Malware Analysis Report

2025-05-28 17:34

Sample ID 230104-xyydcahd38
Target 147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597
SHA256 961c1f28411d6347e132ce40fafc9bb4f35045a155099267ad79e7ee47170978
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

961c1f28411d6347e132ce40fafc9bb4f35045a155099267ad79e7ee47170978

Threat Level: Known bad

The file 147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597 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

2023-01-04 19:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-04 19:16

Reported

2023-01-04 19:18

Platform

win7-20220812-en

Max time kernel

49s

Max time network

45s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.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 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1460 wrote to memory of 1964 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 1644 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1644 wrote to memory of 1548 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1644 wrote to memory of 1548 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1644 wrote to memory of 1548 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1644 wrote to memory of 1548 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\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 408

Network

N/A

Files

memory/1460-54-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

memory/1964-55-0x0000000000000000-mapping.dmp

memory/1964-56-0x0000000075F81000-0x0000000075F83000-memory.dmp

memory/1964-57-0x0000000000180000-0x00000000001A2000-memory.dmp

memory/1964-59-0x0000000000180000-0x00000000001A2000-memory.dmp

memory/1644-60-0x0000000000000000-mapping.dmp

memory/1644-62-0x0000000074BE1000-0x0000000074BE3000-memory.dmp

memory/1964-63-0x0000000000180000-0x00000000001A2000-memory.dmp

memory/1644-64-0x0000000000080000-0x00000000000A2000-memory.dmp

memory/1548-65-0x0000000000000000-mapping.dmp

memory/1644-66-0x0000000000080000-0x00000000000A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-04 19:16

Reported

2023-01-04 19:18

Platform

win10v2004-20220901-en

Max time kernel

150s

Max time network

115s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.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\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\147e7bb357653fe8113ef78f16bb6e5afa437b7e01c8925b4f9a26b690fcc597.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 19:18 /tn yhlnlgtqj /ET 19:29 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQA0ADcAZQA3AGIAYgAzADUANwA2ADUAMwBmAGUAOAAxADEAMwBlAGYANwA4AGYAMQA2AGIAYgA2AGUANQBhAGYAYQA0ADMANwBiADcAZQAwADEAYwA4ADkAMgA1AGIANABmADkAYQAyADYAYgA2ADkAMABmAGMAYwA1ADkANwAuAGQAbABsACIA" /SC ONCE

Network

Country Destination Domain Proto
N/A 20.189.173.12:443 tcp

Files

memory/4184-132-0x0000000000000000-mapping.dmp

memory/4184-133-0x0000000002D60000-0x0000000002D82000-memory.dmp

memory/2292-134-0x0000000000000000-mapping.dmp

memory/4184-135-0x0000000002D60000-0x0000000002D82000-memory.dmp

memory/2292-136-0x0000000000240000-0x0000000000262000-memory.dmp

memory/4456-137-0x0000000000000000-mapping.dmp

memory/2292-138-0x0000000000240000-0x0000000000262000-memory.dmp