Malware Analysis Report

2025-05-05 21:37

Sample ID 201020-2b5v2caw26
Target doc_pack-609454536.xls
SHA256 56f755078adfb9fc333786f496ea76949a695aa84c2d32fa943638c039341782
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

56f755078adfb9fc333786f496ea76949a695aa84c2d32fa943638c039341782

Threat Level: Known bad

The file doc_pack-609454536.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

Office macro that triggers on suspicious action

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Enumerates system info in registry

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:08

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 23:08

Reported

2020-10-20 23:16

Platform

win7

Max time kernel

133s

Max time network

9s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-609454536.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\Oqazje\iauhu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1324 wrote to memory of 2028 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1324 wrote to memory of 2028 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1324 wrote to memory of 2028 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1324 wrote to memory of 2028 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2028 wrote to memory of 736 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2028 wrote to memory of 736 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2028 wrote to memory of 736 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2028 wrote to memory of 736 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2028 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 2028 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 2028 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 2028 wrote to memory of 1072 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 2028 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2028 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2028 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2028 wrote to memory of 1012 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1072 wrote to memory of 952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 1072 wrote to memory of 952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 1072 wrote to memory of 952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 1072 wrote to memory of 952 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe
PID 1072 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Windows\SysWOW64\explorer.exe
PID 1072 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Windows\SysWOW64\explorer.exe
PID 1072 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Windows\SysWOW64\explorer.exe
PID 1072 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Windows\SysWOW64\explorer.exe
PID 1072 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe C:\Windows\SysWOW64\explorer.exe
PID 1940 wrote to memory of 892 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1940 wrote to memory of 892 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1940 wrote to memory of 892 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1940 wrote to memory of 892 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-609454536.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\Oqazje\iauhu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn daecqzw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I daecqzw" /SC ONCE /Z /ST 23:12 /ET 23:24

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {F2BE8100-B4FD-42F9-8B2E-3BADE7190B2A} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1400-1-0x000007FEF2BD0000-0x000007FEF2E4A000-memory.dmp

memory/2028-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1324-4-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

memory/1324-5-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

memory/1324-6-0x0000000002530000-0x0000000002531000-memory.dmp

memory/1324-10-0x0000000004C40000-0x0000000004C44000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/736-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/736-14-0x0000000002640000-0x0000000002651000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1072-17-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1012-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/952-21-0x0000000000000000-mapping.dmp

memory/952-23-0x0000000002560000-0x0000000002571000-memory.dmp

memory/1072-24-0x0000000000450000-0x0000000000487000-memory.dmp

memory/1548-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oqazje\iauhu.dat

MD5 dcc6cc370d26364b645f035efcf6e831
SHA1 3c24fdbd769ea8e74fa9a9b7c57d2efe0a474811
SHA256 85e2856c6e61d41bd1ac2967c17541b46a6332ba9efdb1fef206891f08760efe
SHA512 349ab5bc3f00e171643e72c993be0456369bce831a69d841ed3f88322ab755c68d7420fc8d0afa7ae8897cfbdce1b7a65e5b0eb4f46086cb0e8e36cbbc7a6912

memory/892-27-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:16

Platform

win10v200722

Max time kernel

81s

Max time network

143s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-609454536.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-609454536.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 4612

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4612

Network

N/A

Files

memory/3056-0-0x00007FFFE4C40000-0x00007FFFE5306000-memory.dmp

memory/208-2-0x0000000000000000-mapping.dmp

memory/2840-3-0x0000000000000000-mapping.dmp

memory/2840-4-0x000001513CF90000-0x000001513CF91000-memory.dmp

memory/2840-5-0x000001513CF90000-0x000001513CF91000-memory.dmp

memory/2840-7-0x000001513D6D0000-0x000001513D6D1000-memory.dmp

memory/2840-10-0x000001513DAD0000-0x000001513DAD1000-memory.dmp

memory/2840-12-0x000001513D930000-0x000001513D931000-memory.dmp

memory/2840-13-0x000001513D930000-0x000001513D931000-memory.dmp

memory/2840-14-0x000001513D930000-0x000001513D931000-memory.dmp

memory/2840-15-0x000001513D610000-0x000001513D611000-memory.dmp