Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-9jprsww6lx
Target doc_pack-322116342.xls
SHA256 1b6c885ab715d524b1d441bc94490f083895b404dc07f3fd7223a79d7fba74e2
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

1b6c885ab715d524b1d441bc94490f083895b404dc07f3fd7223a79d7fba74e2

Threat Level: Known bad

The file doc_pack-322116342.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Suspicious Office macro

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:25

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 22:25

Reported

2020-10-20 22:32

Platform

win7

Max time kernel

122s

Max time network

130s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-322116342.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\Ajgnsalsash\cacdyx.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1496 wrote to memory of 1404 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1404 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1404 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1404 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1404 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1404 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1404 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1404 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1404 wrote to memory of 744 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 1404 wrote to memory of 744 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 1404 wrote to memory of 744 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 1404 wrote to memory of 744 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 1404 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1404 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1404 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1404 wrote to memory of 968 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 744 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 744 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 744 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 744 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe
PID 744 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Windows\SysWOW64\explorer.exe
PID 744 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Windows\SysWOW64\explorer.exe
PID 744 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Windows\SysWOW64\explorer.exe
PID 744 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Windows\SysWOW64\explorer.exe
PID 744 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe C:\Windows\SysWOW64\explorer.exe
PID 1032 wrote to memory of 1224 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1032 wrote to memory of 1224 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1032 wrote to memory of 1224 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1032 wrote to memory of 1224 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-322116342.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\Ajgnsalsash\cacdyx.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn luhmdss /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I luhmdss" /SC ONCE /Z /ST 22:28 /ET 22:40

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {54428FB8-10D7-4D46-BB9C-9869A40B6C1B} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1892-1-0x000007FEF65F0000-0x000007FEF686A000-memory.dmp

memory/1404-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1496-4-0x0000000006EC0000-0x0000000006EC4000-memory.dmp

memory/1496-5-0x0000000005EC0000-0x0000000005EC4000-memory.dmp

memory/1496-6-0x0000000002500000-0x0000000002501000-memory.dmp

memory/1496-10-0x0000000004B90000-0x0000000004B94000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1328-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1328-14-0x0000000002460000-0x0000000002471000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/744-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/968-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1344-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1344-23-0x0000000002580000-0x0000000002591000-memory.dmp

memory/744-24-0x0000000002040000-0x0000000002077000-memory.dmp

memory/1928-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ajgnsalsash\cacdyx.dat

MD5 728371f28ae90f68e241d4b3acc54316
SHA1 1ba029d5900a7964e81f151396d1b9f2f2bf0fba
SHA256 6f2ba0c24315f5fef93879bbae823d6564a7848e3276602358c239f295aaafb2
SHA512 b1b6ff8abe2ca0b95212223aaf1a77793dde92df3f541221d9e47e88d66447c67af10807681870da01e1e6264da56f3b455991369bf01d492d0a58fa7acd4866

memory/1224-27-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:25

Reported

2020-10-20 22:32

Platform

win10v200722

Max time kernel

22s

Max time network

137s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-322116342.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-322116342.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 4480

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4480

Network

N/A

Files

memory/3060-0-0x00007FFA6F1C0000-0x00007FFA6F886000-memory.dmp

memory/2596-3-0x0000000000000000-mapping.dmp

memory/2620-4-0x0000000000000000-mapping.dmp

memory/2620-5-0x000001E2355B0000-0x000001E2355B1000-memory.dmp

memory/2620-6-0x000001E2355B0000-0x000001E2355B1000-memory.dmp

memory/2620-8-0x000001E235E00000-0x000001E235E01000-memory.dmp

memory/2620-11-0x000001E235E00000-0x000001E235E01000-memory.dmp

memory/2620-12-0x000001E236040000-0x000001E236041000-memory.dmp

memory/2620-13-0x000001E236040000-0x000001E236041000-memory.dmp

memory/2620-14-0x000001E236040000-0x000001E236041000-memory.dmp