Malware Analysis Report

2025-06-16 07:30

Sample ID 240602-f23zkacd2z
Target 2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker
SHA256 868045b1eb3aa11dd01ad4e46d7b424782a717475b73abe046953cf583122270
Tags
score
10/10

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
10/10

SHA256

868045b1eb3aa11dd01ad4e46d7b424782a717475b73abe046953cf583122270

Threat Level: Known bad

The file 2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 05:22

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 05:22

Reported

2024-06-02 05:25

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe"

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp

Files

memory/1436-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/1436-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1436-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 d477449fe60aaca20454fa3b9ee9cc95
SHA1 3696fc2b42162cdac71cb43fe04c46f539ff5cc8
SHA256 a814e2acab4a8572dc9c0280f7f4cf3782028daf061bf025bb3f1151f41456e0
SHA512 31b40c535467b11b4540df0bf8369adc947da3f61dfc8a205c88c19dddb80530baf3758ab06f59f8a164317097875e091e8a5074f8c6b3ae87ff8f981aaa8d45

memory/1068-17-0x0000000000750000-0x0000000000756000-memory.dmp

memory/1068-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 05:22

Reported

2024-06-02 05:25

Platform

win7-20240508-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe"

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

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\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_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 3.140.13.188:443 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
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/1284-0-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1284-8-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1284-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

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

MD5 d477449fe60aaca20454fa3b9ee9cc95
SHA1 3696fc2b42162cdac71cb43fe04c46f539ff5cc8
SHA256 a814e2acab4a8572dc9c0280f7f4cf3782028daf061bf025bb3f1151f41456e0
SHA512 31b40c535467b11b4540df0bf8369adc947da3f61dfc8a205c88c19dddb80530baf3758ab06f59f8a164317097875e091e8a5074f8c6b3ae87ff8f981aaa8d45

memory/2340-22-0x0000000000380000-0x0000000000386000-memory.dmp

memory/2340-15-0x00000000004D0000-0x00000000004D6000-memory.dmp