Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-nlwzqp4rtj
Target doc_pack-717104901.xls
SHA256 3d0d968e286cbf1e329f799812b85a3d46c0b69bb259a1d4c8cab4157bc5cec0
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

3d0d968e286cbf1e329f799812b85a3d46c0b69bb259a1d4c8cab4157bc5cec0

Threat Level: Known bad

The file doc_pack-717104901.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: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:06

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 23:06

Reported

2020-10-20 23:12

Platform

win10v200722

Max time kernel

112s

Max time network

133s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-717104901.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-717104901.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 4656

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4656

Network

N/A

Files

memory/964-0-0x00007FFED5630000-0x00007FFED5CF6000-memory.dmp

memory/2712-4-0x0000000000000000-mapping.dmp

memory/3420-5-0x0000000000000000-mapping.dmp

memory/3420-7-0x00000268EC6B0000-0x00000268EC6B1000-memory.dmp

memory/3420-6-0x00000268EC6B0000-0x00000268EC6B1000-memory.dmp

memory/3420-9-0x00000268ECED0000-0x00000268ECED1000-memory.dmp

memory/3420-12-0x00000268ED170000-0x00000268ED171000-memory.dmp

memory/3420-13-0x00000268ED170000-0x00000268ED171000-memory.dmp

memory/3420-14-0x00000268ED170000-0x00000268ED171000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:06

Reported

2020-10-20 23:12

Platform

win7

Max time kernel

127s

Max time network

126s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-717104901.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\Whjtevwqcxli\fjnooz.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1768 wrote to memory of 1692 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1768 wrote to memory of 1692 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1768 wrote to memory of 1692 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1768 wrote to memory of 1692 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1692 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1692 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1692 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1692 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1692 wrote to memory of 1452 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1692 wrote to memory of 1452 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1692 wrote to memory of 1452 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1692 wrote to memory of 1452 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1692 wrote to memory of 612 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1692 wrote to memory of 612 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1692 wrote to memory of 612 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1692 wrote to memory of 612 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1452 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1452 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1452 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1452 wrote to memory of 916 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
PID 1452 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Windows\SysWOW64\explorer.exe
PID 1452 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Windows\SysWOW64\explorer.exe
PID 1452 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Windows\SysWOW64\explorer.exe
PID 1452 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Windows\SysWOW64\explorer.exe
PID 1452 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 1600 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 1600 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 1600 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 1600 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-717104901.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\Whjtevwqcxli\fjnooz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ayeqdbst /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ayeqdbst" /SC ONCE /Z /ST 23:16 /ET 23:28

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {6F6EDB02-82E5-4292-B86C-BE8757F23358} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/280-2-0x000007FEF6C90000-0x000007FEF6F0A000-memory.dmp

memory/1692-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1768-5-0x0000000005E30000-0x0000000005E34000-memory.dmp

memory/1768-6-0x0000000006020000-0x0000000006024000-memory.dmp

memory/1768-7-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

memory/1768-11-0x0000000004D30000-0x0000000004D34000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1072-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1072-15-0x00000000024D0000-0x00000000024E1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1452-18-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/612-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/916-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/916-25-0x00000000025F0000-0x0000000002601000-memory.dmp

memory/1452-26-0x00000000020B0000-0x00000000020E7000-memory.dmp

memory/1320-27-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.dat

MD5 c4e1af33ac5b50772fcd6ab05ec036b9
SHA1 ee3a57d50c69483dbbe8812376948488e326d5f6
SHA256 d8392b402829262ad13d3e90d569227e0098b8c23a29597e94acaad32dc350a5
SHA512 6494643a157cee02c9328e1f9ae75673e1cd7949e90c9dddf3f0bfe5e0f2065ecf4ba261f3f55f92aadce541de4c22a2b5d897cd02da4106c72b97a71e20035c

memory/1600-29-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e