Malware Analysis Report

2025-01-18 02:36

Sample ID 240125-s18vmsagek
Target 2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker
SHA256 b67696be44854032ae60560af45d0011ef103ec142b79ed955ac63e910857cbe
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

b67696be44854032ae60560af45d0011ef103ec142b79ed955ac63e910857cbe

Threat Level: Known bad

The file 2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of Cryptolocker Samples

Kinsing

Detection of CryptoLocker Variants

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 15:36

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 15:36

Reported

2024-01-25 15:39

Platform

win7-20231215-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp

Files

memory/1992-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/1992-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/1992-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

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

MD5 bfe05d15695ce9d9a497999046375769
SHA1 9829458bea44d9ec6f942bf42b63afcf16f9bb75
SHA256 69c7d5d9cda65c9668c1654f259e62bc2a47b31a96d50e710e46a041e56da253
SHA512 85b5fc14f03dbf1d851316e4cd7b0d3b33564bfdcae4bff70dd745de5c6a9ddf7681bdd0e5dc6ce64487ccb6392337bd54f90ff0211a593baff8bcd057f96257

memory/2696-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/2696-16-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 15:36

Reported

2024-01-25 15:39

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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_6ae29102bfd181035d4097c3bcb00a76_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_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 4.181.190.20.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 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa 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

Files

memory/4792-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4792-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4792-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 bfe05d15695ce9d9a497999046375769
SHA1 9829458bea44d9ec6f942bf42b63afcf16f9bb75
SHA256 69c7d5d9cda65c9668c1654f259e62bc2a47b31a96d50e710e46a041e56da253
SHA512 85b5fc14f03dbf1d851316e4cd7b0d3b33564bfdcae4bff70dd745de5c6a9ddf7681bdd0e5dc6ce64487ccb6392337bd54f90ff0211a593baff8bcd057f96257