Malware Analysis Report

2025-08-05 16:03

Sample ID 240606-1fh3gsde22
Target 2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker
SHA256 c365d17190647945354022a0c1f0c5d40eb19b2cbaf6fef9ab0416a3bf970520
Tags
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

c365d17190647945354022a0c1f0c5d40eb19b2cbaf6fef9ab0416a3bf970520

Threat Level: Known bad

The file 2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-06 21:35

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 21:35

Reported

2024-06-06 21:38

Platform

win7-20240220-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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/2552-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2552-1-0x0000000000600000-0x0000000000606000-memory.dmp

memory/2552-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

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

MD5 c527848bc9ff1d2176f283cd1af9ca39
SHA1 c4467d8c4629874b4454b4fa402c2784be3e8af6
SHA256 37dfb0d35c94f79a5f0a09cdec1296699e6aff56d9c48fa0df32cb623d675b1a
SHA512 7857ed2d5f65828d32e07ec486a080fad84cd2d764f3f02e93898abe48819a09ca50c2010be918ee4e8d1c5b2ba5faa076ba2a7685485814dcee3ddf9fdf1f0c

memory/2572-15-0x0000000000290000-0x0000000000296000-memory.dmp

memory/2572-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 21:35

Reported

2024-06-06 21:38

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb5c53bb5534a37b6a427793956af3a9_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
BE 88.221.83.249:443 www.bing.com tcp
US 8.8.8.8:53 249.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net 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

Files

memory/4432-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/4432-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/4432-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 c527848bc9ff1d2176f283cd1af9ca39
SHA1 c4467d8c4629874b4454b4fa402c2784be3e8af6
SHA256 37dfb0d35c94f79a5f0a09cdec1296699e6aff56d9c48fa0df32cb623d675b1a
SHA512 7857ed2d5f65828d32e07ec486a080fad84cd2d764f3f02e93898abe48819a09ca50c2010be918ee4e8d1c5b2ba5faa076ba2a7685485814dcee3ddf9fdf1f0c

memory/3900-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3900-23-0x00000000005A0000-0x00000000005A6000-memory.dmp