Malware Analysis Report

2025-03-14 23:13

Sample ID 240406-3qqanaed81
Target 9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23
SHA256 9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23
Tags
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

9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23

Threat Level: Likely malicious

The file 9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23 was found to be: Likely malicious.

Malicious Activity Summary

persistence

Modifies AppInit DLL entries

Executes dropped EXE

Drops file in Program Files directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 23:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 23:43

Reported

2024-04-06 23:45

Platform

win7-20240221-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe"

Signatures

Modifies AppInit DLL entries

persistence

Executes dropped EXE

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\tbckyxk.exe C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe N/A
File created C:\PROGRA~3\Mozilla\newtrln.dll C:\PROGRA~3\Mozilla\tbckyxk.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2588 wrote to memory of 2868 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\tbckyxk.exe
PID 2588 wrote to memory of 2868 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\tbckyxk.exe
PID 2588 wrote to memory of 2868 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\tbckyxk.exe
PID 2588 wrote to memory of 2868 N/A C:\Windows\system32\taskeng.exe C:\PROGRA~3\Mozilla\tbckyxk.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe

"C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {1B6D87F9-4264-401C-AEAE-80E531A72A52} S-1-5-18:NT AUTHORITY\System:Service:

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

C:\PROGRA~3\Mozilla\tbckyxk.exe -gqpcbye

Network

N/A

Files

memory/2240-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2240-1-0x0000000000320000-0x000000000037B000-memory.dmp

memory/2240-7-0x0000000000400000-0x0000000000427000-memory.dmp

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

MD5 6440e3caf1df162d97c07e852c41d013
SHA1 130b51dc9f3b9e6b9260df0c1ea6826d7aa4524b
SHA256 5c9c32a762dde4debc7dcf74b440c7c01a7fbb9190dc7a334bc19ba09608c430
SHA512 e82c26a8f2eeaab6ace8d565e4c056ec457885b4d80df1149343ff2f904816fa47857f9d6def19f69a0ae67f7854d52a8695b70d05b7fd5d4d9a06ab46a3775e

memory/2868-10-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2868-11-0x0000000000920000-0x000000000097B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 23:43

Reported

2024-04-06 23:45

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe"

Signatures

Modifies AppInit DLL entries

persistence

Executes dropped EXE

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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\Mozilla\qhdqeom.exe C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe N/A
File created C:\PROGRA~3\Mozilla\ijdurdi.dll C:\PROGRA~3\Mozilla\qhdqeom.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe

"C:\Users\Admin\AppData\Local\Temp\9bb3a95013581a261f59df15f3a7f46696b5ebd9189a653545f2f752bb84ce23.exe"

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

C:\PROGRA~3\Mozilla\qhdqeom.exe -tgbfvga

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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2388-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2388-1-0x0000000000690000-0x00000000006EB000-memory.dmp

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

MD5 afcd8bd80da07f2eb10ff635fd9acabd
SHA1 449b58eaed52f99e5d19bd539203a52088e09594
SHA256 8ad482faf6b4ffec9ad40cc932dcfeed298238074e9b13a816ba16f4e53e0bd0
SHA512 40603e12f0fe49623de4c10be1e540105dbcacf8ceaa4dc82e00a8286150e8a47ec8591d49409f28812d78c9f0fe0431bca56bdff7dcba629a1c4098f9a89ce4

memory/2388-9-0x0000000000400000-0x0000000000427000-memory.dmp

memory/4856-10-0x0000000000400000-0x0000000000427000-memory.dmp

memory/4856-11-0x0000000000760000-0x00000000007BB000-memory.dmp

memory/4856-17-0x0000000000400000-0x0000000000427000-memory.dmp