Malware Analysis Report

2025-08-05 16:32

Sample ID 240611-cxngja1arf
Target 2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_cryptolocker
SHA256 f76622a2a31ef560287ff8a9c7100207f0147b7445cb78eb27befc4a631889ca
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

f76622a2a31ef560287ff8a9c7100207f0147b7445cb78eb27befc4a631889ca

Threat Level: Known bad

The file 2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 02:27

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

2024-06-11 02:27

Reported

2024-06-11 02:30

Platform

win7-20240215-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_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
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\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_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/2980-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2980-2-0x0000000000490000-0x0000000000496000-memory.dmp

memory/2980-9-0x0000000000260000-0x0000000000266000-memory.dmp

memory/2980-1-0x0000000000260000-0x0000000000266000-memory.dmp

memory/2976-16-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2980-15-0x0000000000500000-0x000000000050B000-memory.dmp

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

MD5 d3aee75fda8e407cacd6626c079dc083
SHA1 0f70155ddc2dec5ea6ef8de998ff4b50963e3c61
SHA256 4fff08817675d837c22dd23d2b82c43e9b531185f0f665ccb6bc7ac5b929b8bb
SHA512 c7a7e3c757177a3e5a641b6c42eb80cc201c89a937d83ec77a73e790a79797b953c1285cab98d8d810420e592a619329c2f5b4fb28e04c58fd0877f53cf5fae4

memory/2976-18-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2976-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2976-26-0x0000000000500000-0x000000000050B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 02:27

Reported

2024-06-11 02:30

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_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
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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_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\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_466a8cb0d0b1f0d2da053431fcacdd5d_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 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/3672-0-0x0000000000500000-0x000000000050B000-memory.dmp

memory/3672-1-0x0000000000740000-0x0000000000746000-memory.dmp

memory/3672-2-0x0000000000740000-0x0000000000746000-memory.dmp

memory/3672-3-0x0000000000760000-0x0000000000766000-memory.dmp

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

MD5 d3aee75fda8e407cacd6626c079dc083
SHA1 0f70155ddc2dec5ea6ef8de998ff4b50963e3c61
SHA256 4fff08817675d837c22dd23d2b82c43e9b531185f0f665ccb6bc7ac5b929b8bb
SHA512 c7a7e3c757177a3e5a641b6c42eb80cc201c89a937d83ec77a73e790a79797b953c1285cab98d8d810420e592a619329c2f5b4fb28e04c58fd0877f53cf5fae4

memory/3672-17-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2720-18-0x0000000000500000-0x000000000050B000-memory.dmp

memory/2720-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/2720-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/2720-27-0x0000000000500000-0x000000000050B000-memory.dmp