Malware Analysis Report

2025-05-05 23:44

Sample ID 230203-dfbbbaab83
Target eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll
SHA256 eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f
Tags
qakbot
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
10/10

SHA256

eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f

Threat Level: Known bad

The file eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll was found to be: Known bad.

Malicious Activity Summary

qakbot

Qakbot family

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-03 02:56

Signatures

Qakbot family

qakbot

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-03 02:56

Reported

2023-02-03 02:59

Platform

win7-20220812-en

Max time kernel

40s

Max time network

46s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

Network

N/A

Files

memory/1784-54-0x0000000000000000-mapping.dmp

memory/1784-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-03 02:56

Reported

2023-02-03 02:59

Platform

win10v2004-20220901-en

Max time kernel

91s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4864 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4864 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4864 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\eefd1d2481a021bcbebcde7c650cd083fbd6fc305cc651d02aefccb7ee27859f.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2068 -ip 2068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 588

Network

Country Destination Domain Proto
US 13.89.179.9:443 tcp
NL 104.80.225.205:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/2068-132-0x0000000000000000-mapping.dmp