Malware Analysis Report

2025-01-18 12:57

Sample ID 240613-e1c63stgnb
Target 2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker
SHA256 cf0a2c9b30d5636c17ee0d81793cf3306f5c5938f205e95c24314f39e5fd3d83
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

cf0a2c9b30d5636c17ee0d81793cf3306f5c5938f205e95c24314f39e5fd3d83

Threat Level: Known bad

The file 2024-06-13_1a60d11af66e77e1344f4784026c1296_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 04:24

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 04:24

Reported

2024-06-13 04:26

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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\asih.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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/2928-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2928-1-0x0000000000340000-0x0000000000346000-memory.dmp

memory/2928-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

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

MD5 09df001967c7532729f89b5ffcea6629
SHA1 c4134df14d9160176c0cfe0fa375b99ea0f51b65
SHA256 54ce4123b9c80a83134820bcec798117546dbaaaf422a5e5aab84299a8e77f50
SHA512 ebb758351372a07e881a32259a88dee911da9d3a4735dcbb09085947f0544460d8ea7b71f1dd19e7a40f30499d9b2ca9fd7d457a4b5083ec343de4a3aca11faa

memory/2028-15-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2028-22-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 04:24

Reported

2024-06-13 04:26

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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_1a60d11af66e77e1344f4784026c1296_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\2024-06-13_1a60d11af66e77e1344f4784026c1296_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1a60d11af66e77e1344f4784026c1296_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/4660-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4660-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4660-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 09df001967c7532729f89b5ffcea6629
SHA1 c4134df14d9160176c0cfe0fa375b99ea0f51b65
SHA256 54ce4123b9c80a83134820bcec798117546dbaaaf422a5e5aab84299a8e77f50
SHA512 ebb758351372a07e881a32259a88dee911da9d3a4735dcbb09085947f0544460d8ea7b71f1dd19e7a40f30499d9b2ca9fd7d457a4b5083ec343de4a3aca11faa

memory/4160-17-0x0000000000690000-0x0000000000696000-memory.dmp

memory/4160-23-0x0000000000670000-0x0000000000676000-memory.dmp