Malware Analysis Report

2024-11-30 16:01

Sample ID 220703-tq5wnsgccl
Target 3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f
SHA256 3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f
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

3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f

Threat Level: Known bad

The file 3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f was found to be: Known bad.

Malicious Activity Summary

imminent persistence spyware trojan

Imminent RAT

Checks computer location settings

Adds Run key to start application

Drops desktop.ini file(s)

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-03 16:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-03 16:16

Reported

2022-07-03 16:24

Platform

win7-20220414-en

Max time kernel

183s

Max time network

191s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"

Signatures

Imminent RAT

trojan spyware imminent

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\bJeZQ = "C:\\Users\\Admin\\AppData\\Roaming\\bJeZQl\\WinDriv.url" C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe N/A

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1664 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe

"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" / C choice /C Y /N /D Y /T 3 & Del C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp

Files

memory/1664-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

memory/1664-55-0x0000000074410000-0x00000000749BB000-memory.dmp

memory/1664-56-0x0000000074410000-0x00000000749BB000-memory.dmp

memory/936-57-0x0000000000451D1E-mapping.dmp

memory/1664-59-0x0000000000980000-0x0000000000983000-memory.dmp

memory/936-60-0x0000000074410000-0x00000000749BB000-memory.dmp

memory/1368-61-0x0000000000000000-mapping.dmp

memory/1664-62-0x0000000074410000-0x00000000749BB000-memory.dmp

memory/936-63-0x0000000074410000-0x00000000749BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-03 16:16

Reported

2022-07-03 16:25

Platform

win10v2004-20220414-en

Max time kernel

160s

Max time network

173s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"

Signatures

Imminent RAT

trojan spyware imminent

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bJeZQ = "C:\\Users\\Admin\\AppData\\Roaming\\bJeZQl\\WinDriv.url" C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.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\InstallUtil.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A

Drops file in Windows directory

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

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe

"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" / C choice /C Y /N /D Y /T 3 & Del C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe

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

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

Network

Country Destination Domain Proto
NL 88.221.144.179:80 tcp
NL 88.221.144.179:80 tcp
US 13.89.178.26:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
US 8.8.8.8:53 linkadrum.nl udp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
DE 185.140.53.144:9630 linkadrum.nl tcp

Files

memory/2724-130-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/2724-131-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/3736-132-0x0000000000000000-mapping.dmp

memory/2724-133-0x00000000060A0000-0x00000000060A3000-memory.dmp

memory/3736-134-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/3516-135-0x0000000000000000-mapping.dmp

memory/2724-136-0x0000000075520000-0x0000000075AD1000-memory.dmp

memory/3736-137-0x0000000075520000-0x0000000075AD1000-memory.dmp