Malware Analysis Report

2025-01-18 12:58

Sample ID 240613-d5dgzawfrj
Target 2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker
SHA256 12df399f7a8f9ab896b3709b4be09ef02c5c0d56795fb17afd785ebd3508b19b
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

12df399f7a8f9ab896b3709b4be09ef02c5c0d56795fb17afd785ebd3508b19b

Threat Level: Known bad

The file 2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

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

2024-06-13 03:35

Signatures

Detection of CryptoLocker Variants

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

2024-06-13 03:35

Reported

2024-06-13 03:37

Platform

win7-20240221-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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\lossy.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2ndry.com udp

Files

memory/1928-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1928-1-0x0000000000280000-0x0000000000286000-memory.dmp

memory/1928-8-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 b9462cb217270c0b98b9669873b143ae
SHA1 666b3992d014a60076092b912a044d7fdc08a6bc
SHA256 f6285d70c053d550d55f471cbe6ea3915adc4707da380ad3bc7c4e22a863217e
SHA512 170ca7e7b9ed867b481cdcffdbdc06f50898dd1f17b344411c33d845c0a6e5fcf0f68108de3eb0c96a23f445c039b53e051521c0bc4212d5a0c06c764eb1fe36

memory/2732-15-0x00000000020A0000-0x00000000020A6000-memory.dmp

memory/2732-22-0x0000000000250000-0x0000000000256000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:35

Reported

2024-06-13 03:37

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\lossy.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_6c196933e7a0d5a93fa6ab24c5ee2d2b_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp
US 8.8.8.8:53 2ndry.com udp

Files

memory/3412-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/3412-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/3412-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 b9462cb217270c0b98b9669873b143ae
SHA1 666b3992d014a60076092b912a044d7fdc08a6bc
SHA256 f6285d70c053d550d55f471cbe6ea3915adc4707da380ad3bc7c4e22a863217e
SHA512 170ca7e7b9ed867b481cdcffdbdc06f50898dd1f17b344411c33d845c0a6e5fcf0f68108de3eb0c96a23f445c039b53e051521c0bc4212d5a0c06c764eb1fe36

memory/4648-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/4648-17-0x00000000006D0000-0x00000000006D6000-memory.dmp