Malware Analysis Report

2025-06-15 21:57

Sample ID 221225-yn8l1aca57
Target d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b
SHA256 6f2901435bf64526b3e930448ee13364e71ce238ddf67ab2a335518b65f401f0
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

6f2901435bf64526b3e930448ee13364e71ce238ddf67ab2a335518b65f401f0

Threat Level: Known bad

The file d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b 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 19:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-12-25 19:57

Reported

2022-12-25 19:59

Platform

win7-20220812-en

Max time kernel

48s

Max time network

46s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.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 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1212 wrote to memory of 1224 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 1224 wrote to memory of 952 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\explorer.exe
PID 952 wrote to memory of 1588 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 952 wrote to memory of 1588 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 952 wrote to memory of 1588 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 952 wrote to memory of 1588 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\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.dll

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 408

Network

N/A

Files

memory/1212-54-0x000007FEFC581000-0x000007FEFC583000-memory.dmp

memory/1224-55-0x0000000000000000-mapping.dmp

memory/1224-56-0x0000000076711000-0x0000000076713000-memory.dmp

memory/1224-57-0x0000000000190000-0x00000000001B2000-memory.dmp

memory/1224-59-0x0000000000190000-0x0000000000210000-memory.dmp

memory/1224-60-0x0000000000190000-0x0000000000210000-memory.dmp

memory/952-61-0x0000000000000000-mapping.dmp

memory/952-63-0x0000000074D71000-0x0000000074D73000-memory.dmp

memory/1224-64-0x0000000000190000-0x00000000001B2000-memory.dmp

memory/952-65-0x0000000000380000-0x00000000003A2000-memory.dmp

memory/1588-66-0x0000000000000000-mapping.dmp

memory/952-67-0x0000000000380000-0x00000000003A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-12-25 19:57

Reported

2022-12-25 19:59

Platform

win10v2004-20220812-en

Max time kernel

149s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.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\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d28933d28b79ea957df25a6859c755643a099995e6325c00f91b5de8d7bbb40b.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 20:59 /tn elkedxig /ET 21:10 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAZAAyADgAOQAzADMAZAAyADgAYgA3ADkAZQBhADkANQA3AGQAZgAyADUAYQA2ADgANQA5AGMANwA1ADUANgA0ADMAYQAwADkAOQA5ADkANQBlADYAMwAyADUAYwAwADAAZgA5ADEAYgA1AGQAZQA4AGQANwBiAGIAYgA0ADAAYgAuAGQAbABsACIA" /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 95.101.78.82:80 tcp
N/A 104.80.225.205:443 tcp
N/A 52.182.143.208:443 tcp
N/A 8.248.5.254:80 tcp
N/A 8.248.5.254:80 tcp

Files

memory/4428-132-0x0000000000000000-mapping.dmp

memory/4428-133-0x0000000000C10000-0x0000000000C32000-memory.dmp

memory/4652-134-0x0000000000000000-mapping.dmp

memory/4428-135-0x0000000000C10000-0x0000000000C32000-memory.dmp

memory/2444-136-0x0000000000000000-mapping.dmp

memory/4652-137-0x0000000000C00000-0x0000000000C22000-memory.dmp

memory/4652-138-0x0000000000C00000-0x0000000000C22000-memory.dmp