Malware Analysis Report

2025-06-16 07:28

Sample ID 240602-fgbpkscb95
Target 2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker
SHA256 0a1495479f90096b1e635dfc020cf14cff905f43e6e65d7889d07786d24047e1
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

0a1495479f90096b1e635dfc020cf14cff905f43e6e65d7889d07786d24047e1

Threat Level: Known bad

The file 2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 04:50

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 04:50

Reported

2024-06-02 04:52

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
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 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/1484-0-0x00000000004B0000-0x00000000004B6000-memory.dmp

memory/1484-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1484-7-0x00000000004B0000-0x00000000004B6000-memory.dmp

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

MD5 45d87c91c5862b30e895eec717439a19
SHA1 974cbf622ceb80d216d6943580b09ffa40e99c8e
SHA256 8890355c3b368a662bf2fd5e988fc2871fb3826b9ff331ad66df86160a97b4ff
SHA512 b74d95a32c1d0de2270159bf8e49cbeaa439eba51bfee1bc4cbd7de907f6e9bca138c7fdedc78145b3eb4c350e59a2d487341d403527dc28d50d425eb808321b

memory/2648-22-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2648-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 04:50

Reported

2024-06-02 04:52

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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
US 8.8.8.8:53 13.227.111.52.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 udp

Files

memory/4144-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/4144-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/4144-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

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

MD5 45d87c91c5862b30e895eec717439a19
SHA1 974cbf622ceb80d216d6943580b09ffa40e99c8e
SHA256 8890355c3b368a662bf2fd5e988fc2871fb3826b9ff331ad66df86160a97b4ff
SHA512 b74d95a32c1d0de2270159bf8e49cbeaa439eba51bfee1bc4cbd7de907f6e9bca138c7fdedc78145b3eb4c350e59a2d487341d403527dc28d50d425eb808321b

memory/3552-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/3552-23-0x00000000006A0000-0x00000000006A6000-memory.dmp