Malware Analysis Report

2025-06-15 21:57

Sample ID 221225-zdj2bsca78
Target bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b
SHA256 50693c90035e1c1b3a28553b8613960f13bb426987e64aa9407d0553d23f9f8c
Tags
qakbot bb 1663148750 banker stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

50693c90035e1c1b3a28553b8613960f13bb426987e64aa9407d0553d23f9f8c

Threat Level: Known bad

The file bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b was found to be: Known bad.

Malicious Activity Summary

qakbot bb 1663148750 banker stealer trojan

Qakbot/Qbot

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-25 20:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-25 20:36

Reported

2022-12-25 20:38

Platform

win7-20221111-en

Max time kernel

150s

Max time network

33s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1672 wrote to memory of 1668 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1668 wrote to memory of 1608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1608 wrote to memory of 468 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1608 wrote to memory of 468 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1608 wrote to memory of 468 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe
PID 1608 wrote to memory of 468 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 21:38 /tn yhtxyzihyv /ET 21:49 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYgBmAGYAZgA4ADMANwAwADIAZgA1AGUAZAA3ADYAZQAyADYAMABkADkAOQBhAGIAYgBjADIAOQAxAGIAYgA2ADIAMAA1ADgAZgA2AGEANwAyADAAZABlADYAOQA1AGYANABkAGEANgA4AGMAMwAxADYAYwBiADEAYwBlADQAYgAuAGQAbABsACIA" /SC ONCE

Network

N/A

Files

memory/1672-54-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

memory/1668-55-0x0000000000000000-mapping.dmp

memory/1668-56-0x0000000075C81000-0x0000000075C83000-memory.dmp

memory/1668-57-0x0000000000160000-0x0000000000182000-memory.dmp

memory/1668-59-0x0000000000160000-0x0000000000182000-memory.dmp

memory/1608-60-0x0000000000000000-mapping.dmp

memory/1608-62-0x0000000074C51000-0x0000000074C53000-memory.dmp

memory/1668-63-0x0000000000160000-0x0000000000182000-memory.dmp

memory/1608-64-0x0000000000080000-0x00000000000A2000-memory.dmp

memory/468-65-0x0000000000000000-mapping.dmp

memory/1608-66-0x0000000000080000-0x00000000000A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-25 20:36

Reported

2022-12-25 20:38

Platform

win10v2004-20220812-en

Max time kernel

149s

Max time network

146s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\bfff83702f5ed76e260d99abbc291bb62058f6a720de695f4da68c316cb1ce4b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 21:38 /tn edtlwpxrk /ET 21:49 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYgBmAGYAZgA4ADMANwAwADIAZgA1AGUAZAA3ADYAZQAyADYAMABkADkAOQBhAGIAYgBjADIAOQAxAGIAYgA2ADIAMAA1ADgAZgA2AGEANwAyADAAZABlADYAOQA1AGYANABkAGEANgA4AGMAMwAxADYAYwBiADEAYwBlADQAYgAuAGQAbABsACIA" /SC ONCE

Network

Country Destination Domain Proto
N/A 93.184.220.29:80 tcp
N/A 8.253.208.113:80 tcp
N/A 8.253.208.113:80 tcp
N/A 8.253.208.113:80 tcp
N/A 8.253.208.113:80 tcp
N/A 104.80.225.205:443 tcp

Files

memory/1952-132-0x0000000000000000-mapping.dmp

memory/1952-133-0x0000000001330000-0x0000000001352000-memory.dmp

memory/4952-134-0x0000000000000000-mapping.dmp

memory/1952-135-0x0000000001330000-0x0000000001352000-memory.dmp

memory/2600-136-0x0000000000000000-mapping.dmp

memory/4952-137-0x0000000000CF0000-0x0000000000D12000-memory.dmp

memory/4952-138-0x0000000000CF0000-0x0000000000D12000-memory.dmp