Malware Analysis Report

2025-08-05 16:30

Sample ID 240611-dxsxpatajj
Target 2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker
SHA256 899a4974c90abc6497ba8c0166f6480694aa34b14819ea541d44ed55ae6cd829
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

899a4974c90abc6497ba8c0166f6480694aa34b14819ea541d44ed55ae6cd829

Threat Level: Known bad

The file 2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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

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

2024-06-11 03:23

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

2024-06-11 03:23

Reported

2024-06-11 03:26

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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/2240-8-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2240-1-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2240-0-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 86c9a6adf9e59e67df48074506eedf1d
SHA1 c87df3d3a0568a6737b415e801a50369599043b1
SHA256 9ec50356f75a83f776d1b5771f3cc3de99611ab6d98a43e0dc26765cecdf0fd9
SHA512 2340d7f0a1fd7ee3a3ea7ab46aaeb6bb9b4c273372722294968909b4624ca51b8ed48d6c29571d5c9bf28f24b21213390ce97ac309882b70906b08108ee439f1

memory/2912-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/2912-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 03:23

Reported

2024-06-11 03:26

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_070d2a1d9389a02bc9f72bb5f389cd60_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/2536-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2536-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/2536-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 86c9a6adf9e59e67df48074506eedf1d
SHA1 c87df3d3a0568a6737b415e801a50369599043b1
SHA256 9ec50356f75a83f776d1b5771f3cc3de99611ab6d98a43e0dc26765cecdf0fd9
SHA512 2340d7f0a1fd7ee3a3ea7ab46aaeb6bb9b4c273372722294968909b4624ca51b8ed48d6c29571d5c9bf28f24b21213390ce97ac309882b70906b08108ee439f1

memory/4980-17-0x0000000002110000-0x0000000002116000-memory.dmp

memory/4980-23-0x0000000001FE0000-0x0000000001FE6000-memory.dmp