Malware Analysis Report

2025-05-28 21:06

Sample ID 241109-q2f5xavhql
Target 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker
SHA256 82c8b9587010812d9847ab1acf7a7b843dde1feb5bc2f80cfe0791ed76c3d20e
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

82c8b9587010812d9847ab1acf7a7b843dde1feb5bc2f80cfe0791ed76c3d20e

Threat Level: Shows suspicious behavior

The file 2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

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

2024-11-09 13:45

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

2024-11-09 13:45

Reported

2024-11-09 13:47

Platform

win7-20241023-en

Max time kernel

141s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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
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\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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

Files

memory/1956-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1956-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1956-2-0x0000000000280000-0x0000000000286000-memory.dmp

memory/1956-9-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 eda7810560b87103bac3a78b643cf5c1
SHA1 725a4ef471fd3138501db8fe4b0b48e9a01b605a
SHA256 24eb2a5fff433d44e7d9c40d4f233cd0f7eae67e296e0c118f79c27fb0eb9551
SHA512 c2d1b9e933932ca3827c83121926cf8b936aa39bbc43e7a44d8704faae4bc4adb0127255b4a3189b49bc22f5c396b47d45b06f069abd215a208be411cfa3e187

memory/1956-13-0x0000000002320000-0x000000000232F000-memory.dmp

memory/1904-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1956-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1904-20-0x0000000000420000-0x0000000000426000-memory.dmp

memory/1904-21-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/1904-28-0x0000000000500000-0x000000000050F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 13:45

Reported

2024-11-09 13:47

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_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\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
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 8.8.8.8:53 83.210.23.2.in-addr.arpa 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

Files

memory/2932-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2932-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2932-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2932-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 eda7810560b87103bac3a78b643cf5c1
SHA1 725a4ef471fd3138501db8fe4b0b48e9a01b605a
SHA256 24eb2a5fff433d44e7d9c40d4f233cd0f7eae67e296e0c118f79c27fb0eb9551
SHA512 c2d1b9e933932ca3827c83121926cf8b936aa39bbc43e7a44d8704faae4bc4adb0127255b4a3189b49bc22f5c396b47d45b06f069abd215a208be411cfa3e187

memory/2932-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/3976-19-0x0000000000530000-0x0000000000536000-memory.dmp

memory/3976-20-0x0000000002070000-0x0000000002076000-memory.dmp

memory/3976-26-0x0000000000500000-0x000000000050F000-memory.dmp