Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-r4wje9brf6
Target doc_pack-319655896.xls
SHA256 74451da5505897ff625d8ff02f4cf2bc777c75859f11ba7039835d40242ee244
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

74451da5505897ff625d8ff02f4cf2bc777c75859f11ba7039835d40242ee244

Threat Level: Known bad

The file doc_pack-319655896.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

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

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 22:35

Platform

win7v200722

Max time kernel

115s

Max time network

19s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-319655896.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\Afevrziphodq\kheely.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 1104 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 1104 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 1104 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 1104 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 276 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 2000 wrote to memory of 276 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 2000 wrote to memory of 276 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 2000 wrote to memory of 276 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 2000 wrote to memory of 1448 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1448 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1448 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1448 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 276 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 276 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 276 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 276 wrote to memory of 636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe
PID 276 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Windows\SysWOW64\explorer.exe
PID 276 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Windows\SysWOW64\explorer.exe
PID 276 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Windows\SysWOW64\explorer.exe
PID 276 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Windows\SysWOW64\explorer.exe
PID 276 wrote to memory of 688 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 856 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1100 wrote to memory of 856 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-319655896.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\Afevrziphodq\kheely.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pyqhuzezrw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I pyqhuzezrw" /SC ONCE /Z /ST 00:31 /ET 00:43

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {745B0B04-767F-4860-A9FE-C0A2F568FE1E} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1888-1-0x000007FEF8510000-0x000007FEF878A000-memory.dmp

memory/2000-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1620-4-0x0000000006E60000-0x0000000006E64000-memory.dmp

memory/1620-5-0x0000000005E60000-0x0000000005E64000-memory.dmp

memory/1620-8-0x0000000004C10000-0x0000000004C14000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1104-10-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1104-12-0x0000000002590000-0x00000000025A1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/276-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1448-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/636-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/636-21-0x0000000002540000-0x0000000002551000-memory.dmp

memory/276-22-0x00000000003C0000-0x00000000003F7000-memory.dmp

memory/688-23-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Afevrziphodq\kheely.dat

MD5 fe17102ff31f206f66ef543659c403ef
SHA1 82b9aab73dab13d1d6ed67fc51d916964a13d21c
SHA256 cff6e1aaeeb33140cce239300521b0bbeed5b05c9f6581776c90b8384505a8eb
SHA512 019e7e39441bc67274635146cc9a035a362e3a7fb4892327f6955f17176a3a735e0c99b97dc6fa22d892af321f4a31d9c6e724e9e1cb074b351b81346962a17f

memory/856-25-0x0000000000000000-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 22:35

Platform

win10

Max time kernel

8s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-319655896.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-319655896.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 4440

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4440

Network

N/A

Files

memory/3896-0-0x00007FFD5CC80000-0x00007FFD5D346000-memory.dmp

memory/4036-3-0x0000000000000000-mapping.dmp

memory/204-4-0x0000000000000000-mapping.dmp

memory/204-5-0x000001A9605C0000-0x000001A9605C1000-memory.dmp

memory/204-6-0x000001A9605C0000-0x000001A9605C1000-memory.dmp

memory/204-8-0x000001A960D50000-0x000001A960D51000-memory.dmp

memory/204-11-0x000001A960F70000-0x000001A960F71000-memory.dmp

memory/204-12-0x000001A960F70000-0x000001A960F71000-memory.dmp

memory/204-13-0x000001A960F70000-0x000001A960F71000-memory.dmp