Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-k6r823lyxn
Target doc_pack-33810586.xls
SHA256 7c0a8a06a1eafe72ff3de4a7c7ee8dbb50e0a10aa4f0e4fc5a7f265c0946bb1c
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

7c0a8a06a1eafe72ff3de4a7c7ee8dbb50e0a10aa4f0e4fc5a7f265c0946bb1c

Threat Level: Known bad

The file doc_pack-33810586.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Executes dropped EXE

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: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:23

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 22:23

Reported

2020-10-20 22:31

Platform

win7

Max time kernel

109s

Max time network

106s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-33810586.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\Nfduipbllqq\tgaflv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1448 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 wrote to memory of 2000 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 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 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2000 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 2000 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 2000 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 2000 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 2000 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2000 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1332 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 1332 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 1332 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 1332 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe
PID 1332 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Windows\SysWOW64\explorer.exe
PID 1332 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1904 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1904 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1904 wrote to memory of 1528 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-33810586.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\Nfduipbllqq\tgaflv.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn egyxthx /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I egyxthx" /SC ONCE /Z /ST 22:34 /ET 22:46

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {132F58B4-33E3-4394-9AF2-6411A6FF0CF3} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1848-2-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

memory/2000-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1448-5-0x0000000007030000-0x0000000007034000-memory.dmp

memory/1448-6-0x0000000006030000-0x0000000006034000-memory.dmp

memory/1448-7-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

memory/1448-11-0x0000000004D00000-0x0000000004D04000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/320-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/320-15-0x00000000025C0000-0x00000000025D1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1332-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1016-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1928-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1928-24-0x0000000002480000-0x0000000002491000-memory.dmp

memory/1332-25-0x00000000003C0000-0x00000000003F7000-memory.dmp

memory/1764-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nfduipbllqq\tgaflv.dat

MD5 591745e1b26db04fdf96d9904fcef972
SHA1 199061dddd75da06500a4f4bc052f8103d385b06
SHA256 a050d8b183d28883907be165e67c2c9d55d0ae79a36882e971eca4ccfd68dc4a
SHA512 c681c51b6511fadbc5466a9d04d111d8cb165519f36aa499e9d780db4bc000b23f21f0251fdb14ba5ceb5124e4a1291eb2c57e58d88f0f14901dcc07599cc0dc

memory/1528-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:23

Reported

2020-10-20 22:31

Platform

win10v200722

Max time kernel

77s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-33810586.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\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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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-33810586.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 4736

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4736

Network

N/A

Files

memory/580-0-0x00007FFE41380000-0x00007FFE41A46000-memory.dmp

memory/788-3-0x0000000000000000-mapping.dmp

memory/3568-4-0x0000000000000000-mapping.dmp

memory/3568-5-0x000002CD93710000-0x000002CD93711000-memory.dmp

memory/3568-6-0x000002CD93710000-0x000002CD93711000-memory.dmp

memory/3568-8-0x000002CD93CE0000-0x000002CD93CE1000-memory.dmp

memory/3568-11-0x000002CD93FA0000-0x000002CD93FA1000-memory.dmp

memory/3568-12-0x000002CD93FA0000-0x000002CD93FA1000-memory.dmp

memory/3568-13-0x000002CD93FA0000-0x000002CD93FA1000-memory.dmp