Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-ytv6p8es3s
Target doc_pack-44522786.xls
SHA256 c3cc821f31c3e7ba3b5e935b1b6f511b5790affbcd895983f6eaaa31f228a29b
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

c3cc821f31c3e7ba3b5e935b1b6f511b5790affbcd895983f6eaaa31f228a29b

Threat Level: Known bad

The file doc_pack-44522786.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

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

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 22:40

Platform

win7v200722

Max time kernel

132s

Max time network

12s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-44522786.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\Elkiteiadk\ycepmpj.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1108 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1108 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1108 wrote to memory of 1924 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1108 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 1972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1924 wrote to memory of 1152 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1924 wrote to memory of 1152 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1924 wrote to memory of 1152 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1924 wrote to memory of 1152 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1924 wrote to memory of 1792 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1792 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1792 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1924 wrote to memory of 1792 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1152 wrote to memory of 984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1152 wrote to memory of 984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1152 wrote to memory of 984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1152 wrote to memory of 984 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe
PID 1152 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Windows\SysWOW64\explorer.exe
PID 1152 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Windows\SysWOW64\explorer.exe
PID 1152 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Windows\SysWOW64\explorer.exe
PID 1152 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Windows\SysWOW64\explorer.exe
PID 1152 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 2024 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-44522786.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\Elkiteiadk\ycepmpj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn obmrfssg /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I obmrfssg" /SC ONCE /Z /ST 00:44 /ET 00:56

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {39B78614-6BFB-44FB-8EBB-F699C8F17C46} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1820-2-0x000007FEF7770000-0x000007FEF79EA000-memory.dmp

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

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1108-5-0x0000000006F00000-0x0000000006F04000-memory.dmp

memory/1108-6-0x0000000005F00000-0x0000000005F04000-memory.dmp

memory/1108-7-0x0000000002F10000-0x0000000002F11000-memory.dmp

memory/1108-11-0x0000000004D70000-0x0000000004D74000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1972-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1972-15-0x0000000002650000-0x0000000002661000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1152-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1792-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/984-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/984-24-0x0000000002430000-0x0000000002441000-memory.dmp

memory/1152-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

memory/1788-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Elkiteiadk\ycepmpj.dat

MD5 d4ddf17b42847864e1b8c8c1467f3a5f
SHA1 a5989392d1379da4adea7b1c7e7dc68de6a2bcac
SHA256 f80d056952615b86684f5b41a8c3dd1df3677b15bd5157779bc7058ac6baa543
SHA512 674ecb1223f3ba1eec5fb1fc1c29c3c96f61ed1a32314195650e17563cd742e5bb2ae8139fb3e63af53fec59f52532bcc10d91e8bede504cc1ec9c6a303ef178

memory/2024-28-0x0000000000000000-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 22:40

Platform

win10

Max time kernel

139s

Max time network

144s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-44522786.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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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-44522786.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 4476

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4476

Network

N/A

Files

memory/3104-0-0x00007FFA23AA0000-0x00007FFA24166000-memory.dmp

memory/3104-1-0x0000024737FBA000-0x0000024737FBF000-memory.dmp

memory/1976-3-0x0000000000000000-mapping.dmp

memory/2132-4-0x0000000000000000-mapping.dmp

memory/2132-5-0x000001D68DD60000-0x000001D68DD61000-memory.dmp

memory/2132-6-0x000001D68DD60000-0x000001D68DD61000-memory.dmp

memory/2132-8-0x000001D68E5A0000-0x000001D68E5A1000-memory.dmp

memory/2132-11-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

memory/2132-12-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

memory/2132-13-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

memory/2132-14-0x000001D68E4E0000-0x000001D68E4E1000-memory.dmp