Malware Analysis Report

2025-08-06 01:19

Sample ID 241107-shw35atnet
Target 2024-11-07_f15cf2306760758167e2eed8c6116665_cryptolocker
SHA256 406165c387b84a954694e994f2526d4303a6b616aca410dd6677509aad604a83
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

406165c387b84a954694e994f2526d4303a6b616aca410dd6677509aad604a83

Threat Level: Shows suspicious behavior

The file 2024-11-07_f15cf2306760758167e2eed8c6116665_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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 15:08

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

2024-11-07 15:08

Reported

2024-11-07 15:10

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_f15cf2306760758167e2eed8c6116665_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\2024-11-07_f15cf2306760758167e2eed8c6116665_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\2024-11-07_f15cf2306760758167e2eed8c6116665_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\2024-11-07_f15cf2306760758167e2eed8c6116665_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_f15cf2306760758167e2eed8c6116665_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 18.119.154.66:443 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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
SE 192.229.221.95:80 tcp

Files

memory/4924-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/4924-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4924-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4924-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 625473ac45dc8c9b4889bf268029b2cf
SHA1 0a8259ff8ddad78f54e2facad10631c138e5db6b
SHA256 2c1686aecb9739d7f123de276cbe3dcf7f3b398fb845df3e4a4605be8ef3b6d5
SHA512 cd8cf418572a4113857585ed6b0d9996e94339e4a6af2646de582ccee06357cc0c40c83279c5a2f1d69755f788d40078e00daeec992b06609aaad656341fbf3e

memory/4924-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2656-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/2656-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/2656-26-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 15:08

Reported

2024-11-07 15:10

Platform

win7-20241010-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_f15cf2306760758167e2eed8c6116665_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\2024-11-07_f15cf2306760758167e2eed8c6116665_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

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\2024-11-07_f15cf2306760758167e2eed8c6116665_cryptolocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-07_f15cf2306760758167e2eed8c6116665_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_f15cf2306760758167e2eed8c6116665_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/2256-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2256-9-0x0000000000420000-0x0000000000426000-memory.dmp

memory/2256-2-0x0000000000450000-0x0000000000456000-memory.dmp

memory/2256-1-0x0000000000420000-0x0000000000426000-memory.dmp

memory/2256-15-0x0000000001EB0000-0x0000000001EC0000-memory.dmp

memory/2256-16-0x0000000000500000-0x0000000000510000-memory.dmp

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

MD5 625473ac45dc8c9b4889bf268029b2cf
SHA1 0a8259ff8ddad78f54e2facad10631c138e5db6b
SHA256 2c1686aecb9739d7f123de276cbe3dcf7f3b398fb845df3e4a4605be8ef3b6d5
SHA512 cd8cf418572a4113857585ed6b0d9996e94339e4a6af2646de582ccee06357cc0c40c83279c5a2f1d69755f788d40078e00daeec992b06609aaad656341fbf3e

memory/2472-18-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2472-19-0x00000000003E0000-0x00000000003E6000-memory.dmp

memory/2472-26-0x0000000000500000-0x0000000000510000-memory.dmp