Malware Analysis Report

2024-10-19 08:28

Sample ID 240125-v8xhpacgfl
Target 2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker
SHA256 2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d
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

2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d

Threat Level: Known bad

The file 2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_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

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:40

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 17:40

Reported

2024-01-25 17:42

Platform

win7-20231215-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_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_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_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/1720-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/1720-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

memory/1720-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

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

MD5 00d0896f61905c313b56bb573a4dc8db
SHA1 d43ca8df3a98f2a1842e6d2e4f9222c172d650fc
SHA256 4fd2ae8afb3069f8e5ed35319f444c359d55f2f69028e44be4b965b1603955f1
SHA512 7a5a2f1939adce6fe011f1be69953ae7e3cbbe89300e2712a992c68672c5ce6eaa71201dcd238c11f19c81e9410232766101c89c71acf2a1d902b03cb0203366

memory/2160-15-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2160-17-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:40

Reported

2024-01-25 17:42

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_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_e7ce3e59b8de1c6a2ef795c932db91b2_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_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_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 34.205.242.146:443 emrlogistics.com 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 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 34.205.242.146:443 emrlogistics.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp

Files

memory/3800-0-0x0000000002210000-0x0000000002216000-memory.dmp

memory/3800-1-0x0000000002210000-0x0000000002216000-memory.dmp

memory/3800-2-0x0000000002230000-0x0000000002236000-memory.dmp

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

MD5 00d0896f61905c313b56bb573a4dc8db
SHA1 d43ca8df3a98f2a1842e6d2e4f9222c172d650fc
SHA256 4fd2ae8afb3069f8e5ed35319f444c359d55f2f69028e44be4b965b1603955f1
SHA512 7a5a2f1939adce6fe011f1be69953ae7e3cbbe89300e2712a992c68672c5ce6eaa71201dcd238c11f19c81e9410232766101c89c71acf2a1d902b03cb0203366

memory/468-19-0x0000000000530000-0x0000000000536000-memory.dmp

memory/468-17-0x0000000001F30000-0x0000000001F36000-memory.dmp