Malware Analysis Report

2024-10-19 08:30

Sample ID 240125-v949xsbhf6
Target 2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker
SHA256 3c07283e8d6141eefda2255d0a7b77f45b167e5af4b935bf6a9887b42bbb5512
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

3c07283e8d6141eefda2255d0a7b77f45b167e5af4b935bf6a9887b42bbb5512

Threat Level: Known bad

The file 2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Detection of Cryptolocker Samples

Kinsing

Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:42

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 17:42

Reported

2024-01-25 17:44

Platform

win7-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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 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

Files

memory/3060-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

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

MD5 ed9e99557f3c1338b06c7840396c9489
SHA1 72b3529ec5d7f1266225bd393466d35665c10467
SHA256 e627caaf8acffcc1b6b200a2f47af86a58d71e064a79e3affc92a02c73df09a5
SHA512 e2702c2f9a79ee0ca8c1db6adb9826bef68e51a514bb586886211653b9ee5ca3f2be4741a24a6bdf30c84b41be32d4cc407e64465f21134434a92c275e13adec

memory/2928-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2928-15-0x0000000000290000-0x0000000000296000-memory.dmp

memory/3060-8-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/3060-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:42

Reported

2024-01-25 17:45

Platform

win10v2004-20231215-en

Max time kernel

151s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
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 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

memory/5024-0-0x0000000000620000-0x0000000000626000-memory.dmp

memory/5024-1-0x0000000000620000-0x0000000000626000-memory.dmp

memory/5024-2-0x0000000000750000-0x0000000000756000-memory.dmp

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

MD5 ed9e99557f3c1338b06c7840396c9489
SHA1 72b3529ec5d7f1266225bd393466d35665c10467
SHA256 e627caaf8acffcc1b6b200a2f47af86a58d71e064a79e3affc92a02c73df09a5
SHA512 e2702c2f9a79ee0ca8c1db6adb9826bef68e51a514bb586886211653b9ee5ca3f2be4741a24a6bdf30c84b41be32d4cc407e64465f21134434a92c275e13adec

memory/2872-17-0x0000000000730000-0x0000000000736000-memory.dmp