Malware Analysis Report

2024-11-30 16:01

Sample ID 220615-s4dhxadefq
Target 290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743
SHA256 290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743
Tags
imminent evasion 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

290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743

Threat Level: Known bad

The file 290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743 was found to be: Known bad.

Malicious Activity Summary

imminent evasion spyware trojan

Imminent RAT

Looks for VirtualBox Guest Additions in registry

Looks for VMWare Tools registry key

Checks computer location settings

Checks BIOS information in registry

Drops desktop.ini file(s)

Maps connected drives based on registry

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-15 15:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-15 15:40

Reported

2022-06-15 19:36

Platform

win7-20220414-en

Max time kernel

152s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"

Signatures

Imminent RAT

trojan spyware imminent

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1984 set thread context of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
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 1984 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 1984 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 1984 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 1984 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1984 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe

"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CipuKk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAF7.tmp"

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 qayshaija.ddns.net udp

Files

memory/1984-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

memory/1984-55-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/1984-56-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/524-57-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmpBAF7.tmp

MD5 4b89bebc498a45b016e6cf4f6e2b2ef9
SHA1 92495bd89f8885866af84b192770d3bd980aa573
SHA256 c31a4348a0e78eb58e2c3eab18054a5cf4306bfbc53a20cfbbb8105d6722061d
SHA512 ca45ae35ddc0f7c7cd82292bff9be59619828f27ae6cfef14b775b9ccb1fb10819759bebba8105e609de8c09fcc00d4639392f3bfbb6a489569674d334ad5d13

memory/772-59-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-60-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-62-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-64-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-63-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-65-0x0000000000451C4E-mapping.dmp

memory/772-68-0x0000000000400000-0x0000000000456000-memory.dmp

memory/1984-67-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/772-70-0x0000000000400000-0x0000000000456000-memory.dmp

memory/772-72-0x00000000744C0000-0x0000000074A6B000-memory.dmp

memory/772-73-0x00000000744C0000-0x0000000074A6B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-15 15:40

Reported

2022-06-15 19:36

Platform

win10v2004-20220414-en

Max time kernel

153s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"

Signatures

Imminent RAT

trojan spyware imminent

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4808 set thread context of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.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

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.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\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe N/A
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 4808 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 4808 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 4808 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\SysWOW64\schtasks.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4808 wrote to memory of 3480 N/A C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe

"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CipuKk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D76.tmp"

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 52.168.117.170:443 tcp
US 8.8.8.8:53 qayshaija.ddns.net udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/4808-130-0x0000000074ED0000-0x0000000075481000-memory.dmp

memory/4808-131-0x0000000074ED0000-0x0000000075481000-memory.dmp

memory/4980-132-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3D76.tmp

MD5 4e81dcc6abe0857365710fb75065bb03
SHA1 7a68fe408d282eaca6adab3e3062518beefb7938
SHA256 7028cd739a151edb9e8dbd2d55cf036f2dd5df1a6e16f812915cf0570f34e38b
SHA512 8d7d26508a24ee6ccaae1402c25b4b5c93794e425ad20efbd410040881364a6c7033bdb1f17964d137f3bba32a494164f44ceaf4fa3519249f9943258f11ac95

memory/3480-134-0x0000000000000000-mapping.dmp

memory/3480-135-0x0000000000400000-0x0000000000456000-memory.dmp

memory/4808-136-0x0000000074ED0000-0x0000000075481000-memory.dmp

memory/3480-137-0x0000000074ED0000-0x0000000075481000-memory.dmp

memory/3480-138-0x0000000074ED0000-0x0000000075481000-memory.dmp