Malware Analysis Report

2024-10-19 08:26

Sample ID 240125-wbegaabhh9
Target 2024-01-25_2a19eede904690a3381a9cf82e1745b3_cryptolocker
SHA256 43030d71b82db253e26877eacdc6547dca5b4f8dba8dc794161cbeb30150b23f
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

43030d71b82db253e26877eacdc6547dca5b4f8dba8dc794161cbeb30150b23f

Threat Level: Known bad

The file 2024-01-25_2a19eede904690a3381a9cf82e1745b3_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

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 17:44

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 17:44

Reported

2024-01-25 17:47

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_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

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

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_2a19eede904690a3381a9cf82e1745b3_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_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 3.140.13.188:443 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
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/2440-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2440-1-0x0000000000250000-0x0000000000256000-memory.dmp

memory/2440-2-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2440-9-0x0000000000250000-0x0000000000256000-memory.dmp

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

MD5 ca1c45ce8579fcf36e3f3d5b4322038b
SHA1 b954e6143c70340f330180883f5bcdb3d6c7ddb5
SHA256 a056500731131b8c009812b32453e2f4f50a969ff02ad8625d5ef275a3db130d
SHA512 2ca91fa2ba98a3f358bf4eb7c887c2bac3ac04afaa17659ef117ae8636b70edec9c00f620326e9c2cb9c1f9bea7a6d5b367055fcb5d23157fe5ee138d3240502

memory/2440-15-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2656-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2656-19-0x0000000000290000-0x0000000000296000-memory.dmp

memory/2656-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:44

Reported

2024-01-25 17:47

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_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_2a19eede904690a3381a9cf82e1745b3_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a19eede904690a3381a9cf82e1745b3_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 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.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
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

Files

memory/2772-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2772-2-0x00000000007F0000-0x00000000007F6000-memory.dmp

memory/2772-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

memory/2772-3-0x0000000002240000-0x0000000002246000-memory.dmp

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

MD5 ca1c45ce8579fcf36e3f3d5b4322038b
SHA1 b954e6143c70340f330180883f5bcdb3d6c7ddb5
SHA256 a056500731131b8c009812b32453e2f4f50a969ff02ad8625d5ef275a3db130d
SHA512 2ca91fa2ba98a3f358bf4eb7c887c2bac3ac04afaa17659ef117ae8636b70edec9c00f620326e9c2cb9c1f9bea7a6d5b367055fcb5d23157fe5ee138d3240502

memory/2832-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/2772-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2832-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2832-17-0x0000000000500000-0x000000000050F000-memory.dmp