Malware Analysis Report

2025-06-15 21:00

Sample ID 201019-kzm2rce3mn
Target document-1400422935.xls
SHA256 e15a0c55c4ec951efdaca5f72855921b1085967591b3cf93bd22b524c61a2f2c
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

e15a0c55c4ec951efdaca5f72855921b1085967591b3cf93bd22b524c61a2f2c

Threat Level: Known bad

The file document-1400422935.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

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Creates scheduled task(s)

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

win7

Max time kernel

100s

Max time network

42s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1400422935.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\Cldauoimc\jrkyog.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1612 wrote to memory of 784 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1612 wrote to memory of 784 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1612 wrote to memory of 784 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1612 wrote to memory of 784 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 784 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 784 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 784 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 784 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 784 wrote to memory of 856 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 784 wrote to memory of 856 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 784 wrote to memory of 856 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 784 wrote to memory of 856 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 784 wrote to memory of 1528 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 784 wrote to memory of 1528 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 784 wrote to memory of 1528 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 784 wrote to memory of 1528 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 856 wrote to memory of 1140 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 856 wrote to memory of 1140 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 856 wrote to memory of 1140 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 856 wrote to memory of 1140 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe
PID 856 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Windows\SysWOW64\explorer.exe
PID 856 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Windows\SysWOW64\explorer.exe
PID 856 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Windows\SysWOW64\explorer.exe
PID 856 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Windows\SysWOW64\explorer.exe
PID 856 wrote to memory of 1456 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe C:\Windows\SysWOW64\explorer.exe
PID 1832 wrote to memory of 1608 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1832 wrote to memory of 1608 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1832 wrote to memory of 1608 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1832 wrote to memory of 1608 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-1400422935.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\Cldauoimc\jrkyog.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {569C2719-8E41-48A6-BA10-2D9E4DE5CDF7} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1304-1-0x000007FEF7CD0000-0x000007FEF7F4A000-memory.dmp

memory/784-2-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1612-4-0x0000000007D00000-0x0000000007D04000-memory.dmp

memory/1612-5-0x0000000006D00000-0x0000000006D04000-memory.dmp

memory/1612-6-0x00000000024D0000-0x00000000024D5000-memory.dmp

memory/1612-7-0x00000000024C0000-0x00000000024C1000-memory.dmp

memory/1612-10-0x0000000005A70000-0x0000000005A74000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/432-12-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/432-14-0x00000000024D0000-0x00000000024E1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/856-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1528-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1140-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

memory/1140-23-0x0000000002550000-0x0000000002561000-memory.dmp

memory/856-24-0x0000000000440000-0x0000000000477000-memory.dmp

memory/1456-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cldauoimc\jrkyog.dat

MD5 52e9f233c67deefac34588934ce35ac9
SHA1 0062f7f14fd7168dd38b707373fa47367f3e4bdd
SHA256 c024a06982f9294d30c2c89cfee6b8f8ce0c3c5216e08b6f25529635b79e5725
SHA512 ead4f28e4a49e9cc3f60caff27c98d78c46a15f036ef3df1a0f3dc9ef4794e979e21186ee6b7d7d259943f58bec7e9d67cda168ba4679c0949c87e34702c1972

memory/1608-27-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 175a22f1afaae79ae9de6c86a4a7ce4f
SHA1 d8521074406f97fe8d2a46646f8dd0acc519ef19
SHA256 2f5b35d9e4e6e1ed0537cc36657c6494f67fde18b32811120a183cb3094a5bdd
SHA512 47cfdff170d6e2b1684654a3390eb167f3a172d790c75a642ffaa7150cef20103905f075bb6291cce1b6560e8c40a7aaf211ba1bcf38f96e9fc811d18c511200

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 23:32

Reported

2020-10-19 23:35

Platform

win10v200722

Max time kernel

87s

Max time network

156s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1400422935.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-1400422935.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 4728

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4728

Network

Country Destination Domain Proto
N/A 120.150.218.241:443 tcp
N/A 52.109.88.36:443 tcp

Files

memory/508-0-0x00007FFE41260000-0x00007FFE41926000-memory.dmp

memory/508-1-0x0000022482E14000-0x0000022482E28000-memory.dmp

memory/2744-3-0x0000000000000000-mapping.dmp

memory/3568-4-0x0000000000000000-mapping.dmp

memory/3568-5-0x00000269AB150000-0x00000269AB151000-memory.dmp

memory/3568-6-0x00000269AB150000-0x00000269AB151000-memory.dmp

memory/3568-8-0x00000269AB920000-0x00000269AB921000-memory.dmp

memory/3568-11-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

memory/3568-12-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

memory/3568-13-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

memory/3568-14-0x00000269AB860000-0x00000269AB861000-memory.dmp