Malware Analysis Report

2025-04-14 03:45

Sample ID 240612-xgjtmazbqk
Target 2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker
SHA256 011e185ccbc67d85bef765555f0ab87755f53adceafda7650998d4a1a4044974
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

011e185ccbc67d85bef765555f0ab87755f53adceafda7650998d4a1a4044974

Threat Level: Known bad

The file 2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detects executables built or packed with MPress PE compressor

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detects executables built or packed with MPress PE compressor

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

2024-06-12 18:49

Signatures

Detection of CryptoLocker Variants

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

Detects executables built or packed with MPress PE compressor

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

2024-06-12 18:49

Reported

2024-06-12 18:51

Platform

win7-20240508-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_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
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

Detects executables built or packed with MPress PE compressor

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
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\misid.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp

Files

memory/2972-0-0x0000000000500000-0x000000000050E000-memory.dmp

memory/2972-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2972-2-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2972-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

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

MD5 18db5ba22fe538129b87b48f23cd90c8
SHA1 32bb6fc10ef0d2c18a8c04c7ece576f76b89d4df
SHA256 01485005ff54b281ea74ef3c76060a7e6bd00552bfced1c23e69ce14b3cc01a1
SHA512 3eb7a22ee50415c7faf67ce019f05d751cd5714eadbd1f562a0fc827df03d0abc693950981580221226a8a8eb51a5a61190779ba359a2e2f96ca83bc09a56de9

memory/2972-13-0x00000000006D0000-0x00000000006DE000-memory.dmp

memory/2972-17-0x0000000000500000-0x000000000050E000-memory.dmp

memory/2700-18-0x0000000000500000-0x000000000050E000-memory.dmp

memory/2700-27-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2700-20-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2700-28-0x0000000000500000-0x000000000050E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 18:49

Reported

2024-06-12 18:52

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_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

Detects executables built or packed with MPress PE compressor

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

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\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-12_64fe9fad41d1ad9155251aa498ed7083_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp
US 8.8.8.8:53 bestccc.com udp

Files

memory/4296-0-0x0000000000500000-0x000000000050E000-memory.dmp

memory/4296-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4296-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/4296-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 18db5ba22fe538129b87b48f23cd90c8
SHA1 32bb6fc10ef0d2c18a8c04c7ece576f76b89d4df
SHA256 01485005ff54b281ea74ef3c76060a7e6bd00552bfced1c23e69ce14b3cc01a1
SHA512 3eb7a22ee50415c7faf67ce019f05d751cd5714eadbd1f562a0fc827df03d0abc693950981580221226a8a8eb51a5a61190779ba359a2e2f96ca83bc09a56de9

memory/4296-18-0x0000000000500000-0x000000000050E000-memory.dmp

memory/3132-20-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/3132-26-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/3132-27-0x0000000000500000-0x000000000050E000-memory.dmp