Malware Analysis Report

2024-11-30 15:59

Sample ID 220625-k63xksecgm
Target 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57
SHA256 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57
Tags
imminent 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

431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57

Threat Level: Known bad

The file 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57 was found to be: Known bad.

Malicious Activity Summary

imminent spyware trojan

Imminent RAT

Deletes itself

Checks computer location settings

Drops desktop.ini file(s)

Suspicious use of SetThreadContext

AutoIT Executable

Drops file in Windows directory

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Delays execution with timeout.exe

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-25 09:13

Signatures

AutoIT Executable

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-25 09:13

Reported

2022-06-25 11:06

Platform

win7-20220414-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

Signatures

Imminent RAT

trojan spyware imminent

Deletes itself

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1980 set thread context of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1908 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1980 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 1980 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 1980 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 1980 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 1120 wrote to memory of 1524 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1120 wrote to memory of 1524 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1120 wrote to memory of 1524 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1120 wrote to memory of 1524 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe

"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

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
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
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/1980-54-0x00000000768D1000-0x00000000768D3000-memory.dmp

memory/1908-55-0x0000000000451D1E-mapping.dmp

memory/1120-57-0x0000000000000000-mapping.dmp

memory/1524-58-0x0000000000000000-mapping.dmp

memory/1908-59-0x0000000073760000-0x0000000073D0B000-memory.dmp

memory/1908-60-0x0000000073760000-0x0000000073D0B000-memory.dmp

memory/1908-61-0x0000000073760000-0x0000000073D0B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-25 09:13

Reported

2022-06-25 11:06

Platform

win10v2004-20220414-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

Signatures

Imminent RAT

trojan spyware imminent

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\Windows\assembly\Desktop.ini 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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3376 set thread context of 4900 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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 3376 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3376 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3376 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3376 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3376 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 3376 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 3376 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe C:\Windows\SysWOW64\cmd.exe
PID 4756 wrote to memory of 3184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4756 wrote to memory of 3184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4756 wrote to memory of 3184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe

"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

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

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

Network

Country Destination Domain Proto
US 93.184.220.29:80 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
US 8.253.208.112:80 tcp
DE 185.140.53.144:9630 linkadrum.nl tcp
FR 2.18.109.224:443 tcp
US 104.18.24.243:80 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
IE 13.69.239.74:443 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
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 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
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
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

Files

memory/4900-130-0x0000000000000000-mapping.dmp

memory/3376-131-0x0000000003FF0000-0x0000000003FF3000-memory.dmp

memory/4756-132-0x0000000000000000-mapping.dmp

memory/3184-133-0x0000000000000000-mapping.dmp

memory/4900-134-0x0000000073EC0000-0x0000000074471000-memory.dmp

memory/4900-135-0x0000000073EC0000-0x0000000074471000-memory.dmp