Malware Analysis Report

2024-11-13 15:44

Sample ID 221029-ezphqabggj
Target f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd
SHA256 f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd
Tags
imminent persistence spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd

Threat Level: Known bad

The file f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd was found to be: Known bad.

Malicious Activity Summary

imminent persistence spyware trojan

Imminent RAT

Adds Run key to start application

Drops desktop.ini file(s)

Suspicious use of SetThreadContext

Drops file in Windows directory

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-29 04:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-29 04:22

Reported

2022-10-29 08:10

Platform

win7-20220812-en

Max time kernel

79s

Max time network

177s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe

"C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe"

Network

Country Destination Domain Proto
TR 185.84.181.70:9000 tcp
TR 185.84.181.70:9000 tcp
TR 185.84.181.70:9000 tcp
TR 185.84.181.70:9000 tcp

Files

memory/1696-54-0x0000000075201000-0x0000000075203000-memory.dmp

memory/1696-55-0x0000000074740000-0x0000000074CEB000-memory.dmp

memory/1696-56-0x0000000074740000-0x0000000074CEB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-29 04:22

Reported

2022-10-29 08:09

Platform

win10v2004-20220812-en

Max time kernel

157s

Max time network

169s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe"

Signatures

Imminent RAT

trojan spyware imminent

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microstat = "C:\\Users\\Admin\\AppData\\Roaming\\Microstat\\Default File.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5116 set thread context of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 5116 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe

"C:\Users\Admin\AppData\Local\Temp\f3a965324d2b610859a4deeee2cbe8ad6a68a82e2509235b8844a740cb3c52cd.exe"

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

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
TR 185.84.181.70:9000 tcp
TR 185.84.181.70:9000 tcp
TR 185.84.181.70:9000 tcp

Files

memory/5116-132-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/5116-133-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2304-134-0x0000000000000000-mapping.dmp

memory/5116-136-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2304-137-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2304-138-0x00000000752D0000-0x0000000075881000-memory.dmp