Malware Analysis Report

2025-08-10 14:57

Sample ID 241112-n97xgs1ncy
Target acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe
SHA256 acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1
Tags
discovery persistence privilege_escalation
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

acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1

Threat Level: Likely malicious

The file acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe was found to be: Likely malicious.

Malicious Activity Summary

discovery persistence privilege_escalation

Event Triggered Execution: AppInit DLLs

Executes dropped EXE

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 12:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 12:06

Reported

2024-11-12 12:09

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe"

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

Executes dropped EXE

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\jddgeih.dll C:\PROGRA~3\Mozilla\whmlgxa.exe N/A
File created C:\PROGRA~3\Mozilla\whmlgxa.exe C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\whmlgxa.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe N/A
N/A N/A C:\PROGRA~3\Mozilla\whmlgxa.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2280 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\whmlgxa.exe
PID 2280 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\whmlgxa.exe
PID 2280 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\whmlgxa.exe
PID 2280 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\whmlgxa.exe

Processes

C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe

"C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {0613C2EB-9BA0-4690-B913-E1E64479DE67} S-1-5-18:NT AUTHORITY\System:Service:

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

C:\PROGRA~3\Mozilla\whmlgxa.exe -yvexadc

Network

N/A

Files

memory/2124-0-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2124-2-0x00000000002E0000-0x000000000033C000-memory.dmp

memory/2124-1-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2124-4-0x0000000000400000-0x000000000045B000-memory.dmp

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

MD5 f51b4814ef61fa73fc87074dd8c40955
SHA1 006621bda2cd809fbc46a83c319b76193e0a9678
SHA256 4ba1d94a867ebc2ecde7a91a81986ee58ffac6676a549d821e45320ad15f1ae6
SHA512 d85a10615554023a1c8e6dd68ea534b625a032e0aed6f469e2f575ff4b52d8736e28c953bc978c4b7549a0cdaa13c2a4892ae3dd8bdfd51029614c578295fed2

memory/856-7-0x0000000000400000-0x000000000045B000-memory.dmp

memory/856-8-0x00000000008C0000-0x000000000091C000-memory.dmp

memory/856-9-0x0000000000400000-0x000000000045B000-memory.dmp

memory/856-11-0x0000000000400000-0x000000000045B000-memory.dmp

memory/856-12-0x00000000008C0000-0x000000000091C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 12:06

Reported

2024-11-12 12:09

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe"

Signatures

Executes dropped EXE

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\oevgipl.exe C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\PROGRA~3\Mozilla\oevgipl.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\PROGRA~3\Mozilla\oevgipl.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe

"C:\Users\Admin\AppData\Local\Temp\acddc4e0d2487f1325cc97fbc64d73b29f1c1cd95aa10552c3a73e119caab9d1.exe"

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

C:\PROGRA~3\Mozilla\oevgipl.exe -gsmgbug

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4836 -ip 4836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 448

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1996-0-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1996-1-0x00000000021D0000-0x000000000222C000-memory.dmp

memory/1996-2-0x0000000000400000-0x000000000045B000-memory.dmp

C:\ProgramData\Mozilla\oevgipl.exe

MD5 df148051cb05cf68d1b0395dc4c6c3dd
SHA1 d20f2b56d550c127fa337008549c7e07eff9259d
SHA256 b65337731757447ad1390aec9c9480b00c0d9a59d5e74502bea59b825b84381e
SHA512 228a66f5dcbcf7dd55f8151cb04be486a2a17fee8f93eefeea2a2f0eaf0016dcafbcc961c7d9297ce4b9ef7c430322240ba489c6a13004322f358bd9938c17cb

memory/1996-8-0x00000000021D0000-0x000000000222C000-memory.dmp

memory/1996-6-0x0000000000400000-0x000000000045B000-memory.dmp

memory/4836-9-0x0000000000400000-0x000000000045B000-memory.dmp