Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-15kmhxzt4a
Target doc_pack-347551717.xls
SHA256 5367352d3bf6e369c752291c83f9a196b2335dbe147b10149280292e709b2d82
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

5367352d3bf6e369c752291c83f9a196b2335dbe147b10149280292e709b2d82

Threat Level: Known bad

The file doc_pack-347551717.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Suspicious Office macro

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

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

win7

Max time kernel

143s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-347551717.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\Baeirtamm\yunqdlsa.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1124 wrote to memory of 1972 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 1972 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 1972 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 1972 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1972 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1972 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1972 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1972 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1972 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 1972 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 1972 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 1972 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 1972 wrote to memory of 1036 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1972 wrote to memory of 1036 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1972 wrote to memory of 1036 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1972 wrote to memory of 1036 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 568 wrote to memory of 976 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 568 wrote to memory of 976 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 568 wrote to memory of 976 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 568 wrote to memory of 976 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe
PID 568 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1140 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-347551717.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\Baeirtamm\yunqdlsa.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mwlvncby /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I mwlvncby" /SC ONCE /Z /ST 22:31 /ET 22:43

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {8EB085EE-EF9C-4EE6-AC2D-50058F02955C} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1696-2-0x000007FEF6B70000-0x000007FEF6DEA000-memory.dmp

memory/1972-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1124-5-0x0000000004CB0000-0x0000000004CB4000-memory.dmp

memory/1124-6-0x0000000006310000-0x0000000006314000-memory.dmp

memory/1124-7-0x0000000002F70000-0x0000000002F71000-memory.dmp

memory/1124-11-0x0000000005130000-0x0000000005134000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/920-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/920-15-0x0000000002560000-0x0000000002571000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/568-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1036-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/976-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/976-24-0x00000000023B0000-0x00000000023C1000-memory.dmp

memory/568-25-0x00000000004B0000-0x00000000004E7000-memory.dmp

memory/1708-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Baeirtamm\yunqdlsa.dat

MD5 7b3918dea04b5f611e697810c44f7611
SHA1 dd29a5f938a70ed5abf1f27761462b6e2dd1ab4f
SHA256 e39d08d953c9bad06507a2662ecd84cad28641f5f30a7418f3065ef9bdfabfc7
SHA512 05166c600ef53de62d33f55f7a0fbb3b4b7e4f4b56991f34020a575b9f9529e04ed6947b7c81a89d3192e7d78734cbd763f9264c2b2e53e2d16fa5f259c3899a

memory/1140-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:25

Reported

2020-10-20 22:35

Platform

win10

Max time kernel

136s

Max time network

137s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-347551717.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\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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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-347551717.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/3832-0-0x00007FFDD5E40000-0x00007FFDD6506000-memory.dmp

memory/1536-3-0x0000000000000000-mapping.dmp

memory/1676-4-0x0000000000000000-mapping.dmp

memory/1676-5-0x00000233F0DE0000-0x00000233F0DE1000-memory.dmp

memory/1676-6-0x00000233F0DE0000-0x00000233F0DE1000-memory.dmp

memory/1676-8-0x00000233F1480000-0x00000233F1481000-memory.dmp

memory/1676-11-0x00000233F17B0000-0x00000233F17B1000-memory.dmp

memory/1676-12-0x00000233F17B0000-0x00000233F17B1000-memory.dmp

memory/1676-13-0x00000233F17B0000-0x00000233F17B1000-memory.dmp