Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-eay1vswhnp
Target 2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker
SHA256 8521112533495e1fb35738114dbe3e8e522f7001a5d776afa3512fbec3dab260
Tags
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8521112533495e1fb35738114dbe3e8e522f7001a5d776afa3512fbec3dab260

Threat Level: Known bad

The file 2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker was found to be: Known bad.

Malicious Activity Summary


UPX dump on OEP (original entry point)

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

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 03:44

Signatures

Detection of CryptoLocker Variants

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

UPX dump on OEP (original entry point)

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: behavioral2

Detonation Overview

Submitted

2024-06-13 03:44

Reported

2024-06-13 03:47

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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

UPX dump on OEP (original entry point)

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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 52.111.229.48:443 tcp
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/2380-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2380-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

memory/2380-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

memory/2380-9-0x00000000006A0000-0x00000000006A6000-memory.dmp

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

MD5 587650c286d4dd9717bdd98c25703b5a
SHA1 32af96a515444a18ffdb3ff9aa2559465939d92c
SHA256 71dfdc81004e727c4a40a09a7a43756481635a2c4bd64564e9c4ec4bea736b31
SHA512 ad0a40e6ad65172c2828ac61685f38b23d6a961171e1570859be96f6dd29a081c4f3ef058538c0bda2077e9e0699f143ea2ec038f7cda2f8095c2d0b24298acd

memory/5108-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2380-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/5108-20-0x0000000002110000-0x0000000002116000-memory.dmp

memory/5108-26-0x00000000020E0000-0x00000000020E6000-memory.dmp

memory/5108-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:44

Reported

2024-06-13 03:47

Platform

win7-20240611-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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

UPX dump on OEP (original entry point)

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\asih.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47bbf062feab8cebabd87f9a4a9b69e7_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 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/2872-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2872-1-0x0000000000420000-0x0000000000426000-memory.dmp

memory/2872-2-0x0000000000420000-0x0000000000426000-memory.dmp

memory/2872-3-0x0000000000460000-0x0000000000466000-memory.dmp

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

MD5 587650c286d4dd9717bdd98c25703b5a
SHA1 32af96a515444a18ffdb3ff9aa2559465939d92c
SHA256 71dfdc81004e727c4a40a09a7a43756481635a2c4bd64564e9c4ec4bea736b31
SHA512 ad0a40e6ad65172c2828ac61685f38b23d6a961171e1570859be96f6dd29a081c4f3ef058538c0bda2077e9e0699f143ea2ec038f7cda2f8095c2d0b24298acd

memory/2872-12-0x0000000000630000-0x0000000000640000-memory.dmp

memory/2872-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1872-19-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1872-27-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/1872-28-0x0000000000500000-0x0000000000510000-memory.dmp