Malware Analysis Report

2025-06-15 20:59

Sample ID 201019-p25lea15wx
Target document-1020306933.xls
SHA256 93bcdf1767f50a325e7aa4ce2c64125e5f1e3223f40b42850879bbb4b14b7aaf
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

93bcdf1767f50a325e7aa4ce2c64125e5f1e3223f40b42850879bbb4b14b7aaf

Threat Level: Known bad

The file document-1020306933.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Executes dropped EXE

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

Enumerates system info in registry

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 22:57

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: behavioral2

Detonation Overview

Submitted

2020-10-19 22:57

Reported

2020-10-19 23:01

Platform

win10v200722

Max time kernel

76s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1020306933.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\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

Enumerates system info in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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-1020306933.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 4604

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4604

Network

N/A

Files

memory/3480-0-0x00007FFCD2F60000-0x00007FFCD3626000-memory.dmp

memory/3672-4-0x0000000000000000-mapping.dmp

memory/4020-5-0x0000000000000000-mapping.dmp

memory/4020-6-0x0000025DD62D0000-0x0000025DD62D1000-memory.dmp

memory/4020-7-0x0000025DD62D0000-0x0000025DD62D1000-memory.dmp

memory/4020-9-0x0000025DD6A30000-0x0000025DD6A31000-memory.dmp

memory/4020-12-0x0000025DD6D30000-0x0000025DD6D31000-memory.dmp

memory/4020-13-0x0000025DD6D30000-0x0000025DD6D31000-memory.dmp

memory/4020-14-0x0000025DD6D30000-0x0000025DD6D31000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-19 22:57

Reported

2020-10-19 23:02

Platform

win7v200722

Max time kernel

127s

Max time network

15s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1020306933.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\Ohhdllrwwau\irhndjz.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1060 wrote to memory of 1900 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1060 wrote to memory of 1900 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1060 wrote to memory of 1900 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1060 wrote to memory of 1900 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1900 wrote to memory of 1980 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1900 wrote to memory of 1980 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1900 wrote to memory of 1980 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1900 wrote to memory of 1980 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1900 wrote to memory of 1968 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1900 wrote to memory of 1968 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1900 wrote to memory of 1968 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1900 wrote to memory of 1968 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1900 wrote to memory of 364 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1900 wrote to memory of 364 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1900 wrote to memory of 364 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1900 wrote to memory of 364 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1968 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1968 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1968 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe
PID 1968 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe C:\Windows\SysWOW64\explorer.exe
PID 1776 wrote to memory of 928 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1776 wrote to memory of 928 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1776 wrote to memory of 928 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1776 wrote to memory of 928 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-1020306933.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\Ohhdllrwwau\irhndjz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rwlrechr /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I rwlrechr" /SC ONCE /Z /ST 01:05 /ET 01:17

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {1F83A093-0C4D-4AE6-9206-7924A385DCF7} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1372-2-0x000007FEF6830000-0x000007FEF6AAA000-memory.dmp

memory/1900-3-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1060-5-0x00000000071B0000-0x00000000071B4000-memory.dmp

memory/1060-6-0x00000000061B0000-0x00000000061B4000-memory.dmp

memory/1060-9-0x0000000004EE0000-0x0000000004EE4000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1980-11-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1980-13-0x0000000002510000-0x0000000002521000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1968-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/364-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1804-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1804-22-0x0000000002490000-0x00000000024A1000-memory.dmp

memory/1968-23-0x0000000001E80000-0x0000000001EB7000-memory.dmp

memory/1956-24-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Ohhdllrwwau\irhndjz.dat

MD5 88ddd615ebe46040c3f204fb547be698
SHA1 c3b28145ccff668707fc3e47864b782110af6533
SHA256 492e1b890a6843957ef5b047b93fdb2503b57dce271d644ed387b8498496df81
SHA512 dab745b2c7d6ad4b92305d6fe9d22b427ee85895b16f016cb43f4b6873bc6444f30137bd6216ddee727de0c70f86ea176aa4a8b98801146a273dec2629906277

memory/928-27-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c