Malware Analysis Report

2025-08-06 01:19

Sample ID 241107-sgtllsvbnd
Target 2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker
SHA256 c6ed3d9abce97509ba3b0e61828235eb1a08f910be4cf5b5b3f940f54cc852ee
Tags
upx discovery
score
7/10

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
7/10

SHA256

c6ed3d9abce97509ba3b0e61828235eb1a08f910be4cf5b5b3f940f54cc852ee

Threat Level: Shows suspicious behavior

The file 2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 15:06

Signatures

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 15:06

Reported

2024-11-07 15:08

Platform

win7-20240729-en

Max time kernel

141s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe"

Signatures

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\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe N/A

UPX packed file

upx
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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_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 3.94.41.167:443 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/2488-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2488-1-0x0000000000440000-0x0000000000446000-memory.dmp

memory/2488-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

memory/2488-9-0x0000000000440000-0x0000000000446000-memory.dmp

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

MD5 6d8f14fee5cc43ffc47288de4fbf2a24
SHA1 41fc0e27342dc6bd9ab2211a9f29b1c85c3d0b9c
SHA256 72b36599910dab1687e4dd3325a1706b2a015741464a5b2ce00e5c84035337a9
SHA512 1c0b0cd8d2aa055cdf7220beb76e3dbad435c72a10d9a1bae7d11f7e1277adc51300e4ea449d1147f52efa24467c2850d1e5ec66be0ce57cd668d2d37a68922e

memory/2488-15-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2452-24-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2452-17-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2452-25-0x0000000000500000-0x000000000050F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 15:06

Reported

2024-11-07 15:08

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_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

UPX packed file

upx
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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-07_eaad1808e183fb5f0163f828e2ff7e57_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 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
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/2156-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2156-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2156-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2156-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

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

MD5 6d8f14fee5cc43ffc47288de4fbf2a24
SHA1 41fc0e27342dc6bd9ab2211a9f29b1c85c3d0b9c
SHA256 72b36599910dab1687e4dd3325a1706b2a015741464a5b2ce00e5c84035337a9
SHA512 1c0b0cd8d2aa055cdf7220beb76e3dbad435c72a10d9a1bae7d11f7e1277adc51300e4ea449d1147f52efa24467c2850d1e5ec66be0ce57cd668d2d37a68922e

memory/2156-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/3940-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/3940-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/3940-27-0x0000000000500000-0x000000000050F000-memory.dmp