Malware Analysis Report

2025-06-15 21:00

Sample ID 201019-txtmetmlxn
Target document-1255716615.xls
SHA256 a266df06bbfd7f611ed1534c19ce63a781d3f992c5709ea096281b4729f0b579
Tags
macro trojan banker stealer qakbot
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

a266df06bbfd7f611ed1534c19ce63a781d3f992c5709ea096281b4729f0b579

Threat Level: Known bad

The file document-1255716615.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Office macro that triggers on suspicious action

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

Enumerates system info in registry

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 23:32

Signatures

Office macro that triggers on suspicious action

macro
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-19 23:32

Reported

2020-10-19 23:39

Platform

win7v200722

Max time kernel

155s

Max time network

26s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1255716615.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\WErtu\Reterd\szvmhegu.exe N/A
N/A N/A C:\WErtu\Reterd\szvmhegu.exe N/A

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1412 wrote to memory of 2012 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1412 wrote to memory of 2012 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1412 wrote to memory of 2012 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1412 wrote to memory of 2012 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 2012 wrote to memory of 608 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 2012 wrote to memory of 608 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 2012 wrote to memory of 608 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 2012 wrote to memory of 608 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 2012 wrote to memory of 1444 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 2012 wrote to memory of 1444 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 2012 wrote to memory of 1444 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 2012 wrote to memory of 1444 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 2012 wrote to memory of 2024 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2012 wrote to memory of 2024 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2012 wrote to memory of 2024 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2012 wrote to memory of 2024 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1444 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 1444 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 1444 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 1444 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe
PID 1444 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Windows\SysWOW64\explorer.exe
PID 1444 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Windows\SysWOW64\explorer.exe
PID 1444 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Windows\SysWOW64\explorer.exe
PID 1444 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Windows\SysWOW64\explorer.exe
PID 1444 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe C:\Windows\SysWOW64\explorer.exe
PID 1476 wrote to memory of 1868 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1476 wrote to memory of 1868 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1476 wrote to memory of 1868 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1476 wrote to memory of 1868 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe

Processes

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1255716615.xls

C:\WErtu\Reterd\szvmhegu.exe

"C:\WErtu\Reterd\szvmhegu.exe"

C:\WErtu\Reterd\szvmhegu.exe

C:\WErtu\Reterd\szvmhegu.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lngyskriyc /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I lngyskriyc" /SC ONCE /Z /ST 01:43 /ET 01:55

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {F6AAF506-82FC-4DA3-9E7B-E668ADBDDC53} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

C:\WErtu\Reterd\szvmhegu.exe /I lngyskriyc

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.notamuzikaletleri.com udp
N/A 176.53.8.231:443 www.notamuzikaletleri.com tcp

Files

memory/1812-1-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

memory/2012-2-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1412-4-0x0000000006FA0000-0x0000000006FA4000-memory.dmp

memory/1412-5-0x0000000005FA0000-0x0000000005FA4000-memory.dmp

memory/1412-8-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/608-10-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/608-12-0x00000000026A0000-0x00000000026B1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1444-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/2024-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/2036-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/2036-21-0x0000000002430000-0x0000000002441000-memory.dmp

memory/1444-22-0x00000000003C0000-0x00000000003F7000-memory.dmp

memory/692-23-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yrqtb\eywvusbu.dat

MD5 a62bb341537b8691caf1cd5151b44f9d
SHA1 5232907d7760cd741d1c2362422f64ee1bd6f5fb
SHA256 b573e7e43da38ba39b93e7c5a880e746534553e9de6a67c7a140693528892142
SHA512 0cc8b9a64015890777afb7f2995820981e1822cd1135f96bc23bee3fd90c455c553b5f151415a203b60ef06ad3dbaf83dfb8ba1c690febceb0dc4b4f89e2e32b

memory/1868-25-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 23:32

Reported

2020-10-19 23:39

Platform

win10v200722

Max time kernel

85s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1255716615.xls"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1255716615.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4704

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4704

Network

Country Destination Domain Proto
N/A 186.189.249.2:80 tcp
N/A 52.109.8.19:443 tcp

Files

memory/424-0-0x00007FFE34970000-0x00007FFE35036000-memory.dmp

memory/3644-4-0x0000000000000000-mapping.dmp

memory/3020-5-0x0000000000000000-mapping.dmp

memory/3020-6-0x00000239CB0F0000-0x00000239CB0F1000-memory.dmp

memory/3020-7-0x00000239CB0F0000-0x00000239CB0F1000-memory.dmp

memory/3020-9-0x00000239CB890000-0x00000239CB891000-memory.dmp

memory/3020-12-0x00000239CBB90000-0x00000239CBB91000-memory.dmp

memory/3020-13-0x00000239CBB90000-0x00000239CBB91000-memory.dmp

memory/3020-14-0x00000239CBB90000-0x00000239CBB91000-memory.dmp