Malware Analysis Report

2025-03-15 05:43

Sample ID 240509-d53rvsgd8x
Target e104e723d4e09406858176885e43e0b0_NEIKI
SHA256 96d4c30ce6f5d463d5602a37ec87a3c018f5c15a478ce160bfe16a06f712a0f2
Tags
aspackv2 persistence
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

96d4c30ce6f5d463d5602a37ec87a3c018f5c15a478ce160bfe16a06f712a0f2

Threat Level: Likely malicious

The file e104e723d4e09406858176885e43e0b0_NEIKI was found to be: Likely malicious.

Malicious Activity Summary

aspackv2 persistence

Modifies AppInit DLL entries

Executes dropped EXE

ASPack v2.12-2.42

Drops file in Program Files directory

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 03:36

Signatures

ASPack v2.12-2.42

aspackv2
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

2024-05-09 03:36

Reported

2024-05-09 03:38

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe"

Signatures

Modifies AppInit DLL entries

persistence

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\PROGRA~3\Mozilla\dbilzqh.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\dbilzqh.exe C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe N/A
File created C:\PROGRA~3\Mozilla\zxoabnc.dll C:\PROGRA~3\Mozilla\dbilzqh.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe N/A
N/A N/A C:\PROGRA~3\Mozilla\dbilzqh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2884 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\dbilzqh.exe
PID 2884 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\dbilzqh.exe
PID 2884 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\dbilzqh.exe
PID 2884 wrote to memory of 2508 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\dbilzqh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {CFD4E13B-807C-434A-908C-1B56D665A89B} S-1-5-18:NT AUTHORITY\System:Service:

C:\PROGRA~3\Mozilla\dbilzqh.exe

C:\PROGRA~3\Mozilla\dbilzqh.exe -kwinamg

Network

N/A

Files

memory/1876-0-0x0000000000400000-0x0000000000469000-memory.dmp

memory/1876-2-0x0000000000442000-0x0000000000443000-memory.dmp

memory/1876-1-0x0000000000400000-0x0000000000469000-memory.dmp

memory/1876-3-0x0000000000250000-0x00000000002AC000-memory.dmp

memory/1876-4-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1876-6-0x0000000000400000-0x000000000045B000-memory.dmp

C:\PROGRA~3\Mozilla\dbilzqh.exe

MD5 ca30871b67f0c7d779f3680bf5a52c0a
SHA1 84a6b084e97829b3350f20b4b548f2bf7283bffd
SHA256 92e56462fcb6c6529987b736f30ebb9a159f8f17303b03374d4ef358048bf6ee
SHA512 3cd347171cdc6f8521eaa5dcb6dd3925db4665ce001a8cb0c77ed859bf24f17f5c60c497f620ff631daa9a5aa6667c022b8059ffaa0b9d2652a17e88116f2f8b

memory/2508-9-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2508-10-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2508-11-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2508-12-0x00000000008A0000-0x00000000008FC000-memory.dmp

memory/2508-13-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2508-15-0x0000000000400000-0x000000000045B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 03:36

Reported

2024-05-09 03:38

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe"

Signatures

Modifies AppInit DLL entries

persistence

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\PROGRA~3\Mozilla\onvmijj.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\onvmijj.exe C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe N/A
File created C:\PROGRA~3\Mozilla\gmzywaj.dll C:\PROGRA~3\Mozilla\onvmijj.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\e104e723d4e09406858176885e43e0b0_NEIKI.exe"

C:\PROGRA~3\Mozilla\onvmijj.exe

C:\PROGRA~3\Mozilla\onvmijj.exe -ibpmpgd

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/772-0-0x0000000000400000-0x0000000000469000-memory.dmp

memory/772-1-0x0000000000400000-0x0000000000469000-memory.dmp

memory/772-2-0x0000000000442000-0x0000000000443000-memory.dmp

memory/772-3-0x0000000000400000-0x0000000000469000-memory.dmp

memory/772-4-0x0000000000400000-0x0000000000469000-memory.dmp

C:\ProgramData\Mozilla\onvmijj.exe

MD5 02846dd202d0d2c59c27749cfa1dcc78
SHA1 4b48205fcad79bd071f9c0d24e0827d2e4fd0c27
SHA256 bd0dcb915cfae4a3e68560024ed751e3996d85bf2879b97e7d3295b2f9e9edbe
SHA512 6661a5b8b73d728507b0346575c718f1dc074ffb5551c1756596c7dc17f9f11626f2480f1db2af82a05a78c9f85af1a048bccbba2b66bb91e778372c226963d5

memory/772-8-0x0000000000400000-0x000000000045B000-memory.dmp

memory/4396-10-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4396-11-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4396-12-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4396-13-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4396-16-0x0000000000400000-0x000000000045B000-memory.dmp