Malware Analysis Report

2025-05-06 01:36

Sample ID 250103-rnx2ya1ndn
Target f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe
SHA256 f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0c
Tags
upatre discovery downloader
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

f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0c

Threat Level: Known bad

The file f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe was found to be: Known bad.

Malicious Activity Summary

upatre discovery downloader

Upatre family

Upatre

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-03 14:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 14:20

Reported

2025-01-03 14:23

Platform

win7-20240708-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe"

Signatures

Upatre

downloader upatre

Upatre family

upatre

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\szgfw.exe 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\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe

"C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe"

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

"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"

Network

N/A

Files

memory/2320-0-0x0000000000220000-0x0000000000221000-memory.dmp

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

MD5 d7d9c519827690f7b40ec52c9128a849
SHA1 9e1bf947ce2d6e80c98758a8e34895da15db0d2f
SHA256 b788261b3fef8d4d1ed5e3bd00a08e032bef0fa6f123b8905e4f8e2d79f6b64f
SHA512 a023a5d500a289c97205468393f8a853046f0cf9be29fb412e01104d0078a84c91a58665dc69f618f46108ac241ad7caa52b45e50593dc17175f74492110aa04

memory/2320-10-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 14:20

Reported

2025-01-03 14:23

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe"

Signatures

Upatre

downloader upatre

Upatre family

upatre

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\szgfw.exe 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\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\szgfw.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe

"C:\Users\Admin\AppData\Local\Temp\f5c6aa8a01ca95e9e72d8a86d82c468953ec32232967cef958968a5015634b0cN.exe"

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

"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp

Files

memory/4700-0-0x0000000000770000-0x0000000000771000-memory.dmp

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

MD5 d7d9c519827690f7b40ec52c9128a849
SHA1 9e1bf947ce2d6e80c98758a8e34895da15db0d2f
SHA256 b788261b3fef8d4d1ed5e3bd00a08e032bef0fa6f123b8905e4f8e2d79f6b64f
SHA512 a023a5d500a289c97205468393f8a853046f0cf9be29fb412e01104d0078a84c91a58665dc69f618f46108ac241ad7caa52b45e50593dc17175f74492110aa04

memory/4700-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3188-10-0x0000000000400000-0x0000000000409000-memory.dmp