Malware Analysis Report

2024-12-07 13:53

Sample ID 241119-gredws1las
Target 4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3
SHA256 4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3
Tags
upx gh0strat purplefox discovery rat rootkit trojan
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

4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3

Threat Level: Known bad

The file 4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3 was found to be: Known bad.

Malicious Activity Summary

upx gh0strat purplefox discovery rat rootkit trojan

Gh0strat

PurpleFox

Purplefox family

Detect PurpleFox Rootkit

Gh0st RAT payload

Gh0strat family

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-19 06:02

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 06:01

Reported

2024-11-19 06:04

Platform

win7-20240903-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

UPX packed file

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

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\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe

"C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp

Files

memory/2380-0-0x0000000000400000-0x0000000000620000-memory.dmp

memory/2380-1-0x0000000010000000-0x000000001019F000-memory.dmp

memory/2380-17-0x0000000000400000-0x0000000000620000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-19 06:01

Reported

2024-11-19 06:04

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

UPX packed file

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

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\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe

"C:\Users\Admin\AppData\Local\Temp\4c13540040a4e08b12c1ccf7747f4fe27b7859be223e91f590fe48f0c46619d3.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.101:8080 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
N/A 192.168.1.101:8080 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
N/A 192.168.1.101:8080 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 192.168.1.101:8080 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp
N/A 192.168.1.101:8080 tcp

Files

memory/1844-0-0x0000000000400000-0x0000000000620000-memory.dmp

memory/1844-1-0x0000000010000000-0x000000001019F000-memory.dmp

memory/1844-17-0x0000000000400000-0x0000000000620000-memory.dmp