Malware Analysis Report

2024-10-19 08:28

Sample ID 240125-v7n5xscgcp
Target 2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker
SHA256 01106d5ec49f56920729252a625cb7787347acb63963b2c52efb07375962d9fa
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

01106d5ec49f56920729252a625cb7787347acb63963b2c52efb07375962d9fa

Threat Level: Known bad

The file 2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:38

Signatures

Detection of CryptoLocker Variants

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 17:38

Reported

2024-01-25 17:40

Platform

win7-20231215-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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\lossy.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2ndry.com udp

Files

memory/1044-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1044-1-0x0000000000200000-0x0000000000206000-memory.dmp

memory/1044-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 e0e09e420f9741109fe214abe645e81e
SHA1 f5fe3cbcde0ae485ef8aeef7f898e24d046ec44c
SHA256 fb27a51a078b152fa7089b17e629716db103e8371f95ce618d3dbe1b30c7ce1a
SHA512 d8507a96717a9961bd0d587a3be5c661975605b4abad5af0f32250bf84fe904ee69600ca21248d4c909f7033e8678948690835989271704625ed89ed02247cec

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:38

Reported

2024-01-25 17:40

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe"

Signatures

Kinsing

loader kinsing

Detection of CryptoLocker Variants

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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\lossy.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d4c650239bc932a6eb4b40430175ad77_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp

Files

memory/412-0-0x0000000002300000-0x0000000002306000-memory.dmp

memory/412-1-0x0000000002300000-0x0000000002306000-memory.dmp

memory/412-2-0x0000000002180000-0x0000000002186000-memory.dmp

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

MD5 e0e09e420f9741109fe214abe645e81e
SHA1 f5fe3cbcde0ae485ef8aeef7f898e24d046ec44c
SHA256 fb27a51a078b152fa7089b17e629716db103e8371f95ce618d3dbe1b30c7ce1a
SHA512 d8507a96717a9961bd0d587a3be5c661975605b4abad5af0f32250bf84fe904ee69600ca21248d4c909f7033e8678948690835989271704625ed89ed02247cec

memory/4800-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/4800-20-0x00000000006A0000-0x00000000006A6000-memory.dmp