Malware Analysis Report

2025-06-15 21:57

Sample ID 221225-xxjhssfb41
Target ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221
SHA256 fccc3b8c4a85221cef99b7c43604c9044b7492fd0d658e4943f9b68dba3ff80a
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

fccc3b8c4a85221cef99b7c43604c9044b7492fd0d658e4943f9b68dba3ff80a

Threat Level: Known bad

The file ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221 was found to be: Known bad.

Malicious Activity Summary

qakbot bb 1663148750 banker stealer trojan

Qakbot/Qbot

Program crash

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 19:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-25 19:13

Reported

2022-12-25 19:16

Platform

win7-20221111-en

Max time kernel

41s

Max time network

34s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.dll

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Program crash

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.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 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 900 wrote to memory of 1772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1772 wrote to memory of 1700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1700 wrote to memory of 1404 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1700 wrote to memory of 1404 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1700 wrote to memory of 1404 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1700 wrote to memory of 1404 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 404

Network

N/A

Files

memory/900-54-0x000007FEFB941000-0x000007FEFB943000-memory.dmp

memory/1772-55-0x0000000000000000-mapping.dmp

memory/1772-56-0x00000000757E1000-0x00000000757E3000-memory.dmp

memory/1772-57-0x0000000000210000-0x0000000000232000-memory.dmp

memory/1772-59-0x0000000000210000-0x0000000000232000-memory.dmp

memory/1700-60-0x0000000000000000-mapping.dmp

memory/1700-62-0x00000000742D1000-0x00000000742D3000-memory.dmp

memory/1772-63-0x0000000000210000-0x0000000000232000-memory.dmp

memory/1700-64-0x00000000000C0000-0x00000000000E2000-memory.dmp

memory/1404-65-0x0000000000000000-mapping.dmp

memory/1700-66-0x00000000000C0000-0x00000000000E2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-25 19:13

Reported

2022-12-25 19:16

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.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\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\ff1c92c459b2dcdf75a2eb47d15653a4e15d04379ca7bd60030bbb020189d221.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 20:16 /tn femxfxc /ET 20:27 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAZgBmADEAYwA5ADIAYwA0ADUAOQBiADIAZABjAGQAZgA3ADUAYQAyAGUAYgA0ADcAZAAxADUANgA1ADMAYQA0AGUAMQA1AGQAMAA0ADMANwA5AGMAYQA3AGIAZAA2ADAAMAAzADAAYgBiAGIAMAAyADAAMQA4ADkAZAAyADIAMQAuAGQAbABsACIA" /SC ONCE

Network

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

Files

memory/4920-132-0x0000000000000000-mapping.dmp

memory/4920-133-0x0000000001220000-0x0000000001242000-memory.dmp

memory/64-134-0x0000000000000000-mapping.dmp

memory/4920-135-0x0000000001220000-0x0000000001242000-memory.dmp

memory/64-136-0x00000000012A0000-0x00000000012C2000-memory.dmp

memory/4240-137-0x0000000000000000-mapping.dmp

memory/64-138-0x00000000012A0000-0x00000000012C2000-memory.dmp