Malware Analysis Report

2025-08-05 16:00

Sample ID 240610-g6h1madb5t
Target 2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker
SHA256 62fc1fb6268f639a8837e91335df61692fc1d5ae0a1d360b05d67695c242bf2d
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

62fc1fb6268f639a8837e91335df61692fc1d5ae0a1d360b05d67695c242bf2d

Threat Level: Known bad

The file 2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Detection of Cryptolocker Samples

UPX dump on OEP (original entry point)

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

2024-06-10 06:27

Signatures

Detection of CryptoLocker Variants

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

UPX dump on OEP (original entry point)

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

2024-06-10 06:24

Reported

2024-06-10 06:39

Platform

win7-20240221-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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

UPX dump on OEP (original entry point)

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\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp

Files

memory/2860-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2860-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2860-2-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2860-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 af768c4a8b2edc15342eff891154f4f6
SHA1 dc788f640da8d2442e894ec00d6732697e903c70
SHA256 cd5db6fd421b2dbfb106ee7af91dfea1be8c70c0eda54fe2bc49551154cd8dfb
SHA512 3849c63c00c3e0e487d6e9c807ccaaace442db49cd61c69650cea832c43000aa909097d47f4a6280f179a68e555bd5b8970c5ef51a6f92f1daacd678be5dd766

memory/2456-25-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2456-18-0x0000000000380000-0x0000000000386000-memory.dmp

memory/2860-16-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2456-26-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 06:24

Reported

2024-06-10 06:39

Platform

win10v2004-20240426-en

Max time kernel

0s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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
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

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp

Files

memory/3304-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/3304-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/3304-19-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2136-21-0x0000000000510000-0x0000000000516000-memory.dmp

memory/2136-17-0x0000000000500000-0x0000000000510000-memory.dmp

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

MD5 af768c4a8b2edc15342eff891154f4f6
SHA1 dc788f640da8d2442e894ec00d6732697e903c70
SHA256 cd5db6fd421b2dbfb106ee7af91dfea1be8c70c0eda54fe2bc49551154cd8dfb
SHA512 3849c63c00c3e0e487d6e9c807ccaaace442db49cd61c69650cea832c43000aa909097d47f4a6280f179a68e555bd5b8970c5ef51a6f92f1daacd678be5dd766

memory/3304-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/3304-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2136-27-0x0000000000500000-0x0000000000510000-memory.dmp