Malware Analysis Report

2025-08-10 12:15

Sample ID 240610-1slzxasfrm
Target 4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6
SHA256 4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6
Tags
upx
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

4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6

Threat Level: Known bad

The file 4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6 was found to be: Known bad.

Malicious Activity Summary

upx

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Checks computer location settings

Loads dropped DLL

UPX packed file

Executes dropped EXE

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 21:54

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

UPX dump on OEP (original entry point)

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

UPX packed file

upx
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

2024-06-10 21:54

Reported

2024-06-10 21:57

Platform

win7-20240220-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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
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

Executes dropped EXE

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

UPX packed file

upx
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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe

"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp

Files

memory/2028-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2028-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2028-8-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2028-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 dfd0660b9991935fd37380c38bb10067
SHA1 4704f02344aeb8ae9c88b30e5d1a25625d0c24f3
SHA256 e3e8a3c5f99fbe95e93f1fbd2eb69e4100659393b5033ae2b332ace67f9ec934
SHA512 640e29f74ce0514342a3a09180961c238764750e8b8530bac93f62ee38ce3c1311c0dbe474210fce842c6bc02c4394717e963f6eb7de1c509944cd2b8c136343

memory/2200-15-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2200-24-0x0000000000250000-0x0000000000256000-memory.dmp

memory/2200-25-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 21:54

Reported

2024-06-10 21:57

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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
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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe N/A

Executes dropped EXE

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

UPX packed file

upx
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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe

"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp

Files

memory/1960-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1960-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/1960-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/1960-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 dfd0660b9991935fd37380c38bb10067
SHA1 4704f02344aeb8ae9c88b30e5d1a25625d0c24f3
SHA256 e3e8a3c5f99fbe95e93f1fbd2eb69e4100659393b5033ae2b332ace67f9ec934
SHA512 640e29f74ce0514342a3a09180961c238764750e8b8530bac93f62ee38ce3c1311c0dbe474210fce842c6bc02c4394717e963f6eb7de1c509944cd2b8c136343

memory/4908-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1960-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/4908-20-0x0000000000600000-0x0000000000606000-memory.dmp

memory/4908-26-0x00000000005E0000-0x00000000005E6000-memory.dmp

memory/4908-27-0x0000000000500000-0x0000000000510000-memory.dmp