Malware Analysis Report

2025-06-15 20:58

Sample ID 201019-3j445gp7jn
Target document-104660471.xls
SHA256 834efa9fc1568d2d75afa972975828dc3a4508fecbc91052cea2ccd41d2a9cd3
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

834efa9fc1568d2d75afa972975828dc3a4508fecbc91052cea2ccd41d2a9cd3

Threat Level: Known bad

The file document-104660471.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Executes dropped EXE

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 22:59

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 22:59

Reported

2020-10-19 23:04

Platform

win7

Max time kernel

88s

Max time network

10s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-104660471.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\Enqmlfeg\mumhudzw.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1100 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1100 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1100 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1100 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1924 wrote to memory of 660 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1924 wrote to memory of 660 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1924 wrote to memory of 660 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1924 wrote to memory of 660 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1924 wrote to memory of 1332 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1924 wrote to memory of 1332 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1924 wrote to memory of 1332 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1924 wrote to memory of 1332 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1924 wrote to memory of 1672 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1672 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1672 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1672 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1332 wrote to memory of 856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1332 wrote to memory of 856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1332 wrote to memory of 856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1332 wrote to memory of 856 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
PID 1332 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe C:\Windows\SysWOW64\explorer.exe
PID 1548 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1548 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1548 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1548 wrote to memory of 1976 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-104660471.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\Enqmlfeg\mumhudzw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {3F0F6D2B-91D0-406E-BEDB-9E35A370F2A3} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1680-1-0x000007FEF7D20000-0x000007FEF7F9A000-memory.dmp

memory/1924-2-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1100-4-0x0000000006140000-0x0000000006144000-memory.dmp

memory/1100-5-0x0000000006340000-0x0000000006344000-memory.dmp

memory/1100-6-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

memory/1100-10-0x0000000005040000-0x0000000005044000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/660-12-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/660-14-0x0000000002530000-0x0000000002541000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1332-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1672-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/856-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/856-23-0x0000000002580000-0x0000000002591000-memory.dmp

memory/1332-24-0x0000000000440000-0x0000000000477000-memory.dmp

memory/536-25-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.dat

MD5 ff67c857af448f975ba9793291ba9871
SHA1 1da5f7ebfef1abf76fe86ddc69e81fc79cd23df0
SHA256 251f09e246abb1c301d8c31a427d11b208961ed5daf30cfbd47f6e3366417fc5
SHA512 7b9af4f6c0837bd3f47f240cce6193c156361d98b45ec71483e45bb7e2451b083f4fc16d125735fec00041a6186c9d1087214ed98fead869e92f5f91f2bd11df

memory/1976-28-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 22:59

Reported

2020-10-19 23:04

Platform

win10

Max time kernel

9s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-104660471.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 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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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-104660471.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 4440

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4440

Network

N/A

Files

memory/3896-0-0x00007FFA24FC0000-0x00007FFA25686000-memory.dmp

memory/2724-4-0x0000000000000000-mapping.dmp

memory/2820-5-0x0000000000000000-mapping.dmp

memory/2820-6-0x000001BDB5EE0000-0x000001BDB5EE1000-memory.dmp

memory/2820-7-0x000001BDB5EE0000-0x000001BDB5EE1000-memory.dmp

memory/2820-8-0x000001BDB5EE0000-0x000001BDB5EE1000-memory.dmp

memory/2820-10-0x000001BDB6690000-0x000001BDB6691000-memory.dmp

memory/2820-13-0x000001BDB6A90000-0x000001BDB6A91000-memory.dmp

memory/2820-15-0x000001BDB69F0000-0x000001BDB69F1000-memory.dmp

memory/2820-16-0x000001BDB69F0000-0x000001BDB69F1000-memory.dmp

memory/2820-17-0x000001BDB69F0000-0x000001BDB69F1000-memory.dmp

memory/2820-18-0x000001BDB65D0000-0x000001BDB65D1000-memory.dmp