Malware Analysis Report

2025-01-06 10:59

Sample ID 240603-fc7apabh2w
Target 9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe
SHA256 65812254c046a36aa0e06ef8abb7b61e5f44d858421f835301daa221379f329c
Tags
upx evasion
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
8/10

SHA256

65812254c046a36aa0e06ef8abb7b61e5f44d858421f835301daa221379f329c

Threat Level: Likely malicious

The file 9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe was found to be: Likely malicious.

Malicious Activity Summary

upx evasion

Sets file to hidden

UPX packed file

Deletes itself

Executes dropped EXE

Checks computer location settings

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Views/modifies file attributes

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 04:44

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 04:44

Reported

2024-06-03 04:47

Platform

win7-20240419-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe"

Signatures

Sets file to hidden

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

Deletes itself

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Debug\ayahost.exe N/A

UPX packed file

upx
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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\ayahost.exe C:\Windows\SysWOW64\attrib.exe N/A
File created C:\Windows\Debug\ayahost.exe C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A
File opened for modification C:\Windows\Debug\ayahost.exe C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe"

C:\Windows\SysWOW64\attrib.exe

attrib +a +s +h +r C:\Windows\Debug\ayahost.exe

C:\Windows\Debug\ayahost.exe

C:\Windows\Debug\ayahost.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9BF279~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 7uYyNyM8gU.nnnn.eu.org udp
US 8.8.8.8:53 kwrH1G22jY.nnnn.eu.org udp
US 8.8.8.8:53 KdYTmkVTm.nnnn.eu.org udp
US 8.8.8.8:53 uJje3izmh0.nnnn.eu.org udp
US 8.8.8.8:53 UVQppgStQh.nnnn.eu.org udp

Files

memory/1988-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Windows\Debug\ayahost.exe

MD5 32423508eb6177b4ec2fa4d5d65bc92d
SHA1 acd1994e70cc5d8cd7b0ccf8fe95bd63c0e9cb93
SHA256 ee361f267f7ea6d8406ed66356fa59afaf9e3f43590b42610dd380250f6693e5
SHA512 2e2d4d6fb064e0532d717f63be376c41817b198f0e357d38e281395fdac2fda916778928a91501413390d4121b7f22d7b1cc8f6bc70eb7138bd9122228212bbb

memory/2140-5-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1988-6-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2140-7-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 04:44

Reported

2024-06-03 04:47

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe"

Signatures

Sets file to hidden

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Debug\ywshost.exe N/A

UPX packed file

upx
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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Debug\ywshost.exe C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A
File opened for modification C:\Windows\Debug\ywshost.exe C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A
File opened for modification C:\Windows\Debug\ywshost.exe C:\Windows\SysWOW64\attrib.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe N/A

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\9bf2798cf2bbbd38ac03b227ddea25f0_NeikiAnalytics.exe"

C:\Windows\SysWOW64\attrib.exe

attrib +a +s +h +r C:\Windows\Debug\ywshost.exe

C:\Windows\Debug\ywshost.exe

C:\Windows\Debug\ywshost.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9BF279~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 G6kJYu0q.nnnn.eu.org udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 nJztsbEpXN.nnnn.eu.org udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 QLIfVuujaR.nnnn.eu.org udp
US 8.8.8.8:53 02UrHOOrof.nnnn.eu.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 ai2YMrTYt.nnnn.eu.org udp

Files

memory/4144-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Windows\debug\ywshost.exe

MD5 61b9902e2936a0527bda586e83ad4f2c
SHA1 de060e7f9adf1fd33763e89153765e9aa1fe1fa8
SHA256 23ddfa2b812320839d5efa3f7de71d89763f769a2a93c2e27dff77bfd0ee478f
SHA512 83dfc5b0823da87b51c34fbbc452fe200b34463ea00f641234682b2bafbd6fc5a2eca457235d480e7dafb996047913877244b6043c108d11d8eaf4166f5763d2

memory/1292-5-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4144-6-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1292-7-0x0000000000400000-0x0000000000414000-memory.dmp