Malware Analysis Report

2025-04-14 04:16

Sample ID 240609-jc2a8aff4w
Target 2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker
SHA256 9ec80b8f4f6bc7e10bfcc0888d6bb98c8d700062d0adf86093d246fd72629ed6
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

9ec80b8f4f6bc7e10bfcc0888d6bb98c8d700062d0adf86093d246fd72629ed6

Threat Level: Known bad

The file 2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 07:33

Signatures

Detection of CryptoLocker Variants

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

2024-06-09 07:32

Reported

2024-06-09 07:37

Platform

win7-20240215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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\demka.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"

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

"C:\Users\Admin\AppData\Local\Temp\demka.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ttms.org udp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp

Files

memory/2356-8-0x00000000003F0000-0x00000000003F6000-memory.dmp

memory/2356-1-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2356-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

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

MD5 dcfb797059c3f37f49599871a7fe708b
SHA1 4316a81855921a7134f92617dd5d1332ceb66c2e
SHA256 0080afed6cbcc88510f3514ac98cdb436e95231a65903d45ce72d493d9479c5c
SHA512 d9d3d3ab00765074f144e595dac445a11b964b6a7045bdd56b69ef24dd0d91c684dc5bfc0875f4e48b1e3229743d5b19c4188aa90232089eb4a962ef67f13a62

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 07:32

Reported

2024-06-09 07:37

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"

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

"C:\Users\Admin\AppData\Local\Temp\demka.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3144,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 ttms.org udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp

Files

memory/1072-0-0x0000000002110000-0x0000000002116000-memory.dmp

memory/1072-1-0x0000000000400000-0x0000000000406000-memory.dmp

memory/1072-8-0x0000000002110000-0x0000000002116000-memory.dmp

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

MD5 dcfb797059c3f37f49599871a7fe708b
SHA1 4316a81855921a7134f92617dd5d1332ceb66c2e
SHA256 0080afed6cbcc88510f3514ac98cdb436e95231a65903d45ce72d493d9479c5c
SHA512 d9d3d3ab00765074f144e595dac445a11b964b6a7045bdd56b69ef24dd0d91c684dc5bfc0875f4e48b1e3229743d5b19c4188aa90232089eb4a962ef67f13a62

memory/5020-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp