Malware Analysis Report

2025-06-15 21:00

Sample ID 201019-yt5jrlb62e
Target document-140556161.xls
SHA256 751f9ae8555c6c6f8a0fe0eb756ff88962b93890c36fcdeb21929c1f67f0bfc0
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

751f9ae8555c6c6f8a0fe0eb756ff88962b93890c36fcdeb21929c1f67f0bfc0

Threat Level: Known bad

The file document-140556161.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

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 23:35

Platform

win7v200722

Max time kernel

97s

Max time network

43s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-140556161.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\Qooohuvdq\aqayg.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1764 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1764 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1764 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1764 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 520 wrote to memory of 1380 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 520 wrote to memory of 1380 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 520 wrote to memory of 1380 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 520 wrote to memory of 1380 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 520 wrote to memory of 1336 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 520 wrote to memory of 1336 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 520 wrote to memory of 1336 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 520 wrote to memory of 1336 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 520 wrote to memory of 480 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 520 wrote to memory of 480 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 520 wrote to memory of 480 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 520 wrote to memory of 480 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 1336 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 1336 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 1336 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
PID 1336 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe C:\Windows\SysWOW64\explorer.exe
PID 1572 wrote to memory of 556 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1572 wrote to memory of 556 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1572 wrote to memory of 556 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1572 wrote to memory of 556 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-140556161.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\Qooohuvdq\aqayg.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rkzeawhx /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I rkzeawhx" /SC ONCE /Z /ST 23:38 /ET 23:50

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {606D4A8E-3FF2-42EC-940E-5D9A6B2BD78B} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1032-1-0x000007FEF6720000-0x000007FEF699A000-memory.dmp

memory/520-2-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1764-4-0x0000000007110000-0x0000000007114000-memory.dmp

memory/1764-5-0x0000000006110000-0x0000000006114000-memory.dmp

memory/1764-8-0x0000000004FB0000-0x0000000004FB4000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1380-10-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1380-12-0x0000000002530000-0x0000000002541000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1336-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/480-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1120-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1120-21-0x0000000002500000-0x0000000002511000-memory.dmp

memory/1336-22-0x0000000001D90000-0x0000000001DC7000-memory.dmp

memory/1444-23-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.dat

MD5 db767d55876de43e945369828a8a98af
SHA1 56eafb1cb91956d09aad33f2fb11cb94e70738f1
SHA256 c580705dbe3b809a8e4ef047c9dc5532e5d7f1f61507a3ccd966423089dbdc24
SHA512 20a9bc98d36312f90ee63049bd6102e51d663920a9f8946e974969b38bac405254e5743cf39f9dc685a959ddaaf0acee9c3f53852edffef03c76cef6f2fc45f3

memory/556-25-0x0000000000000000-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 23:35

Platform

win10

Max time kernel

74s

Max time network

141s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-140556161.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-140556161.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 4700

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4700

Network

N/A

Files

memory/3700-0-0x00007FF9D1180000-0x00007FF9D1846000-memory.dmp

memory/1504-4-0x0000000000000000-mapping.dmp

memory/3828-5-0x0000000000000000-mapping.dmp

memory/3828-6-0x0000026EE1F20000-0x0000026EE1F21000-memory.dmp

memory/3828-7-0x0000026EE1F20000-0x0000026EE1F21000-memory.dmp

memory/3828-9-0x0000026EE2670000-0x0000026EE2671000-memory.dmp

memory/3828-12-0x0000026EE2A70000-0x0000026EE2A71000-memory.dmp

memory/3828-14-0x0000026EE2A70000-0x0000026EE2A71000-memory.dmp

memory/3828-16-0x0000026EE28C0000-0x0000026EE28C1000-memory.dmp

memory/3828-17-0x0000026EE28C0000-0x0000026EE28C1000-memory.dmp

memory/3828-18-0x0000026EE28C0000-0x0000026EE28C1000-memory.dmp