Malware Analysis Report

2024-10-23 21:15

Sample ID 240125-v6d9bscfhp
Target 2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker
SHA256 23e7e67d8b187e9ff6655784b0adb1af5a43ee629ff962c3ab32b270af690f09
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

23e7e67d8b187e9ff6655784b0adb1af5a43ee629ff962c3ab32b270af690f09

Threat Level: Known bad

The file 2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Kinsing

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Executes dropped EXE

Loads dropped DLL

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 17:35

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 17:35

Reported

2024-01-25 17:38

Platform

win7-20231215-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_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

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_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_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 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
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
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/2312-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2312-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2312-2-0x0000000000290000-0x0000000000296000-memory.dmp

memory/2312-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 807de70980278fc41e27e178d258553b
SHA1 0872d173fa3edd938b5352180fe1f722f4cb8b90
SHA256 ba80b5bb3ad1c57ad907d207b4625c1fea90f8c0cc3cb06c2b6088380539606f
SHA512 66330fc76322656dfacb990f2f270437608b599b27c9d26b5bb6681c1e9f7dd6df6ceaea0c6d71ba0d4d360784abcea1e8667cc33ec1a498e47bdc2ea6486cfe

memory/2312-13-0x0000000002700000-0x000000000270B000-memory.dmp

memory/2720-17-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2312-15-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2720-19-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2720-21-0x0000000000320000-0x0000000000326000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:35

Reported

2024-01-25 17:38

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe"

Signatures

Kinsing

loader kinsing

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

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

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_b16c8a918fca6c8fed9d088a882caa03_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_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 130.109.69.13.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/1872-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/1872-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/1872-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/1872-3-0x0000000000660000-0x0000000000666000-memory.dmp

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

MD5 807de70980278fc41e27e178d258553b
SHA1 0872d173fa3edd938b5352180fe1f722f4cb8b90
SHA256 ba80b5bb3ad1c57ad907d207b4625c1fea90f8c0cc3cb06c2b6088380539606f
SHA512 66330fc76322656dfacb990f2f270437608b599b27c9d26b5bb6681c1e9f7dd6df6ceaea0c6d71ba0d4d360784abcea1e8667cc33ec1a498e47bdc2ea6486cfe

memory/1872-17-0x0000000000500000-0x000000000050B000-memory.dmp

memory/4120-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/4120-21-0x00000000004D0000-0x00000000004D6000-memory.dmp