Malware Analysis Report

2025-01-18 12:58

Sample ID 240613-d4nljssgne
Target 2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_cryptolocker
SHA256 0181fb290b41a126810da3bfc1e351a061896beac103d7df5f7bb2c9b6dd9e95
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

0181fb290b41a126810da3bfc1e351a061896beac103d7df5f7bb2c9b6dd9e95

Threat Level: Known bad

The file 2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:33

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 03:33

Reported

2024-06-13 03:36

Platform

win7-20240611-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_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_5d49ccf51cd2a8994ac3a2e832850e8a_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_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/2152-0-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2152-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

memory/2152-8-0x0000000000280000-0x0000000000286000-memory.dmp

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

MD5 166dd4553691db047e851fbf78730b54
SHA1 29ae22e237f4c869645f10ad3bad710d9e091ff5
SHA256 0ee8b409e994b6f8da22cabd52e024dd87b96cc6d39d80e0469f53c5c8ee5bdd
SHA512 54e4e5658bf3db3e546538493010046389bc6f59546cd147ae67b44a00b8e5645c032f6940d0b9a658748193c9660fa7ca505cbf3e7e3f50d256482f085c207d

memory/2744-15-0x0000000000450000-0x0000000000456000-memory.dmp

memory/2744-22-0x0000000000420000-0x0000000000426000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:33

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_5d49ccf51cd2a8994ac3a2e832850e8a_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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_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_5d49ccf51cd2a8994ac3a2e832850e8a_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_5d49ccf51cd2a8994ac3a2e832850e8a_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/464-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/464-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/464-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 166dd4553691db047e851fbf78730b54
SHA1 29ae22e237f4c869645f10ad3bad710d9e091ff5
SHA256 0ee8b409e994b6f8da22cabd52e024dd87b96cc6d39d80e0469f53c5c8ee5bdd
SHA512 54e4e5658bf3db3e546538493010046389bc6f59546cd147ae67b44a00b8e5645c032f6940d0b9a658748193c9660fa7ca505cbf3e7e3f50d256482f085c207d

memory/4696-17-0x0000000002070000-0x0000000002076000-memory.dmp

memory/4696-23-0x0000000000560000-0x0000000000566000-memory.dmp