Malware Analysis Report

2025-04-14 00:32

Sample ID 240601-w3ftesbg45
Target 2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker
SHA256 c6886864b5148cd35937f937cee42249a07895b4479d86eb459ca4a3e94f9a99
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

c6886864b5148cd35937f937cee42249a07895b4479d86eb459ca4a3e94f9a99

Threat Level: Known bad

The file 2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 18:26

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

2024-06-01 18:26

Reported

2024-06-01 18:29

Platform

win7-20240419-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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 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
US 34.205.242.146:443 emrlogistics.com tcp
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
US 34.205.242.146:443 emrlogistics.com tcp

Files

memory/1680-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1680-1-0x0000000000290000-0x0000000000296000-memory.dmp

memory/1680-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 6ed73d504d1cb043f0769d5f035b8e14
SHA1 29ad9c432013e5f8386c39d2fe7b2db174858e64
SHA256 b9563897e81d8275349232683ce91b2514ee77f3b46868a2e9c683daaefd1236
SHA512 3ec63306a0ec353f0eca42b5f8515a8c39098c8654ae7e40fd1406d3e05f0184659190ef95509843f70d39c33544c23ccc76e441077e7cc76bd2aebb0a6f52df

memory/2608-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 18:26

Reported

2024-06-01 18:29

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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\2024-06-01_57e1192772971955d10e95dfcd6768b4_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\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 34.205.242.146:443 emrlogistics.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 54.161.222.85:443 emrlogistics.com tcp
US 8.8.8.8:53 11.227.111.52.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 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp

Files

memory/3392-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/3392-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3392-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

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

MD5 6ed73d504d1cb043f0769d5f035b8e14
SHA1 29ad9c432013e5f8386c39d2fe7b2db174858e64
SHA256 b9563897e81d8275349232683ce91b2514ee77f3b46868a2e9c683daaefd1236
SHA512 3ec63306a0ec353f0eca42b5f8515a8c39098c8654ae7e40fd1406d3e05f0184659190ef95509843f70d39c33544c23ccc76e441077e7cc76bd2aebb0a6f52df

memory/2220-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

memory/2220-23-0x0000000001F50000-0x0000000001F56000-memory.dmp