Malware Analysis Report

2024-11-30 15:58

Sample ID 220712-sfwpkshhe9
Target 49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1
SHA256 49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1

Threat Level: Known bad

The file 49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1 was found to be: Known bad.

Malicious Activity Summary

imminent persistence spyware trojan

Imminent RAT

Drops desktop.ini file(s)

Adds Run key to start application

AutoIT Executable

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

2022-07-12 15:04

Signatures

AutoIT Executable

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-12 15:04

Reported

2022-07-13 03:30

Platform

win10v2004-20220414-en

Max time kernel

151s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe"

Signatures

Imminent RAT

trojan spyware imminent

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\\\.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 2272 set thread context of 3064 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.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\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege 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

Processes

C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe

"C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe"

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

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

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\wbem\WmiApSrv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 jodeal.casacam.net udp
NL 20.190.160.73:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
NL 8.248.1.254:80 tcp
NL 20.190.160.67:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
US 52.168.112.67:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
IE 20.54.110.249:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
NL 104.97.14.80:80 tcp
NL 104.97.14.80:80 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
NL 20.190.160.2:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
NL 20.190.160.136:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 52.242.97.97:443 tcp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 15.89.54.20.in-addr.arpa udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp
US 8.8.8.8:53 jodeal.casacam.net udp

Files

memory/3064-130-0x0000000000000000-mapping.dmp

memory/3064-131-0x0000000000380000-0x00000000003D6000-memory.dmp

memory/3064-136-0x0000000074C10000-0x00000000751C1000-memory.dmp

memory/3064-137-0x0000000074C10000-0x00000000751C1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-12 15:04

Reported

2022-07-13 03:31

Platform

win7-20220414-en

Max time kernel

171s

Max time network

63s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe"

Signatures

Imminent RAT

trojan spyware imminent

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\\\.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1960 set thread context of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.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\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe 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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Token: SeIncBasePriorityPrivilege 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 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1960 wrote to memory of 1600 N/A C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe

"C:\Users\Admin\AppData\Local\Temp\49f66c987a29c39d1af5f08a641c9e9e6f356762a2de5da978105b1c2afeacd1.exe"

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

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

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\wbem\WmiApSrv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 jodeal.casacam.net udp

Files

memory/1960-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

memory/1600-55-0x0000000000400000-0x0000000000456000-memory.dmp

memory/1600-57-0x0000000000400000-0x0000000000456000-memory.dmp

memory/1600-62-0x0000000000451B7E-mapping.dmp

memory/1600-63-0x0000000000400000-0x0000000000456000-memory.dmp

memory/1600-64-0x0000000000400000-0x0000000000456000-memory.dmp

memory/1600-66-0x0000000074A00000-0x0000000074FAB000-memory.dmp

memory/1600-67-0x0000000074A00000-0x0000000074FAB000-memory.dmp