Malware Analysis Report

2025-01-18 14:38

Sample ID 240613-edqhwsxanr
Target 2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker
SHA256 a71f2d4f96bb953764ecd54f8fa5698556505915d3df523974e72ceea1def66c
Tags
upx
score
10/10

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
10/10

SHA256

a71f2d4f96bb953764ecd54f8fa5698556505915d3df523974e72ceea1def66c

Threat Level: Known bad

The file 2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker was found to be: Known bad.

Malicious Activity Summary

upx

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Loads dropped DLL

Executes dropped EXE

UPX packed file

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:49

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

UPX dump on OEP (original entry point)

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

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

2024-06-13 03:49

Reported

2024-06-13 03:52

Platform

win7-20240221-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

UPX dump on OEP (original entry point)

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

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\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_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 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
US 54.161.222.85:443 emrlogistics.com tcp

Files

memory/2252-0-0x0000000000250000-0x0000000000256000-memory.dmp

memory/2252-9-0x0000000000250000-0x0000000000256000-memory.dmp

memory/2252-8-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2252-1-0x0000000000490000-0x0000000000496000-memory.dmp

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

MD5 f275848dd586001c0b92cd292f0cfc85
SHA1 f2ea166df1c2ff3758a521763ef11b22290b0db4
SHA256 1db90d8ffbad3913c1f8b3df5f941191dd85141e46a9645c676dd488de6a620b
SHA512 2fe594ed6182732a370bfaa1ef6c9c57f1f5f707b1247ec0ddcd2777b8d475b743b68d9f5c157cc51e3015dc8ed3c8876bf5cbbd3501071a5fe4fe9169e2b226

memory/2252-13-0x0000000002A80000-0x0000000002A90000-memory.dmp

memory/2544-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2544-24-0x0000000000210000-0x0000000000216000-memory.dmp

memory/2544-25-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:49

Reported

2024-06-13 03:52

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

UPX dump on OEP (original entry point)

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_beda9efbb429183bb17cd7fa374a87ad_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 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/3668-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3668-1-0x0000000000520000-0x0000000000526000-memory.dmp

memory/3668-2-0x0000000002070000-0x0000000002076000-memory.dmp

memory/3668-9-0x0000000000520000-0x0000000000526000-memory.dmp

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

MD5 f275848dd586001c0b92cd292f0cfc85
SHA1 f2ea166df1c2ff3758a521763ef11b22290b0db4
SHA256 1db90d8ffbad3913c1f8b3df5f941191dd85141e46a9645c676dd488de6a620b
SHA512 2fe594ed6182732a370bfaa1ef6c9c57f1f5f707b1247ec0ddcd2777b8d475b743b68d9f5c157cc51e3015dc8ed3c8876bf5cbbd3501071a5fe4fe9169e2b226

memory/2508-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3668-19-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2508-20-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/2508-26-0x0000000000500000-0x0000000000510000-memory.dmp