1195e752accd4f4a9920111379318d304f5bee8c9ed90df2c79245

memory/2756-15-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2384-18-0x0000000000610000-0x0000000000616000-memory.dmp

memory/2384-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2384-26-0x0000000000500000-0x0000000000510000-memory.dmp