Malware Analysis Report

2025-05-05 21:37

Sample ID 201020-b6qjk2k8rx
Target doc_pack-610776050.xls
SHA256 d76b1a0400ee58f26dc2268fadc55cd2cabfd33524527a71f2014d28f121b6b9
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d76b1a0400ee58f26dc2268fadc55cd2cabfd33524527a71f2014d28f121b6b9

Threat Level: Known bad

The file doc_pack-610776050.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:07

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: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win10v200722

Max time kernel

84s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-610776050.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-610776050.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 4684

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4684

Network

N/A

Files

memory/532-0-0x00007FFF56F00000-0x00007FFF575C6000-memory.dmp

memory/532-1-0x000002799D81E000-0x000002799D823000-memory.dmp

memory/532-2-0x000002799D81E000-0x000002799D823000-memory.dmp

memory/532-3-0x000002799D81E000-0x000002799D823000-memory.dmp

memory/3440-4-0x0000000000000000-mapping.dmp

memory/1244-5-0x0000000000000000-mapping.dmp

memory/1244-6-0x00000201F5610000-0x00000201F5611000-memory.dmp

memory/1244-7-0x00000201F5610000-0x00000201F5611000-memory.dmp

memory/1244-9-0x00000201F5CD0000-0x00000201F5CD1000-memory.dmp

memory/1244-12-0x00000201F60D0000-0x00000201F60D1000-memory.dmp

memory/1244-14-0x00000201F5FB0000-0x00000201F5FB1000-memory.dmp

memory/1244-15-0x00000201F5FB0000-0x00000201F5FB1000-memory.dmp

memory/1244-16-0x00000201F5FB0000-0x00000201F5FB1000-memory.dmp

memory/1244-17-0x00000201F5C10000-0x00000201F5C11000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win7v200722

Max time kernel

147s

Max time network

31s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-610776050.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\Eiaizzcuzar\ussupy.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 388 wrote to memory of 1264 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 388 wrote to memory of 1264 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 388 wrote to memory of 1264 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 388 wrote to memory of 1264 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1264 wrote to memory of 1356 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1264 wrote to memory of 1356 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1264 wrote to memory of 1356 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1264 wrote to memory of 1356 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1264 wrote to memory of 1500 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1264 wrote to memory of 1500 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1264 wrote to memory of 1500 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1264 wrote to memory of 1500 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1264 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1264 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1264 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1264 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1500 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1500 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1500 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1500 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe
PID 1500 wrote to memory of 304 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 304 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 304 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 304 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 304 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe C:\Windows\SysWOW64\explorer.exe
PID 1536 wrote to memory of 1948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1948 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-610776050.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\Eiaizzcuzar\ussupy.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn blemimd /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I blemimd" /SC ONCE /Z /ST 01:19 /ET 01:31

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {F57861E7-EE6B-4F84-A960-38F81AEB1B37} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1912-2-0x000007FEF6710000-0x000007FEF698A000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1264-3-0x0000000000000000-mapping.dmp

memory/388-5-0x0000000006EA0000-0x0000000006EA4000-memory.dmp

memory/388-6-0x0000000005EA0000-0x0000000005EA4000-memory.dmp

memory/388-9-0x0000000004BE0000-0x0000000004BE4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1356-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1356-13-0x0000000002580000-0x0000000002591000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1500-16-0x0000000000000000-mapping.dmp

memory/432-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/636-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/636-22-0x00000000024B0000-0x00000000024C1000-memory.dmp

memory/304-24-0x0000000000000000-mapping.dmp

memory/1500-23-0x0000000002430000-0x0000000002467000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Eiaizzcuzar\ussupy.dat

MD5 1688b278deedc204c4c17b0aeb71df3d
SHA1 c83c727c7718ac20f7ae56a0c0a99005dd870030
SHA256 9f1769f40bd80c88f4669baf54fcd5f6223e8fa029de7de95a820f1af60ea926
SHA512 188e8b7977bdcc6bad3c48e076ccebe6e6036101b93a85c7fcf11587f31c76b75da61df6ca79c5e179fb42037ade7e19d73f2f956425606b8bd1b5efc57213e6

memory/1948-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f