Malware Analysis Report

2025-06-15 20:59

Sample ID 201019-n2jk6cth4a
Target document-1090252115.xls
SHA256 079b77b432ef5c1353e809c8d581d7a83d4c76b4a027200dc4af30f544cef7d8
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

079b77b432ef5c1353e809c8d581d7a83d4c76b4a027200dc4af30f544cef7d8

Threat Level: Known bad

The file document-1090252115.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

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

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

win7v200722

Max time kernel

156s

Max time network

25s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1090252115.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\Oxavvfybdybs\ykmefi.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1480 wrote to memory of 300 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1480 wrote to memory of 300 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1480 wrote to memory of 300 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1480 wrote to memory of 300 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 300 wrote to memory of 1424 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 300 wrote to memory of 1424 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 300 wrote to memory of 1424 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 300 wrote to memory of 1424 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 300 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 300 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 300 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 300 wrote to memory of 432 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 300 wrote to memory of 1460 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 300 wrote to memory of 1460 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 300 wrote to memory of 1460 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 300 wrote to memory of 1460 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 432 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 432 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 432 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 432 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe
PID 432 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Windows\SysWOW64\explorer.exe
PID 432 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Windows\SysWOW64\explorer.exe
PID 432 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Windows\SysWOW64\explorer.exe
PID 432 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Windows\SysWOW64\explorer.exe
PID 432 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe C:\Windows\SysWOW64\explorer.exe
PID 512 wrote to memory of 1388 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 512 wrote to memory of 1388 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 512 wrote to memory of 1388 N/A C:\Windows\system32\taskeng.exe C:\WErtu\Reterd\szvmhegu.exe
PID 512 wrote to memory of 1388 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-1090252115.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\Oxavvfybdybs\ykmefi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gdjhbjr /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I gdjhbjr" /SC ONCE /Z /ST 01:01 /ET 01:13

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {8224AEAE-A68D-4B4F-A9BD-7222B4F4959A} S-1-5-18:NT AUTHORITY\System:Service:

C:\WErtu\Reterd\szvmhegu.exe

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

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/1848-2-0x000007FEF6E80000-0x000007FEF70FA000-memory.dmp

memory/300-3-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1480-5-0x0000000007010000-0x0000000007014000-memory.dmp

memory/1480-6-0x0000000006010000-0x0000000006014000-memory.dmp

memory/1480-9-0x0000000004C10000-0x0000000004C14000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1424-11-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1424-13-0x0000000002420000-0x0000000002431000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/432-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1460-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1092-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1092-23-0x00000000024A0000-0x00000000024B1000-memory.dmp

memory/432-24-0x00000000003B0000-0x00000000003E7000-memory.dmp

memory/916-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oxavvfybdybs\ykmefi.dat

MD5 18f6a202eed58414ea9bcacbf2e4c3e1
SHA1 cb67419c7664e7d958977bee0d376c4117af3bf4
SHA256 da563bddad191bcafe1f497bb19dcd22cd0b37835f0435d7be439c6bd566d822
SHA512 14c97223ecbf278db2fd9ec4fdd587320c6d23619e6fc3a0dbaad9eaec46809c2d91fc483cb58c359a8da248e91faaa9d51e96243d59806c363b810f945b6092

memory/1388-27-0x0000000000000000-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

149s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1090252115.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 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-1090252115.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 4496

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4496

Network

N/A

Files

memory/1468-0-0x00007FF851220000-0x00007FF8518E6000-memory.dmp

memory/3448-4-0x0000000000000000-mapping.dmp

memory/2824-5-0x0000000000000000-mapping.dmp

memory/2824-6-0x0000021F82740000-0x0000021F82741000-memory.dmp

memory/2824-7-0x0000021F82740000-0x0000021F82741000-memory.dmp

memory/2824-9-0x0000021F82EF0000-0x0000021F82EF1000-memory.dmp

memory/2824-12-0x0000021F83240000-0x0000021F83241000-memory.dmp

memory/2824-13-0x0000021F83240000-0x0000021F83241000-memory.dmp

memory/2824-14-0x0000021F83240000-0x0000021F83241000-memory.dmp