Malware Analysis Report

2025-01-18 13:20

Sample ID 240613-d13ajawerk
Target 2024-06-13_3470383374543cd7a580e90debbcc222_cryptolocker
SHA256 ee15044c2b764a9740eaad440358e41e3b7685213abbd21c18574ca2b8ed235d
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

ee15044c2b764a9740eaad440358e41e3b7685213abbd21c18574ca2b8ed235d

Threat Level: Known bad

The file 2024-06-13_3470383374543cd7a580e90debbcc222_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 Variants

Detection of Cryptolocker Samples

UPX dump on OEP (original entry point)

UPX packed file

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:29

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

Detection of Cryptolocker Samples

Description Indicator Process Target
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

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: behavioral1

Detonation Overview

Submitted

2024-06-13 03:29

Reported

2024-06-13 03:31

Platform

win7-20240611-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_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

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_3470383374543cd7a580e90debbcc222_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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_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 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
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 3.140.13.188:443 emrlogistics.com tcp

Files

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

memory/2384-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2384-2-0x0000000000600000-0x0000000000606000-memory.dmp

memory/2384-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 2fab3bb7350b37c8c9712d93642268b3
SHA1 cf43a5fa6cf80e2bc679b7e4792f43e7093a9690
SHA256 54f0ece317b1eaa90130b6d9736a4bf626419d94d52c6d73737bd0940c093801
SHA512 65e48cceb37cd83829ae675162911c04b62b7cd4841cac852ad1591986e3dfb2cb4c7aff1b906b30a535aa58762acf3f1a2a44fbd799eb1cd3b4218f972026e3

memory/2384-13-0x0000000001D60000-0x0000000001D70000-memory.dmp

memory/2384-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2412-19-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2412-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2412-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:29

Reported

2024-06-13 03:31

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3470383374543cd7a580e90debbcc222_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/4992-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/4992-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/4992-2-0x0000000002070000-0x0000000002076000-memory.dmp

memory/4992-9-0x00000000007B0000-0x00000000007B6000-memory.dmp

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

MD5 2fab3bb7350b37c8c9712d93642268b3
SHA1 cf43a5fa6cf80e2bc679b7e4792f43e7093a9690
SHA256 54f0ece317b1eaa90130b6d9736a4bf626419d94d52c6d73737bd0940c093801
SHA512 65e48cceb37cd83829ae675162911c04b62b7cd4841cac852ad1591986e3dfb2cb4c7aff1b906b30a535aa58762acf3f1a2a44fbd799eb1cd3b4218f972026e3

memory/4992-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/4964-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/4964-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4964-26-0x0000000000500000-0x0000000000510000-memory.dmp