Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-zdgv8k62ge
Target doc_pack-458185013.xls
SHA256 05ff5b63645eb887f5ca3cb9f47cb5ac823daef93ac6068fb2509536d96f240b
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

05ff5b63645eb887f5ca3cb9f47cb5ac823daef93ac6068fb2509536d96f240b

Threat Level: Known bad

The file doc_pack-458185013.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Executes dropped EXE

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:28

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 22:28

Reported

2020-10-20 22:39

Platform

win7v200722

Max time kernel

102s

Max time network

14s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-458185013.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\Dwnpl\okxgydo.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 336 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 336 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 336 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 336 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 1492 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 1492 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 1492 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 1492 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 1204 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 2040 wrote to memory of 1204 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 2040 wrote to memory of 1204 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 2040 wrote to memory of 1204 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 2040 wrote to memory of 536 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 536 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 536 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 536 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1204 wrote to memory of 844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 1204 wrote to memory of 844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 1204 wrote to memory of 844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 1204 wrote to memory of 844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe
PID 1204 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Windows\SysWOW64\explorer.exe
PID 1204 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Windows\SysWOW64\explorer.exe
PID 1204 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Windows\SysWOW64\explorer.exe
PID 1204 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Windows\SysWOW64\explorer.exe
PID 1204 wrote to memory of 1416 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe C:\Windows\SysWOW64\explorer.exe
PID 1568 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1568 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1568 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1568 wrote to memory of 1236 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-458185013.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\Dwnpl\okxgydo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mqnmzwaxyk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I mqnmzwaxyk" /SC ONCE /Z /ST 00:42 /ET 00:54

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {B7749B05-8063-4BF3-9D9C-6D82A8243AE8} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1948-2-0x000007FEF7620000-0x000007FEF789A000-memory.dmp

memory/2040-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/336-5-0x00000000048C0000-0x00000000048C4000-memory.dmp

memory/336-6-0x00000000060E0000-0x00000000060E4000-memory.dmp

memory/336-9-0x0000000004DA0000-0x0000000004DA4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1492-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1492-13-0x0000000002430000-0x0000000002441000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1204-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/536-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/844-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/844-22-0x00000000024A0000-0x00000000024B1000-memory.dmp

memory/1204-23-0x0000000000450000-0x0000000000487000-memory.dmp

memory/1416-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dwnpl\okxgydo.dat

MD5 534ee5f2cf8c753421a3ab418aa36bf8
SHA1 4fbf2b7095a321bf8406818705c3dc661288d53a
SHA256 394f021497e9619e5e20b97139ade3cfab7d550819588f24b72fa96633bb2f98
SHA512 82183c241cd7b53d0ba8ba6d6f62d016b3956889ce2bba2aeac1a8f387e6fc19084682371f549b3377439d78020cf76a42602665b1e7526c33c4fc127a0b882f

memory/1236-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:28

Reported

2020-10-20 22:39

Platform

win10

Max time kernel

83s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-458185013.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-458185013.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 4420

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4420

Network

N/A

Files

memory/3828-0-0x00007FFA44340000-0x00007FFA44A06000-memory.dmp

memory/2204-4-0x0000000000000000-mapping.dmp

memory/2228-5-0x0000000000000000-mapping.dmp

memory/2228-6-0x00000160251D0000-0x00000160251D1000-memory.dmp

memory/2228-7-0x00000160251D0000-0x00000160251D1000-memory.dmp

memory/2228-9-0x00000160258A0000-0x00000160258A1000-memory.dmp

memory/2228-12-0x00000160258A0000-0x00000160258A1000-memory.dmp

memory/2228-13-0x0000016025CA0000-0x0000016025CA1000-memory.dmp

memory/2228-15-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

memory/2228-16-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

memory/2228-17-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

memory/2228-18-0x00000160257E0000-0x00000160257E1000-memory.dmp