Malware Analysis Report

2025-05-28 17:32

Sample ID 230104-trm29agg92
Target c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066
SHA256 4dcb609768506a98b9bcab70ab35f7fb5f591d435d97338c738940b99c58c33a
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

4dcb609768506a98b9bcab70ab35f7fb5f591d435d97338c738940b99c58c33a

Threat Level: Known bad

The file c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066 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 16:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-04 16:17

Reported

2023-01-04 16:20

Platform

win7-20221111-en

Max time kernel

41s

Max time network

33s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.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 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 940 wrote to memory of 936 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 936 wrote to memory of 1212 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1212 wrote to memory of 268 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1212 wrote to memory of 268 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1212 wrote to memory of 268 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1212 wrote to memory of 268 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\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 408

Network

N/A

Files

memory/940-54-0x000007FEFB691000-0x000007FEFB693000-memory.dmp

memory/936-55-0x0000000000000000-mapping.dmp

memory/936-56-0x0000000074ED1000-0x0000000074ED3000-memory.dmp

memory/936-57-0x0000000000170000-0x0000000000192000-memory.dmp

memory/936-59-0x0000000000170000-0x0000000000192000-memory.dmp

memory/1212-60-0x0000000000000000-mapping.dmp

memory/1212-62-0x0000000074021000-0x0000000074023000-memory.dmp

memory/936-63-0x0000000000170000-0x0000000000192000-memory.dmp

memory/1212-64-0x0000000000080000-0x00000000000A2000-memory.dmp

memory/268-65-0x0000000000000000-mapping.dmp

memory/1212-66-0x0000000000080000-0x00000000000A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-04 16:17

Reported

2023-01-04 16:20

Platform

win10v2004-20221111-en

Max time kernel

150s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.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\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c3a5acce1340adfd8a408f6cfde7ba7389ee34e0cd7b9f19a54e95ba26f37066.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 17:19 /tn pgoggtkayp /ET 17:30 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYwAzAGEANQBhAGMAYwBlADEAMwA0ADAAYQBkAGYAZAA4AGEANAAwADgAZgA2AGMAZgBkAGUANwBiAGEANwAzADgAOQBlAGUAMwA0AGUAMABjAGQANwBiADkAZgAxADkAYQA1ADQAZQA5ADUAYgBhADIANgBmADMANwAwADYANgAuAGQAbABsACIA" /SC ONCE

Network

Country Destination Domain Proto
N/A 104.208.16.90:443 tcp
N/A 67.27.153.254:80 tcp
N/A 67.27.153.254:80 tcp
N/A 104.80.225.205:443 tcp

Files

memory/4916-132-0x0000000000000000-mapping.dmp

memory/4916-133-0x0000000000790000-0x00000000007B2000-memory.dmp

memory/3468-134-0x0000000000000000-mapping.dmp

memory/4916-135-0x0000000000790000-0x00000000007B2000-memory.dmp

memory/3460-136-0x0000000000000000-mapping.dmp

memory/3468-137-0x0000000000C80000-0x0000000000CA2000-memory.dmp

memory/3468-138-0x0000000000C80000-0x0000000000CA2000-memory.dmp