Malware Analysis Report

2025-04-14 01:48

Sample ID 240602-2emvqahd21
Target 2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker
SHA256 ec352504445399f23945ff354713529f38267c6f7acf78970b120fb322f46454
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

ec352504445399f23945ff354713529f38267c6f7acf78970b120fb322f46454

Threat Level: Known bad

The file 2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 22:29

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 22:29

Reported

2024-06-02 22:32

Platform

win7-20240508-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Detection of Cryptolocker Samples

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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 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 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 3.18.7.81:443 emrlogistics.com tcp

Files

memory/2020-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2020-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2020-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2020-2-0x0000000000210000-0x0000000000216000-memory.dmp

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

MD5 48aad15686d327a056e364bd017840ed
SHA1 972a96495adcca5801d83be5c9e18bce974f94fa
SHA256 2250234a3aa2347ea5e0c12eff8af7a02aa65a1f72b8db590b48981dbe75dba3
SHA512 89fb4b83b36f5c740da401b233f1ff2dc06a0074b63b15b4fcb4e3b2865aa981a4947c59d110232799afdf1d6fac23aeea14dc46bb4dfa37db32d6df0fd0b657

memory/2020-15-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2020-14-0x0000000001E60000-0x0000000001E6F000-memory.dmp

memory/2884-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/2884-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 22:29

Reported

2024-06-02 22:32

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Detection of Cryptolocker Samples

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_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_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_feeb83f63a20472014a94f7f1473a720_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp

Files

memory/624-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/624-1-0x0000000000630000-0x0000000000636000-memory.dmp

memory/624-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

memory/624-9-0x0000000000630000-0x0000000000636000-memory.dmp

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

MD5 48aad15686d327a056e364bd017840ed
SHA1 972a96495adcca5801d83be5c9e18bce974f94fa
SHA256 2250234a3aa2347ea5e0c12eff8af7a02aa65a1f72b8db590b48981dbe75dba3
SHA512 89fb4b83b36f5c740da401b233f1ff2dc06a0074b63b15b4fcb4e3b2865aa981a4947c59d110232799afdf1d6fac23aeea14dc46bb4dfa37db32d6df0fd0b657

memory/624-17-0x0000000000500000-0x000000000050F000-memory.dmp

memory/3972-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/3972-20-0x00000000007D0000-0x00000000007D6000-memory.dmp

memory/3972-26-0x00000000006A0000-0x00000000006A6000-memory.dmp