Malware Analysis Report

2025-01-18 14:13

Sample ID 240613-dzgmfawell
Target 2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_cryptolocker
SHA256 ecab212b3b9b40dfaa41392a98a9805368e5830f3b5d193ffc6c43546a136963
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

ecab212b3b9b40dfaa41392a98a9805368e5830f3b5d193ffc6c43546a136963

Threat Level: Known bad

The file 2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_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

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

2024-06-13 03:26

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

2024-06-13 03:26

Reported

2024-06-13 03:29

Platform

win7-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_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_17a968a51c988fb9c9da95a05b4c71d2_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_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/2972-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2972-8-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2972-1-0x0000000000300000-0x0000000000306000-memory.dmp

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

MD5 4c8acd3a600f4d7abaee7f790016af68
SHA1 4a4bc4b258d169453156965df64f4929a7b10ba1
SHA256 43aa0f6f5dd2e50d0f0f454c32812e61984ce8fad2b7c8026bc3a5fc9ca730f8
SHA512 ae34c39f7ea9850f2e26954ae205efcdb0c2dedc4728fd3b09afd2a4285d9b9934de251fb41cf3e499709011de41a93e7580881a4d535781f36f11d2534fbd4d

memory/2432-15-0x0000000000290000-0x0000000000296000-memory.dmp

memory/2432-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:26

Reported

2024-06-13 03:29

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_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_17a968a51c988fb9c9da95a05b4c71d2_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_17a968a51c988fb9c9da95a05b4c71d2_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_17a968a51c988fb9c9da95a05b4c71d2_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/3604-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3604-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/3604-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 4c8acd3a600f4d7abaee7f790016af68
SHA1 4a4bc4b258d169453156965df64f4929a7b10ba1
SHA256 43aa0f6f5dd2e50d0f0f454c32812e61984ce8fad2b7c8026bc3a5fc9ca730f8
SHA512 ae34c39f7ea9850f2e26954ae205efcdb0c2dedc4728fd3b09afd2a4285d9b9934de251fb41cf3e499709011de41a93e7580881a4d535781f36f11d2534fbd4d