Malware Analysis Report

2025-01-18 01:59

Sample ID 240613-jmhlvszdje
Target 6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.exe
SHA256 99e86e169b9876c159489dd8b51b079e3e5c8cae0852eb1795b3345f6d0b2d78
Tags
persistence
score
7/10

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
7/10

SHA256

99e86e169b9876c159489dd8b51b079e3e5c8cae0852eb1795b3345f6d0b2d78

Threat Level: Shows suspicious behavior

The file 6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Deletes itself

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer Protected Mode Banner

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies Internet Explorer Protected Mode

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 07:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 07:47

Reported

2024-06-13 07:49

Platform

win7-20240611-en

Max time kernel

145s

Max time network

122s

Command Line

C:\Windows\System32\spoolsv.exe

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\AokoFzeza = "regsvr32.exe \"C:\\ProgramData\\AokoFzeza\\WucdUdemo.spe\"" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\AokoFzeza = "regsvr32.exe \"C:\\ProgramData\\AokoFzeza\\WucdUdemo.spe\"" C:\Windows\Explorer.EXE N/A

Modifies Internet Explorer Protected Mode

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\Explorer.EXE N/A

Modifies Internet Explorer Protected Mode Banner

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" C:\Windows\Explorer.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\Explorer.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\TabProcGrowth = "0" C:\Windows\Explorer.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeDebugPrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 2024 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 968 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\System32\spoolsv.exe
PID 2024 wrote to memory of 968 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\System32\spoolsv.exe
PID 2024 wrote to memory of 1356 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\Explorer.EXE
PID 2024 wrote to memory of 1356 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\Explorer.EXE
PID 2024 wrote to memory of 2064 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\sppsvc.exe
PID 2024 wrote to memory of 2064 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\sppsvc.exe

Processes

C:\Windows\System32\spoolsv.exe

C:\Windows\System32\spoolsv.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\sppsvc.exe

C:\Windows\system32\sppsvc.exe

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\regsvr32.exe

regsvr32.exe "C:\Users\Admin\AppData\Local\Temp\\~0F7660A6.tmp"

Network

N/A

Files

memory/1896-0-0x00000000748B7000-0x00000000748BA000-memory.dmp

memory/1896-1-0x00000000748B0000-0x00000000748FD000-memory.dmp

memory/1896-6-0x00000000000C0000-0x00000000000C2000-memory.dmp

memory/1896-8-0x00000000748B7000-0x00000000748BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~0F7660A6.tmp

MD5 e41dfac66500b50f5d47ff6d559cb83c
SHA1 6b17014793ae1e55e105dbccd91e28ef055b4d6f
SHA256 9d3f8c0207a81d011a003fa6f227b5e822d1d3b460bd44b44b7604cd9369cf57
SHA512 5302d5503b3041977361824e11dc8ea277c6d5c450c01910f13842b24a752c79c3eb7c7c5d1ea66c3ead99023494cef583b3b471cf201dbaf5dd35309b22f8c1

memory/2024-11-0x0000000010002000-0x0000000010005000-memory.dmp

memory/2024-12-0x0000000010000000-0x000000001003B000-memory.dmp

memory/2024-17-0x0000000000230000-0x0000000000232000-memory.dmp

memory/968-19-0x0000000001C50000-0x0000000001CA5000-memory.dmp

memory/1356-23-0x00000000025B0000-0x0000000002605000-memory.dmp

memory/1356-22-0x00000000770B0000-0x00000000770B1000-memory.dmp

memory/1356-24-0x000007FFFFF00000-0x000007FFFFF6D000-memory.dmp

memory/1356-29-0x000007FFFFF00000-0x000007FFFFF6D000-memory.dmp

memory/1356-28-0x000007FFFFF00000-0x000007FFFFF6D000-memory.dmp

memory/1356-26-0x000007FFFFF00000-0x000007FFFFF6D000-memory.dmp

memory/2024-30-0x0000000010002000-0x0000000010005000-memory.dmp

memory/1356-31-0x000007FFFFF00000-0x000007FFFFF6D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 07:47

Reported

2024-06-13 07:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"fontdrvhost.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IazoDupov = "regsvr32.exe \"C:\\ProgramData\\IazoDupov\\ZezoCoya.kmx\"" C:\Windows\SysWOW64\regsvr32.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a36aaa9c1ee17727323df6ea6b045f0_NeikiAnalytics.dll,#1

C:\Windows\SysWOW64\regsvr32.exe

regsvr32.exe "C:\Users\Admin\AppData\Local\Temp\\~0E574B13.tmp"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3080 -ip 3080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 840

Network

Country Destination Domain Proto
US 52.111.229.43:443 tcp

Files

memory/4220-0-0x0000000074B67000-0x0000000074B6A000-memory.dmp

memory/4220-2-0x0000000074B60000-0x0000000074BAD000-memory.dmp

memory/4220-6-0x0000000074B60000-0x0000000074BBC000-memory.dmp

memory/4220-10-0x0000000074B60000-0x0000000074BAD000-memory.dmp

memory/4220-9-0x0000000074B67000-0x0000000074B6A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~0E574B13.tmp

MD5 e41dfac66500b50f5d47ff6d559cb83c
SHA1 6b17014793ae1e55e105dbccd91e28ef055b4d6f
SHA256 9d3f8c0207a81d011a003fa6f227b5e822d1d3b460bd44b44b7604cd9369cf57
SHA512 5302d5503b3041977361824e11dc8ea277c6d5c450c01910f13842b24a752c79c3eb7c7c5d1ea66c3ead99023494cef583b3b471cf201dbaf5dd35309b22f8c1

memory/3080-13-0x0000000074B30000-0x0000000074BA4000-memory.dmp

memory/3080-15-0x0000000010000000-0x000000001003B000-memory.dmp

memory/3080-21-0x0000000003580000-0x0000000003849000-memory.dmp