Malware Analysis Report

2025-01-18 13:20

Sample ID 240613-dzx97awemn
Target 2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker
SHA256 ea8ab4d80ccfc18556c307ee08d20250a3a766f64d62b804d3c1fecf9d63fa80
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

ea8ab4d80ccfc18556c307ee08d20250a3a766f64d62b804d3c1fecf9d63fa80

Threat Level: Known bad

The file 2024-06-13_1f160c88c24364a45db74e7bdea38c51_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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:27

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 03:27

Reported

2024-06-13 03:29

Platform

win7-20240221-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp

Files

memory/2336-1-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2336-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2336-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

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

MD5 a576a8ed464cef54ddbdcfad1067b7ae
SHA1 90c276a2e2a147705b9c542e962ead5d4a888363
SHA256 b66665066fe771df4aa52df460a07659ee109c95a06ffe59cd7e7da39321ceef
SHA512 d97fa62cab142bc8d9abf10c052cb287d7f6f5cc66f5b36ad49b9fc8c6db5f426b2d54805d6bf9fe2129f37680a549a5f6f621002f5df80f3567457808a69437

memory/2184-15-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2184-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:27

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_1f160c88c24364a45db74e7bdea38c51_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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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_1f160c88c24364a45db74e7bdea38c51_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1f160c88c24364a45db74e7bdea38c51_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/2980-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/2980-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/2980-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 a576a8ed464cef54ddbdcfad1067b7ae
SHA1 90c276a2e2a147705b9c542e962ead5d4a888363
SHA256 b66665066fe771df4aa52df460a07659ee109c95a06ffe59cd7e7da39321ceef
SHA512 d97fa62cab142bc8d9abf10c052cb287d7f6f5cc66f5b36ad49b9fc8c6db5f426b2d54805d6bf9fe2129f37680a549a5f6f621002f5df80f3567457808a69437

memory/2492-17-0x0000000000760000-0x0000000000766000-memory.dmp

memory/2492-23-0x0000000000740000-0x0000000000746000-memory.dmp