Malware Analysis Report

2025-05-05 21:36

Sample ID 201020-5f8jhf4g2j
Target doc_pack-58573999.xls
SHA256 e7f1b70d175e001e2afd453841146f3f224c8b3e155743d723684a6a4a3fce66
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

e7f1b70d175e001e2afd453841146f3f224c8b3e155743d723684a6a4a3fce66

Threat Level: Known bad

The file doc_pack-58573999.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 use of WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:12

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 23:12

Reported

2020-10-20 23:21

Platform

win7v200722

Max time kernel

112s

Max time network

24s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-58573999.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\Nxdnujw\idpdwscr.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1420 wrote to memory of 1896 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1420 wrote to memory of 1896 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1420 wrote to memory of 1896 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1420 wrote to memory of 1896 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1896 wrote to memory of 1968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1896 wrote to memory of 1968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1896 wrote to memory of 1968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1896 wrote to memory of 1968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1896 wrote to memory of 1304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1896 wrote to memory of 1304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1896 wrote to memory of 1304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1896 wrote to memory of 1304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1896 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1896 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1896 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1896 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1304 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1304 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1304 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1304 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
PID 1304 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Windows\SysWOW64\explorer.exe
PID 1304 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Windows\SysWOW64\explorer.exe
PID 1304 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Windows\SysWOW64\explorer.exe
PID 1304 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Windows\SysWOW64\explorer.exe
PID 1304 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe C:\Windows\SysWOW64\explorer.exe
PID 1192 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1192 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1192 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1192 wrote to memory of 960 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-58573999.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\Nxdnujw\idpdwscr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cslvqyw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I cslvqyw" /SC ONCE /Z /ST 01:24 /ET 01:36

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {693F78B0-5FE5-46CB-9602-50A989B938A1} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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

Files

memory/1832-2-0x000007FEF8150000-0x000007FEF83CA000-memory.dmp

memory/1896-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1420-5-0x0000000005FF0000-0x0000000005FF4000-memory.dmp

memory/1420-6-0x00000000061A0000-0x00000000061A4000-memory.dmp

memory/1420-7-0x0000000002500000-0x0000000002501000-memory.dmp

memory/1420-11-0x0000000004FF0000-0x0000000004FF4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1968-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1968-15-0x0000000002570000-0x0000000002581000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1304-18-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/968-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1308-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1308-24-0x00000000024A0000-0x00000000024B1000-memory.dmp

memory/1304-25-0x0000000000450000-0x0000000000487000-memory.dmp

memory/1144-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.dat

MD5 8e3955c90a3afb50bf712e39e95ffb46
SHA1 62aef906facd99c48a77f0e73109416331403af4
SHA256 68e25a200e39a42870b260905bce4a55ce8da68d0f7601e55b53fddc0aaa878f
SHA512 723507b85c726d3858b177f35f081cd54001f9e7f9d523b9dc06eca4e7454e19487c572be3832c6bee46df3ac374840c2cf799f86b729500ad56a87c7bd6b1f7

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/960-28-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:12

Reported

2020-10-20 23:21

Platform

win10

Max time kernel

11s

Max time network

132s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-58573999.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-58573999.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 4444

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4444

Network

N/A

Files

memory/3836-0-0x00007FFCC1380000-0x00007FFCC1A46000-memory.dmp

memory/3512-3-0x0000000000000000-mapping.dmp

memory/3608-4-0x0000000000000000-mapping.dmp

memory/3608-5-0x000002C734B90000-0x000002C734B91000-memory.dmp

memory/3608-6-0x000002C734B90000-0x000002C734B91000-memory.dmp

memory/3608-8-0x000002C7353D0000-0x000002C7353D1000-memory.dmp

memory/3608-11-0x000002C7355F0000-0x000002C7355F1000-memory.dmp

memory/3608-12-0x000002C7355F0000-0x000002C7355F1000-memory.dmp

memory/3608-17-0x000002C7355F0000-0x000002C7355F1000-memory.dmp