Malware Analysis Report

2025-06-16 07:16

Sample ID 240602-a8bk1ada5w
Target 2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker
SHA256 d665c773bb2b595e5945b55adaa25f7f0cc81dcd5455bc489196e0f69492f176
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

d665c773bb2b595e5945b55adaa25f7f0cc81dcd5455bc489196e0f69492f176

Threat Level: Known bad

The file 2024-06-02_d097099656da7c3f4184548cb2c8055f_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

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 00:52

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

2024-06-02 00:52

Reported

2024-06-02 00:55

Platform

win7-20240220-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp

Files

memory/2872-0-0x0000000000450000-0x0000000000456000-memory.dmp

memory/2872-1-0x0000000000490000-0x0000000000496000-memory.dmp

memory/2872-8-0x0000000000450000-0x0000000000456000-memory.dmp

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

MD5 387f3bacf276247f26feaa22ddf2c07e
SHA1 22e6c7f37d48da8e9603ff422acbf1c0072c0bcd
SHA256 62cda057b5b88ec40daf7618d39ed696ffaec1e7d369eaecaa92f328378b12d8
SHA512 2dbb91d7cac400e4e2caa908bb4df834b5c498b35e01754b9ccc2fd2c7e199fd1446a6b83175a55903b84b86e21ca79dc828a8ecc30a5646a9e481a99f13cff7

memory/2492-15-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2492-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 00:52

Reported

2024-06-02 00:55

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_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 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp

Files

memory/4244-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4244-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/4244-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 387f3bacf276247f26feaa22ddf2c07e
SHA1 22e6c7f37d48da8e9603ff422acbf1c0072c0bcd
SHA256 62cda057b5b88ec40daf7618d39ed696ffaec1e7d369eaecaa92f328378b12d8
SHA512 2dbb91d7cac400e4e2caa908bb4df834b5c498b35e01754b9ccc2fd2c7e199fd1446a6b83175a55903b84b86e21ca79dc828a8ecc30a5646a9e481a99f13cff7

memory/2124-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

memory/2124-23-0x00000000021D0000-0x00000000021D6000-memory.dmp