Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-d4w8pasgng
Target 2024-06-13_61fa28365223b52db313f64de338c9bb_cryptolocker
SHA256 08e1b89b31ed88e2dbc545593469b56ef1bfaa965c7d562eaeed9c7d65cb9870
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

08e1b89b31ed88e2dbc545593469b56ef1bfaa965c7d562eaeed9c7d65cb9870

Threat Level: Known bad

The file 2024-06-13_61fa28365223b52db313f64de338c9bb_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:34

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

2024-06-13 03:34

Reported

2024-06-13 03:36

Platform

win7-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_61fa28365223b52db313f64de338c9bb_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\2024-06-13_61fa28365223b52db313f64de338c9bb_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_61fa28365223b52db313f64de338c9bb_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_61fa28365223b52db313f64de338c9bb_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 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/2024-0-0x0000000000430000-0x0000000000436000-memory.dmp

memory/2024-1-0x0000000000470000-0x0000000000476000-memory.dmp

memory/2024-8-0x0000000000430000-0x0000000000436000-memory.dmp

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

MD5 1c63aa88916fc73f8c890e4c118a6e31
SHA1 abe49bb97a3c5d32d07bac4812c70c4d1a533c04
SHA256 b6d66970ff4c977cea608b91cf775346134d1f6e41880597d04185cba1d7671c
SHA512 11875bd98e9cfd179d6721752203c42a2535d26ebcb3e60b96d3b70069e2e45928d57fa26fe382bab104293f3ee56fc80d3224ad46af889247b20637c8896228

memory/2128-22-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2128-15-0x0000000000380000-0x0000000000386000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:34

Reported

2024-06-13 03:36

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_61fa28365223b52db313f64de338c9bb_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\2024-06-13_61fa28365223b52db313f64de338c9bb_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\2024-06-13_61fa28365223b52db313f64de338c9bb_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_61fa28365223b52db313f64de338c9bb_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 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/4848-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4848-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/4848-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 1c63aa88916fc73f8c890e4c118a6e31
SHA1 abe49bb97a3c5d32d07bac4812c70c4d1a533c04
SHA256 b6d66970ff4c977cea608b91cf775346134d1f6e41880597d04185cba1d7671c
SHA512 11875bd98e9cfd179d6721752203c42a2535d26ebcb3e60b96d3b70069e2e45928d57fa26fe382bab104293f3ee56fc80d3224ad46af889247b20637c8896228

memory/2628-17-0x0000000000660000-0x0000000000666000-memory.dmp

memory/2628-23-0x00000000004E0000-0x00000000004E6000-memory.dmp