Malware Analysis Report

2024-10-19 08:28

Sample ID 240125-v8zytacgfn
Target 2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker
SHA256 5c474ad42b81c52eb39151e3fdfd345865c4ee6bb23c16d41d21f65fbf9240af
Tags
kinsing loader
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

5c474ad42b81c52eb39151e3fdfd345865c4ee6bb23c16d41d21f65fbf9240af

Threat Level: Known bad

The file 2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:40

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: behavioral1

Detonation Overview

Submitted

2024-01-25 17:40

Reported

2024-01-25 17:42

Platform

win7-20231129-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_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\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_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/2724-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2724-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2724-2-0x0000000000610000-0x0000000000616000-memory.dmp

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

MD5 55dfbaa67497091ede80f0f4b4c6e9b1
SHA1 d7c7b09bc7745cac5c5a74f6f6fa5a988b5df758
SHA256 1b7b6e712681cd59a0274592318859f484a9a3ec7e190b8a099cf16334f637f7
SHA512 41f94367f21af57e0814dccfa105739d8640242d3e32d29335f7e1e8657fcbce22d1587f5e99d7c246e841f365df1787549394dbb32eee4a83488aaf276c32ed

memory/2364-15-0x0000000000280000-0x0000000000286000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:40

Reported

2024-01-25 17:43

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe"

Signatures

Kinsing

loader kinsing

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_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\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 105.135.221.88.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 173.178.17.96.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 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 131.109.69.13.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/3240-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/3240-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/3240-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

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

MD5 55dfbaa67497091ede80f0f4b4c6e9b1
SHA1 d7c7b09bc7745cac5c5a74f6f6fa5a988b5df758
SHA256 1b7b6e712681cd59a0274592318859f484a9a3ec7e190b8a099cf16334f637f7
SHA512 41f94367f21af57e0814dccfa105739d8640242d3e32d29335f7e1e8657fcbce22d1587f5e99d7c246e841f365df1787549394dbb32eee4a83488aaf276c32ed

memory/4396-17-0x0000000002060000-0x0000000002066000-memory.dmp

memory/4396-21-0x00000000021E0000-0x00000000021E6000-memory.dmp