Malware Analysis Report

2025-05-05 21:36

Sample ID 201020-7bdrv5yygn
Target doc_pack-613595060.xls
SHA256 e7e2ce4f6e53471a6fac5efd7226ef5c21b24859955a6d1f9eb0a630a1325e17
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

e7e2ce4f6e53471a6fac5efd7226ef5c21b24859955a6d1f9eb0a630a1325e17

Threat Level: Known bad

The file doc_pack-613595060.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Office macro that triggers on suspicious action

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

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

win7

Max time kernel

111s

Max time network

11s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-613595060.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\Vamntoroviny\dwtypb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1204 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1204 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1204 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1204 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 1924 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 1924 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 1924 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 1924 wrote to memory of 812 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 812 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 812 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 812 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 572 wrote to memory of 960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 572 wrote to memory of 960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 572 wrote to memory of 960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 572 wrote to memory of 960 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe
PID 572 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Windows\SysWOW64\explorer.exe
PID 572 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Windows\SysWOW64\explorer.exe
PID 572 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Windows\SysWOW64\explorer.exe
PID 572 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Windows\SysWOW64\explorer.exe
PID 572 wrote to memory of 1320 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe C:\Windows\SysWOW64\explorer.exe
PID 740 wrote to memory of 1932 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 740 wrote to memory of 1932 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 740 wrote to memory of 1932 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 740 wrote to memory of 1932 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-613595060.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\Vamntoroviny\dwtypb.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qyrhcvt /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I qyrhcvt" /SC ONCE /Z /ST 23:24 /ET 23:36

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {2092D67E-0A38-4786-BB27-0EA11A21C73E} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1388-2-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

memory/1924-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1204-5-0x0000000004E40000-0x0000000004E44000-memory.dmp

memory/1204-6-0x00000000060F0000-0x00000000060F4000-memory.dmp

memory/1204-9-0x0000000004FC0000-0x0000000004FC4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1012-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1012-13-0x0000000002640000-0x0000000002651000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/572-16-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/812-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/960-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/960-22-0x0000000002460000-0x0000000002471000-memory.dmp

memory/572-23-0x0000000002090000-0x00000000020C7000-memory.dmp

memory/1320-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vamntoroviny\dwtypb.dat

MD5 8c950ee99adfe0a955da0fd53ceb9cd0
SHA1 1c70c7a929d0ab4a3caf70d1c21ae10eedffc374
SHA256 7267335f03d5daaa9380c6d6517e03505857fbeb949389b9e17456d79f1fe790
SHA512 d07ba31ae6f0d149f68f7a1072533d81de538373aad653f339f523b3c60470e22f7823b23aee7670fdb2f47091180f7c2e1a2f5958d704f80c037e2a3880f27a

memory/1932-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:12

Reported

2020-10-20 23:21

Platform

win10v200722

Max time kernel

83s

Max time network

154s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-613595060.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-613595060.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 4724

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4724

Network

N/A

Files

memory/2080-0-0x00007FFAC5C00000-0x00007FFAC62C6000-memory.dmp

memory/3176-2-0x0000000000000000-mapping.dmp

memory/3672-3-0x0000000000000000-mapping.dmp

memory/3672-4-0x0000023CE2FA0000-0x0000023CE2FA1000-memory.dmp

memory/3672-5-0x0000023CE2FA0000-0x0000023CE2FA1000-memory.dmp

memory/3672-7-0x0000023CE3770000-0x0000023CE3771000-memory.dmp

memory/3672-10-0x0000023CE3B70000-0x0000023CE3B71000-memory.dmp

memory/3672-12-0x0000023CE39A0000-0x0000023CE39A1000-memory.dmp

memory/3672-13-0x0000023CE39A0000-0x0000023CE39A1000-memory.dmp

memory/3672-14-0x0000023CE39A0000-0x0000023CE39A1000-memory.dmp