Malware Analysis Report

2025-05-05 23:47

Sample ID 230208-1dx4maga9z
Target ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll
SHA256 ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94
Tags
bb14 1675848844 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

ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94

Threat Level: Known bad

The file ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll was found to be: Known bad.

Malicious Activity Summary

bb14 1675848844 qakbot

Qakbot family

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-08 21:32

Signatures

Qakbot family

qakbot

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-08 21:32

Reported

2023-02-08 21:35

Platform

win7-20220812-en

Max time kernel

43s

Max time network

46s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

Signatures

Program crash

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2008 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 908 wrote to memory of 1092 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 908 wrote to memory of 1092 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 908 wrote to memory of 1092 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 908 wrote to memory of 1092 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 908 wrote to memory of 1744 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 908 wrote to memory of 1744 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 908 wrote to memory of 1744 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 908 wrote to memory of 1744 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 908 -s 360

Network

N/A

Files

memory/908-54-0x0000000000000000-mapping.dmp

memory/908-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

memory/1744-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-08 21:32

Reported

2023-02-08 21:35

Platform

win10v2004-20221111-en

Max time kernel

133s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

Signatures

Program crash

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4276 wrote to memory of 4700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4276 wrote to memory of 4700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4276 wrote to memory of 4700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4700 wrote to memory of 1856 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4700 wrote to memory of 1856 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe
PID 4700 wrote to memory of 1856 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\wermgr.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab431fe12211c9244be3e4bf7539c95a1fa77676bb68b6f454002969509c6e94.dll,#1

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4700 -ip 4700

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 768

Network

Country Destination Domain Proto
AU 104.46.162.226:443 tcp
NL 8.238.21.126:80 tcp
NL 104.80.225.205:443 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
NL 8.253.208.120:80 tcp

Files

memory/4700-132-0x0000000000000000-mapping.dmp