Malware Analysis Report

2025-06-15 20:59

Sample ID 201019-1bvbmyl8h2
Target document-1022862840.xls
SHA256 a69accc253cc56e9069f93a7647e2519b71a046947b05a38bb5b51308db0a7ef
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

a69accc253cc56e9069f93a7647e2519b71a046947b05a38bb5b51308db0a7ef

Threat Level: Known bad

The file document-1022862840.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

Office macro that triggers on suspicious action

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 22:58

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 22:58

Reported

2020-10-19 23:04

Platform

win7

Max time kernel

97s

Max time network

20s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1022862840.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\Ycycaayobbfo\yywuej.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 976 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1300 wrote to memory of 976 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1300 wrote to memory of 976 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1300 wrote to memory of 976 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 976 wrote to memory of 1040 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 976 wrote to memory of 1040 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 976 wrote to memory of 1040 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 976 wrote to memory of 1040 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 976 wrote to memory of 924 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 976 wrote to memory of 924 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 976 wrote to memory of 924 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 976 wrote to memory of 924 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 976 wrote to memory of 956 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 976 wrote to memory of 956 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 976 wrote to memory of 956 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 976 wrote to memory of 956 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 924 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 924 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 924 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 924 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe
PID 924 wrote to memory of 768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Windows\SysWOW64\explorer.exe
PID 924 wrote to memory of 768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Windows\SysWOW64\explorer.exe
PID 924 wrote to memory of 768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Windows\SysWOW64\explorer.exe
PID 924 wrote to memory of 768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Windows\SysWOW64\explorer.exe
PID 924 wrote to memory of 768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe C:\Windows\SysWOW64\explorer.exe
PID 1204 wrote to memory of 1052 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1204 wrote to memory of 1052 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1204 wrote to memory of 1052 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1204 wrote to memory of 1052 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-1022862840.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\Ycycaayobbfo\yywuej.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ghcctvgn /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I ghcctvgn" /SC ONCE /Z /ST 23:00 /ET 23:12

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {6466ABFC-91E6-4939-A952-AFE7628C4ED7} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1856-2-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmp

memory/976-3-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1300-5-0x00000000070D0000-0x00000000070D4000-memory.dmp

memory/1300-6-0x00000000060D0000-0x00000000060D4000-memory.dmp

memory/1300-8-0x0000000002090000-0x0000000002091000-memory.dmp

memory/1300-11-0x0000000004D10000-0x0000000004D14000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1040-13-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1040-15-0x0000000002450000-0x0000000002461000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/924-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/956-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/688-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/688-24-0x0000000002450000-0x0000000002461000-memory.dmp

memory/924-25-0x0000000001E90000-0x0000000001EC7000-memory.dmp

memory/768-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ycycaayobbfo\yywuej.dat

MD5 f4a8b3db51a3e99d624caa359d658c55
SHA1 b901a2e02586f675d09e836a5b43f8806d5624c5
SHA256 a2e90cecd36356b042c70cde85b1bd4e2cf082351bc05e9890c4786fed54db22
SHA512 953af429101e4dc4532a816627be2aa11f1c2e0009046e207eff6c85bd662731527df0f84413c0fcc7ebd0267ce4a53dca37a3ebe51a3098e0b13c60505118c8

memory/1052-28-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 22:58

Reported

2020-10-19 23:04

Platform

win10v200722

Max time kernel

26s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1022862840.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

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-1022862840.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 4408

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4408

Network

N/A

Files

memory/3888-0-0x00007FF8C31C0000-0x00007FF8C3886000-memory.dmp

memory/2424-3-0x0000000000000000-mapping.dmp

memory/3004-4-0x0000000000000000-mapping.dmp

memory/3004-5-0x00000163B5A60000-0x00000163B5A61000-memory.dmp

memory/3004-6-0x00000163B5A60000-0x00000163B5A61000-memory.dmp

memory/3004-8-0x00000163B6140000-0x00000163B6141000-memory.dmp

memory/3004-11-0x00000163B63D0000-0x00000163B63D1000-memory.dmp

memory/3004-12-0x00000163B63D0000-0x00000163B63D1000-memory.dmp

memory/3004-13-0x00000163B63D0000-0x00000163B63D1000-memory.dmp