Malware Analysis Report

2024-09-22 23:45

Sample ID 240516-ml969sgh67
Target dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics
SHA256 e85427f2aebd5fbc58019d97020a5bd091e1c2a100fa9e495300fbb0ed4519d7
Tags
asyncrat stormkitty default persistence rat stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

e85427f2aebd5fbc58019d97020a5bd091e1c2a100fa9e495300fbb0ed4519d7

Threat Level: Known bad

The file dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics was found to be: Known bad.

Malicious Activity Summary

asyncrat stormkitty default persistence rat stealer

StormKitty

AsyncRat

StormKitty payload

Uses the VBS compiler for execution

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-16 10:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-16 10:34

Reported

2024-05-16 10:36

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe"

Signatures

AsyncRat

rat asyncrat

StormKitty

stealer stormkitty

StormKitty payload

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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\"" C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2140 set thread context of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2140 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1448 wrote to memory of 2292 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1448 wrote to memory of 2292 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1448 wrote to memory of 2292 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1448 wrote to memory of 2292 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe"

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

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

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

dw20.exe -x -s 376

Network

N/A

Files

memory/2140-0-0x0000000074D31000-0x0000000074D32000-memory.dmp

memory/2140-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2140-1-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1448-10-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-15-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2140-16-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1448-14-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-12-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1448-7-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-6-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-5-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1448-4-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2292-17-0x0000000001D70000-0x0000000001D71000-memory.dmp

memory/1448-18-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2292-19-0x0000000001D70000-0x0000000001D71000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-16 10:34

Reported

2024-05-16 10:36

Platform

win10v2004-20240508-en

Max time kernel

137s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe"

Signatures

AsyncRat

rat asyncrat

StormKitty

stealer stormkitty

StormKitty payload

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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\"" C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2888 set thread context of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2888 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1092 wrote to memory of 4012 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1092 wrote to memory of 4012 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
PID 1092 wrote to memory of 4012 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\dad9dc836645d3a062a5babbd4eaa8d0_NeikiAnalytics.exe"

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

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

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

dw20.exe -x -s 776

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
NL 23.62.61.163:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 163.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2888-0-0x0000000074972000-0x0000000074973000-memory.dmp

memory/2888-1-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/2888-2-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1092-4-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2888-7-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1092-6-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1092-8-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1092-15-0x0000000000440000-0x0000000000509000-memory.dmp

memory/1092-16-0x0000000074970000-0x0000000074F21000-memory.dmp