Malware Analysis Report

2024-10-19 08:29

Sample ID 240125-v8jxlabhb9
Target 2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker
SHA256 1e2a374f545f19b6b22751173a65cd86c8f4e61088c8765a39fa4498d59873a2
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

1e2a374f545f19b6b22751173a65cd86c8f4e61088c8765a39fa4498d59873a2

Threat Level: Known bad

The file 2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Kinsing

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:39

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 17:39

Reported

2024-01-25 17:42

Platform

win7-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_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_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_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 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
US 3.94.41.167:443 emrlogistics.com tcp

Files

memory/804-1-0x0000000000500000-0x000000000050F000-memory.dmp

memory/804-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/804-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

memory/804-9-0x00000000001C0000-0x00000000001C6000-memory.dmp

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

MD5 7ff3f1ab0f2d8c7a9d29f836b4d62351
SHA1 ef9c8fe6ffcc870d0119341f703faae04b754b5a
SHA256 546f40e7acadd5ba22e5164ade314a64125314e019f28928301f5aff7af45cfe
SHA512 1547caca7a897386d02454b3a247875791227df696eb4f48bef681aaac7b4972c8e1e136032b468a2d9ea8f8e1443beccdab942a003e236db682baea9ef5e391

memory/804-13-0x0000000002840000-0x000000000284F000-memory.dmp

memory/804-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/3036-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/3036-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/3036-22-0x0000000000500000-0x000000000050F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:39

Reported

2024-01-25 17:42

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_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
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

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_dfe4ac26d67ee8f3875ce51437e0c467_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_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_dfe4ac26d67ee8f3875ce51437e0c467_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 114.134.221.88.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa 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 8.8.8.8:53 168.117.168.52.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp

Files

memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2500-1-0x0000000000520000-0x0000000000526000-memory.dmp

memory/2500-2-0x0000000000520000-0x0000000000526000-memory.dmp

memory/2500-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

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

MD5 7ff3f1ab0f2d8c7a9d29f836b4d62351
SHA1 ef9c8fe6ffcc870d0119341f703faae04b754b5a
SHA256 546f40e7acadd5ba22e5164ade314a64125314e019f28928301f5aff7af45cfe
SHA512 1547caca7a897386d02454b3a247875791227df696eb4f48bef681aaac7b4972c8e1e136032b468a2d9ea8f8e1443beccdab942a003e236db682baea9ef5e391

memory/4928-17-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2500-19-0x0000000000500000-0x000000000050F000-memory.dmp

memory/4928-20-0x0000000002070000-0x0000000002076000-memory.dmp

memory/4928-22-0x0000000002050000-0x0000000002056000-memory.dmp