Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-2ecpxxxpje
Target doc_pack-357975935.xls
SHA256 f49446268638393b76b8c946d6da69234cccf1d265aaba167479634758a00c27
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

f49446268638393b76b8c946d6da69234cccf1d265aaba167479634758a00c27

Threat Level: Known bad

The file doc_pack-357975935.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

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

Suspicious behavior: MapViewOfSection

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:22

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

2020-10-20 22:22

Reported

2020-10-20 22:28

Platform

win7v200722

Max time kernel

147s

Max time network

65s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-357975935.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A
N/A N/A C:\COsuv\Wegerb\szvMhegn.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\Kxzyaidyeok\vrufiiwh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1432 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1432 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1432 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1432 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 2024 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 2024 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 2024 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 2024 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 392 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 2008 wrote to memory of 392 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 2008 wrote to memory of 392 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 2008 wrote to memory of 392 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 2008 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 392 wrote to memory of 988 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 392 wrote to memory of 988 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 392 wrote to memory of 988 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 392 wrote to memory of 988 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
PID 392 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Windows\SysWOW64\explorer.exe
PID 392 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Windows\SysWOW64\explorer.exe
PID 392 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Windows\SysWOW64\explorer.exe
PID 392 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Windows\SysWOW64\explorer.exe
PID 392 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe C:\Windows\SysWOW64\explorer.exe
PID 1808 wrote to memory of 1864 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1808 wrote to memory of 1864 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1808 wrote to memory of 1864 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1808 wrote to memory of 1864 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.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\doc_pack-357975935.xls

C:\COsuv\Wegerb\szvMhegn.exe

"C:\COsuv\Wegerb\szvMhegn.exe"

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ccqecnt /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ccqecnt" /SC ONCE /Z /ST 00:25 /ET 00:37

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {7FDA1DB3-C652-4E97-8ED3-6EBB10729752} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /I ccqecnt

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 blog.vokasidev.com udp
N/A 68.65.123.245:80 blog.vokasidev.com tcp
N/A 10.7.0.170:64568 udp

Files

memory/1828-2-0x000007FEF7A30000-0x000007FEF7CAA000-memory.dmp

memory/2008-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1432-5-0x0000000004A60000-0x0000000004A64000-memory.dmp

memory/1432-6-0x0000000006150000-0x0000000006154000-memory.dmp

memory/1432-9-0x0000000004EB0000-0x0000000004EB4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2024-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2024-13-0x0000000002570000-0x0000000002581000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/392-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/952-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/988-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/988-22-0x00000000024E0000-0x00000000024F1000-memory.dmp

memory/392-23-0x00000000005E0000-0x0000000000617000-memory.dmp

memory/1888-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.dat

MD5 1643c6af82e5c1f0063ea0284b45cacc
SHA1 8dc3c951f92cdd1d74768bb794fd48289b2cc894
SHA256 0b9366ca5e5a2ecd34c8be5ccd8eb50250e9a0454f0d782055cf85bfedd9be4d
SHA512 968d71703d282992efc95bbe1960443baed083b23ea87fc78882b6f2b1b54090f258fa28d50b409734cd8de22f0f646bc8752c67059882f8fcfb6e0572997081

memory/1864-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:22

Reported

2020-10-20 22:28

Platform

win10v200722

Max time kernel

17s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-357975935.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\doc_pack-357975935.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 4472

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4472

Network

N/A

Files

memory/3608-0-0x00007FFB39B00000-0x00007FFB3A1C6000-memory.dmp

memory/2072-4-0x0000000000000000-mapping.dmp

memory/2576-5-0x0000000000000000-mapping.dmp

memory/2576-6-0x0000022A1B4D0000-0x0000022A1B4D1000-memory.dmp

memory/2576-7-0x0000022A1B4D0000-0x0000022A1B4D1000-memory.dmp

memory/2576-9-0x0000022A1BBE0000-0x0000022A1BBE1000-memory.dmp

memory/2576-12-0x0000022A1BEE0000-0x0000022A1BEE1000-memory.dmp

memory/2576-13-0x0000022A1BEE0000-0x0000022A1BEE1000-memory.dmp

memory/2576-14-0x0000022A1BEE0000-0x0000022A1BEE1000-memory.dmp