Malware Analysis Report

2025-06-15 21:57

Sample ID 221225-t2vj3sbg43
Target bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b
SHA256 0bcb3faf089a04cb4588ba357ca09c6d2f25a8b66fc4255be2638182f1ae6053
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

0bcb3faf089a04cb4588ba357ca09c6d2f25a8b66fc4255be2638182f1ae6053

Threat Level: Known bad

The file bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b was found to be: Known bad.

Malicious Activity Summary

qakbot bb 1663148750 banker stealer trojan

Qakbot/Qbot

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-12-25 16:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-25 16:33

Reported

2022-12-25 16:36

Platform

win7-20221111-en

Max time kernel

39s

Max time network

33s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.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 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 624 wrote to memory of 1736 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 1000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1000 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1000 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1000 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1000 wrote to memory of 668 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\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 408

Network

N/A

Files

memory/624-54-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

memory/1736-55-0x0000000000000000-mapping.dmp

memory/1736-56-0x0000000075F01000-0x0000000075F03000-memory.dmp

memory/1736-57-0x00000000001A0000-0x00000000001C2000-memory.dmp

memory/1736-59-0x00000000001A0000-0x00000000001C2000-memory.dmp

memory/1000-60-0x0000000000000000-mapping.dmp

memory/1000-62-0x00000000747D1000-0x00000000747D3000-memory.dmp

memory/1736-63-0x00000000001A0000-0x00000000001C2000-memory.dmp

memory/1000-64-0x0000000000370000-0x0000000000392000-memory.dmp

memory/668-65-0x0000000000000000-mapping.dmp

memory/1000-66-0x0000000000370000-0x0000000000392000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-25 16:33

Reported

2022-12-25 16:36

Platform

win10v2004-20220812-en

Max time kernel

149s

Max time network

126s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.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\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\bbf889fd98a557f0cfc01b19ed4ce344b1f5c384847843aa2c7d12664f0f093b.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 17:35 /tn czpzpsznmn /ET 17:46 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYgBiAGYAOAA4ADkAZgBkADkAOABhADUANQA3AGYAMABjAGYAYwAwADEAYgAxADkAZQBkADQAYwBlADMANAA0AGIAMQBmADUAYwAzADgANAA4ADQANwA4ADQAMwBhAGEAMgBjADcAZAAxADIANgA2ADQAZgAwAGYAMAA5ADMAYgAuAGQAbABsACIA" /SC ONCE

Network

Country Destination Domain Proto
N/A 209.197.3.8:80 tcp
N/A 51.116.253.168:443 tcp
N/A 209.197.3.8:80 tcp
N/A 209.197.3.8:80 tcp
N/A 104.80.225.205:443 tcp
N/A 93.184.220.29:80 tcp

Files

memory/3064-132-0x0000000000000000-mapping.dmp

memory/3064-133-0x0000000002940000-0x0000000002962000-memory.dmp

memory/2516-134-0x0000000000000000-mapping.dmp

memory/3064-135-0x0000000002940000-0x0000000002962000-memory.dmp

memory/4756-136-0x0000000000000000-mapping.dmp

memory/2516-137-0x0000000000EB0000-0x0000000000ED2000-memory.dmp

memory/2516-138-0x0000000000EB0000-0x0000000000ED2000-memory.dmp