Malware Analysis Report

2024-10-19 08:27

Sample ID 240125-v42xlscfen
Target 2024-01-25_95ee53b6ece64b988d7dd1874ed28094_cryptolocker
SHA256 2a7ebd822999ee3d8603461679b5f8ae69add72355e8d3e54a21538d5b2e9b3d
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

2a7ebd822999ee3d8603461679b5f8ae69add72355e8d3e54a21538d5b2e9b3d

Threat Level: Known bad

The file 2024-01-25_95ee53b6ece64b988d7dd1874ed28094_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

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 17:33

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 17:33

Reported

2024-01-25 17:36

Platform

win7-20231215-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_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_95ee53b6ece64b988d7dd1874ed28094_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_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 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
US 3.140.13.188:443 emrlogistics.com tcp

Files

memory/2664-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2664-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2664-2-0x0000000000610000-0x0000000000616000-memory.dmp

memory/2664-4-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2664-16-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2084-17-0x0000000000500000-0x000000000050B000-memory.dmp

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

MD5 012118ea313f71797ee301da5c9feebe
SHA1 923da2abff53dccdbf6b741e17f58213eed4bc58
SHA256 0ce648058bedc42c5544fc454762f0cf086bebf5b29097d96321ad559ba0eca6
SHA512 ec389b4ce30343b22f1da391eebc0fce2af1ef6701e9a7cff7d28e05363318f4ba9d1cb3459bbeb83888763afe853ef1aca44034d7a4324f249deb7aefe0dfb1

memory/2664-13-0x0000000001E60000-0x0000000001E6B000-memory.dmp

memory/2084-19-0x0000000000290000-0x0000000000296000-memory.dmp

memory/2084-21-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:33

Reported

2024-01-25 17:36

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_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_95ee53b6ece64b988d7dd1874ed28094_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_95ee53b6ece64b988d7dd1874ed28094_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 145.71.91.104.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 13.73.50.20.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp

Files

memory/4468-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/4468-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/4468-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/4468-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

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

MD5 012118ea313f71797ee301da5c9feebe
SHA1 923da2abff53dccdbf6b741e17f58213eed4bc58
SHA256 0ce648058bedc42c5544fc454762f0cf086bebf5b29097d96321ad559ba0eca6
SHA512 ec389b4ce30343b22f1da391eebc0fce2af1ef6701e9a7cff7d28e05363318f4ba9d1cb3459bbeb83888763afe853ef1aca44034d7a4324f249deb7aefe0dfb1

memory/4468-17-0x0000000000500000-0x000000000050B000-memory.dmp