Malware Analysis Report

2024-10-23 21:16

Sample ID 240125-v7zxesbha8
Target 2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker
SHA256 080dcc93111a9aae10255f9d459556f588c631758196e9d8fc3580d7da9d02a8
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

080dcc93111a9aae10255f9d459556f588c631758196e9d8fc3580d7da9d02a8

Threat Level: Known bad

The file 2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Kinsing

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

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

2024-01-25 17:38

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 17:38

Reported

2024-01-25 17:41

Platform

win7-20231215-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp

Files

memory/2420-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2420-1-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2420-7-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 a8c23f4349e6eada928b74d22e3c1730
SHA1 948e5eec3a35e27bcf98ebf5b1bf40bebfdb98ef
SHA256 d488443db82fe8f77bc17129e34d12e861d788d75de02f817ad9cf656e3cbf11
SHA512 469eee290591456a37f6d7ab768961326da960f1834b7dfd2e8d8463756248dd331fabdf543af4553b391cc36c4a65e428392c19cd16ebd5d407ea645bc3c571

memory/2248-15-0x0000000000380000-0x0000000000386000-memory.dmp

memory/2248-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:38

Reported

2024-01-25 17:41

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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_d8bfcf526204c125175c6464a95a85fc_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_d8bfcf526204c125175c6464a95a85fc_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 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp

Files

memory/4652-0-0x0000000000620000-0x0000000000626000-memory.dmp

memory/4652-1-0x0000000000620000-0x0000000000626000-memory.dmp

memory/4652-2-0x0000000000750000-0x0000000000756000-memory.dmp

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

MD5 a8c23f4349e6eada928b74d22e3c1730
SHA1 948e5eec3a35e27bcf98ebf5b1bf40bebfdb98ef
SHA256 d488443db82fe8f77bc17129e34d12e861d788d75de02f817ad9cf656e3cbf11
SHA512 469eee290591456a37f6d7ab768961326da960f1834b7dfd2e8d8463756248dd331fabdf543af4553b391cc36c4a65e428392c19cd16ebd5d407ea645bc3c571

memory/768-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/768-17-0x00000000006C0000-0x00000000006C6000-memory.dmp