Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-wb5g7qccya
Target doc_pack-387165615.xls
SHA256 5c15ac1ba8e3f040d65f436e6f442b4d1ebd7ca61d28e83d4ebab6eeaa877b94
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

5c15ac1ba8e3f040d65f436e6f442b4d1ebd7ca61d28e83d4ebab6eeaa877b94

Threat Level: Known bad

The file doc_pack-387165615.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 behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

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 22:34

Platform

win7

Max time kernel

114s

Max time network

19s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-387165615.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\Ogrhqxopu\oexwb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 616 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 616 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 616 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 616 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 564 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 564 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 564 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 564 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 836 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 2024 wrote to memory of 836 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 2024 wrote to memory of 836 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 2024 wrote to memory of 836 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 2024 wrote to memory of 1872 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 1872 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 1872 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 1872 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 836 wrote to memory of 736 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 836 wrote to memory of 736 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 836 wrote to memory of 736 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 836 wrote to memory of 736 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe
PID 836 wrote to memory of 1876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Windows\SysWOW64\explorer.exe
PID 836 wrote to memory of 1876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Windows\SysWOW64\explorer.exe
PID 836 wrote to memory of 1876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Windows\SysWOW64\explorer.exe
PID 836 wrote to memory of 1876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Windows\SysWOW64\explorer.exe
PID 836 wrote to memory of 1876 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe C:\Windows\SysWOW64\explorer.exe
PID 1964 wrote to memory of 828 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1964 wrote to memory of 828 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1964 wrote to memory of 828 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1964 wrote to memory of 828 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-387165615.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\Ogrhqxopu\oexwb.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bbyohvrgio /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I bbyohvrgio" /SC ONCE /Z /ST 22:30 /ET 22:42

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {42B118E3-A112-453A-88FB-D65939B0FDF0} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1188-1-0x000007FEF5000000-0x000007FEF527A000-memory.dmp

memory/2024-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/616-4-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

memory/616-5-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

memory/616-6-0x0000000002F00000-0x0000000002F01000-memory.dmp

memory/616-10-0x0000000004BC0000-0x0000000004BC4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/564-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/564-14-0x0000000002460000-0x0000000002471000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/836-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1872-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/736-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/736-23-0x00000000024C0000-0x00000000024D1000-memory.dmp

memory/836-24-0x0000000001D80000-0x0000000001DB7000-memory.dmp

memory/1876-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ogrhqxopu\oexwb.dat

MD5 c4aab82313019b324da01d06120affae
SHA1 0cb6349e8a93a3da26bda163a5cebcfe6ba6cec3
SHA256 80d1d08aa8b0414d5025c450de092aead8cc0217849f0ea29898f37cb3ab8dbe
SHA512 d86ab00daccc51f8c6ad97cb00b206784fc30ef9f7388d7aa4a1ac708f60701cb4b46cf9edb1b98f488c6aed44479db01d4197e49484f30d769313dc27a23d63

memory/828-27-0x0000000000000000-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 22:34

Platform

win10

Max time kernel

148s

Max time network

153s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-387165615.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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-387165615.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 4472

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4472

Network

N/A

Files

memory/720-0-0x00007FFFBCA60000-0x00007FFFBD126000-memory.dmp

memory/1556-3-0x0000000000000000-mapping.dmp

memory/1752-4-0x0000000000000000-mapping.dmp

memory/1752-5-0x00000177B3E50000-0x00000177B3E51000-memory.dmp

memory/1752-6-0x00000177B3E50000-0x00000177B3E51000-memory.dmp

memory/1752-8-0x00000177B4650000-0x00000177B4651000-memory.dmp

memory/1752-11-0x00000177B4950000-0x00000177B4951000-memory.dmp

memory/1752-12-0x00000177B4950000-0x00000177B4951000-memory.dmp

memory/1752-13-0x00000177B4950000-0x00000177B4951000-memory.dmp

memory/1752-14-0x00000177B4590000-0x00000177B4591000-memory.dmp