Malware Analysis Report

2024-09-22 15:25

Sample ID 220707-jlqk3sheg6
Target 3048_1647779912_8762.exe
SHA256 3510aec49416b1e42f8958c4dbd7cf3b8aaa124b2a3d39cfe4829f943f67ac64
Tags
phoenixstealer stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

3510aec49416b1e42f8958c4dbd7cf3b8aaa124b2a3d39cfe4829f943f67ac64

Threat Level: Known bad

The file 3048_1647779912_8762.exe was found to be: Known bad.

Malicious Activity Summary

phoenixstealer stealer

PhoenixStealer

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2022-07-07 07:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-07 07:45

Reported

2022-07-07 07:48

Platform

win7-20220414-en

Max time kernel

42s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe"

Signatures

PhoenixStealer

stealer phoenixstealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1100 set thread context of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1100 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe

"C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

N/A

Files

memory/1100-54-0x0000000000C70000-0x0000000000D04000-memory.dmp

memory/1100-55-0x00000000765C1000-0x00000000765C3000-memory.dmp

memory/1100-56-0x0000000000B30000-0x0000000000BC2000-memory.dmp

memory/1952-57-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-58-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-60-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-62-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-64-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-65-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-67-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-68-0x0000000000453B8C-mapping.dmp

memory/1952-71-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1952-73-0x0000000000400000-0x000000000048D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-07 07:45

Reported

2022-07-07 07:48

Platform

win10v2004-20220414-en

Max time kernel

95s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe"

Signatures

PhoenixStealer

stealer phoenixstealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4948 set thread context of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4948 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe

"C:\Users\Admin\AppData\Local\Temp\3048_1647779912_8762.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
NL 88.221.144.192:80 tcp
NL 87.248.202.1:80 tcp

Files

memory/4948-130-0x0000000000320000-0x00000000003B4000-memory.dmp

memory/4948-131-0x00000000053A0000-0x0000000005944000-memory.dmp

memory/4948-132-0x0000000004D40000-0x0000000004DD2000-memory.dmp

memory/4948-133-0x0000000004F00000-0x0000000004F0A000-memory.dmp

memory/4948-134-0x0000000004FE0000-0x0000000005056000-memory.dmp

memory/4948-135-0x00000000050F0000-0x000000000510E000-memory.dmp

memory/2660-136-0x0000000000000000-mapping.dmp

memory/2660-137-0x0000000000400000-0x000000000048D000-memory.dmp

memory/2660-138-0x0000000000400000-0x000000000048D000-memory.dmp

memory/2660-139-0x0000000000400000-0x000000000048D000-memory.dmp

memory/2660-141-0x0000000000400000-0x000000000048D000-memory.dmp