Malware Analysis Report

2024-10-19 08:27

Sample ID 240125-v442zacfeq
Target 2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker
SHA256 ca256ecb0e7ff2121f9349e15f220b5849e4baafc89b9aef11ca9d80514abcf7
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

ca256ecb0e7ff2121f9349e15f220b5849e4baafc89b9aef11ca9d80514abcf7

Threat Level: Known bad

The file 2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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

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

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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 3.130.204.160:443 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
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/2248-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2248-2-0x0000000000480000-0x0000000000486000-memory.dmp

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

MD5 199a2cab08ddec8a7f943b5a0d5dfca8
SHA1 9902bd373aaef838d9070452f135aedfae6b394c
SHA256 586d31370cefc2d9778f9c99268dbd29df059b3e1c33b68f36d3dc45821a6c36
SHA512 93b3dfa7478f46c2d00aa5c2fc5ee7b511d37c40b4ae863b547c0954251ab093be7c414a128ab3017ab46a171fc2a75daff11bafadf54f271a30fb75c05694ba

memory/2816-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2816-15-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2248-1-0x0000000000240000-0x0000000000246000-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

156s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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_9b3f32a285f0924d1dfa7a5fa4a70034_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_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 145.71.91.104.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 13.227.111.52.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 8.8.8.8:53 10.179.89.13.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/2700-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/2700-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/2700-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

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

MD5 199a2cab08ddec8a7f943b5a0d5dfca8
SHA1 9902bd373aaef838d9070452f135aedfae6b394c
SHA256 586d31370cefc2d9778f9c99268dbd29df059b3e1c33b68f36d3dc45821a6c36
SHA512 93b3dfa7478f46c2d00aa5c2fc5ee7b511d37c40b4ae863b547c0954251ab093be7c414a128ab3017ab46a171fc2a75daff11bafadf54f271a30fb75c05694ba

memory/2104-17-0x00000000007D0000-0x00000000007D6000-memory.dmp

memory/2104-19-0x00000000006A0000-0x00000000006A6000-memory.dmp