Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-ect5patbnd
Target 2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker
SHA256 c3de94a0b93a7a0064bdbb578fb469a093bcdd54f06d6b5c9f8a30f05046a5a2
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

c3de94a0b93a7a0064bdbb578fb469a093bcdd54f06d6b5c9f8a30f05046a5a2

Threat Level: Known bad

The file 2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:48

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 03:48

Reported

2024-06-13 03:50

Platform

win7-20240221-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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/1976-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1976-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1976-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 22ab04096f0a63860d7c24223c7f44ee
SHA1 5f4e595d630b577a9732328ef9d6a0c1ab1dda21
SHA256 12fb239c7b41ebf0dcb1124eeb3aa4336bdb409beaf918c65758935f82d48c93
SHA512 cf6d4f8f669eec8587acb409af2b5129030edaabb3ac8258c4d5271af4b47cbbbb981144e382d3609a26fc1d41b6ba5f97cc18f179b00e1187e8bf0cc68c82b6

memory/2916-22-0x0000000000330000-0x0000000000336000-memory.dmp

memory/2916-15-0x0000000000370000-0x0000000000376000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:48

Reported

2024-06-13 03:50

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_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_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_8cda03206ed6e947bff23c8bcdd1eaf1_cryptolocker.exe"

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

"C:\Users\Admin\AppData\Local\Temp\asih.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 --mojo-platform-channel-handle=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 121.150.79.40.in-addr.arpa udp

Files

memory/372-0-0x00000000021A0000-0x00000000021A6000-memory.dmp

memory/372-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

memory/372-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

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

MD5 22ab04096f0a63860d7c24223c7f44ee
SHA1 5f4e595d630b577a9732328ef9d6a0c1ab1dda21
SHA256 12fb239c7b41ebf0dcb1124eeb3aa4336bdb409beaf918c65758935f82d48c93
SHA512 cf6d4f8f669eec8587acb409af2b5129030edaabb3ac8258c4d5271af4b47cbbbb981144e382d3609a26fc1d41b6ba5f97cc18f179b00e1187e8bf0cc68c82b6

memory/4676-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

memory/4676-23-0x00000000005B0000-0x00000000005B6000-memory.dmp