Malware Analysis Report

2024-09-22 06:42

Sample ID 240619-skzxsssekg
Target 178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
SHA256 178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5
Tags
asyncrat default rat
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

178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5

Threat Level: Known bad

The file 178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 15:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 15:11

Reported

2024-06-19 15:14

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 2156 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe
PID 1840 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1840 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1840 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1840 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

Processes

C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

dw20.exe -x -s 376

Network

N/A

Files

memory/2156-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

memory/2156-1-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/2156-2-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1840-3-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-13-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1840-7-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-5-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-9-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-15-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-17-0x0000000000400000-0x0000000000416000-memory.dmp

memory/1840-19-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1840-18-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/2156-20-0x0000000074DD0000-0x000000007537B000-memory.dmp

memory/1896-21-0x0000000002870000-0x0000000002871000-memory.dmp

memory/1840-22-0x0000000074DD0000-0x000000007537B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 15:11

Reported

2024-06-19 15:14

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe

"C:\Users\Admin\AppData\Local\Temp\178312f109fe57b02dfb81ca88e3016204480e72a902e7867cb5e160082cf7a5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4928-0-0x0000000074E72000-0x0000000074E73000-memory.dmp

memory/4928-1-0x0000000074E70000-0x0000000075421000-memory.dmp

memory/4928-2-0x0000000074E70000-0x0000000075421000-memory.dmp

memory/4928-4-0x0000000074E70000-0x0000000075421000-memory.dmp