Malware Analysis Report

2025-01-18 12:58

Sample ID 240613-d6c8lashlc
Target 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker
SHA256 ea0051264abbe75be3b04428243da23ae5c537c63b55913ddbe00e92511d774b
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

ea0051264abbe75be3b04428243da23ae5c537c63b55913ddbe00e92511d774b

Threat Level: Known bad

The file 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:36

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

2024-06-13 03:36

Reported

2024-06-13 03:39

Platform

win7-20231129-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe"

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

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\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_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
IN 103.91.187.97:443 bestccc.com tcp
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IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 bestccc.com tcp
IN 103.91.187.97:443 tcp

Files

memory/2140-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2140-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2140-1-0x0000000000310000-0x0000000000316000-memory.dmp

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

MD5 dda6eb3193290459204c4be905590d9f
SHA1 ffdcc7a34529426cb0be4b88ef44b64972f95d66
SHA256 2c59fb3ad8b18c61c0b6a7d66bbb72bf40a370864085509acb110186659204a8
SHA512 5209717b42f672a9161a1522cf58d80ce388746303688b3bf4a0bfb65c914d4e451591732d1bc64ce68f7fb4304a1c48070ce6ff6e369221b4f72fba11274815

memory/2704-15-0x0000000000370000-0x0000000000376000-memory.dmp

memory/2704-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:36

Reported

2024-06-13 03:39

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe"

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_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\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_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 8.8.8.8.in-addr.arpa 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
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/372-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/372-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/372-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 dda6eb3193290459204c4be905590d9f
SHA1 ffdcc7a34529426cb0be4b88ef44b64972f95d66
SHA256 2c59fb3ad8b18c61c0b6a7d66bbb72bf40a370864085509acb110186659204a8
SHA512 5209717b42f672a9161a1522cf58d80ce388746303688b3bf4a0bfb65c914d4e451591732d1bc64ce68f7fb4304a1c48070ce6ff6e369221b4f72fba11274815

memory/1008-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1008-23-0x00000000004D0000-0x00000000004D6000-memory.dmp