Malware Analysis Report

2025-04-03 19:49

Sample ID 241110-hkelra1hnp
Target 2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker
SHA256 48989c1b10a11c340a5d69e7bf20322a1f0d8db0906337df305edcb2d6d97683
Tags
upx discovery
score
7/10

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
7/10

SHA256

48989c1b10a11c340a5d69e7bf20322a1f0d8db0906337df305edcb2d6d97683

Threat Level: Shows suspicious behavior

The file 2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 06:47

Signatures

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

2024-11-10 06:47

Reported

2024-11-10 06:49

Platform

win7-20240903-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe"

Signatures

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\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_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 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp
US 54.161.222.85:443 emrlogistics.com tcp
US 34.205.242.146:443 emrlogistics.com tcp

Files

memory/2408-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2408-2-0x0000000000480000-0x0000000000486000-memory.dmp

memory/2408-9-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2408-1-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 e9e54d9094391e00d53ca6f2b5ab2f1e
SHA1 daaddfe36bcd0318e68398e25a3cdbf848063a2e
SHA256 86daf5a86c079d12763fb712013b37657d914e949dd753aee0a2cb0eb092f3b4
SHA512 3cb0756dcb9fedac436184cde26295fcbf3738b64c8f324dcef602eaaa9a19e96a706e559b2ccda437ab5e85c83f17671343b445204d8b4bf9921db5fb66e2ad

memory/2064-16-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2408-14-0x0000000000670000-0x0000000000680000-memory.dmp

memory/2408-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2064-19-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2064-26-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 06:47

Reported

2024-11-10 06:50

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_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

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\asih.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_da3574371a2c930094a8ba45f4c097b3_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
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/3020-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3020-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3020-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3020-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 e9e54d9094391e00d53ca6f2b5ab2f1e
SHA1 daaddfe36bcd0318e68398e25a3cdbf848063a2e
SHA256 86daf5a86c079d12763fb712013b37657d914e949dd753aee0a2cb0eb092f3b4
SHA512 3cb0756dcb9fedac436184cde26295fcbf3738b64c8f324dcef602eaaa9a19e96a706e559b2ccda437ab5e85c83f17671343b445204d8b4bf9921db5fb66e2ad

memory/3020-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/412-25-0x00000000006C0000-0x00000000006C6000-memory.dmp

memory/412-19-0x0000000002090000-0x0000000002096000-memory.dmp

memory/412-26-0x0000000000500000-0x0000000000510000-memory.dmp