Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-b4lhca9kg2
Target doc_pack-418403106.xls
SHA256 764a920b8397794ee25686ccfd08c2d8a1a73e1f038ba0429aef74fa78cef94b
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

764a920b8397794ee25686ccfd08c2d8a1a73e1f038ba0429aef74fa78cef94b

Threat Level: Known bad

The file doc_pack-418403106.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Executes dropped EXE

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Enumerates system info 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

win7

Max time kernel

107s

Max time network

63s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-418403106.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\Ojfkayxei\bafzhe.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1448 wrote to memory of 1076 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 wrote to memory of 1076 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 wrote to memory of 1076 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1448 wrote to memory of 1076 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1076 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1076 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1076 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1076 wrote to memory of 1332 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1076 wrote to memory of 304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 1076 wrote to memory of 304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 1076 wrote to memory of 304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 1076 wrote to memory of 304 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 1076 wrote to memory of 1928 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1076 wrote to memory of 1928 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1076 wrote to memory of 1928 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1076 wrote to memory of 1928 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 304 wrote to memory of 684 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 304 wrote to memory of 684 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 304 wrote to memory of 684 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 304 wrote to memory of 684 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
PID 304 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Windows\SysWOW64\explorer.exe
PID 304 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Windows\SysWOW64\explorer.exe
PID 304 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Windows\SysWOW64\explorer.exe
PID 304 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Windows\SysWOW64\explorer.exe
PID 304 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe C:\Windows\SysWOW64\explorer.exe
PID 2016 wrote to memory of 1416 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2016 wrote to memory of 1416 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2016 wrote to memory of 1416 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2016 wrote to memory of 1416 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-418403106.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\Ojfkayxei\bafzhe.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xwgyqbmbf /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I xwgyqbmbf" /SC ONCE /Z /ST 22:36 /ET 22:48

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.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 xwgyqbmbf

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/1908-2-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

memory/1076-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1448-5-0x0000000007040000-0x0000000007044000-memory.dmp

memory/1448-6-0x0000000006040000-0x0000000006044000-memory.dmp

memory/1448-7-0x0000000002500000-0x0000000002501000-memory.dmp

memory/1448-11-0x0000000004E00000-0x0000000004E04000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1332-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1332-15-0x00000000024F0000-0x0000000002501000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/304-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1928-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/684-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/684-24-0x0000000002500000-0x0000000002511000-memory.dmp

memory/304-25-0x0000000000350000-0x0000000000387000-memory.dmp

memory/1412-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.dat

MD5 3502e1c1a1d23f989476b93dbfed8e00
SHA1 8fb275112ab70ae536a9a1bb224505cd4d4ebbe2
SHA256 8cfac9072c0f072e425faa06cff2c856af69e1adf23b011579cac19215918d51
SHA512 7af2ae0ed14a3948aed4ffaa0f9d301e0277fdf67cb126b6d19db407c15d2e66f567cbd2196eaaa76eceaed2be56abf693c87c963a9cc30623b29b85dea5ab60

memory/1416-28-0x0000000000000000-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

win10v200722

Max time kernel

78s

Max time network

148s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-418403106.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-418403106.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 4716

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4716

Network

N/A

Files

memory/496-0-0x00007FFF56F00000-0x00007FFF575C6000-memory.dmp

memory/4020-3-0x0000000000000000-mapping.dmp

memory/3712-4-0x0000000000000000-mapping.dmp

memory/3712-5-0x0000025051750000-0x0000025051751000-memory.dmp

memory/3712-6-0x0000025051750000-0x0000025051751000-memory.dmp

memory/3712-8-0x0000025051F30000-0x0000025051F31000-memory.dmp

memory/3712-11-0x0000025051F30000-0x0000025051F31000-memory.dmp

memory/3712-12-0x0000025052330000-0x0000025052331000-memory.dmp

memory/3712-14-0x0000025052270000-0x0000025052271000-memory.dmp

memory/3712-15-0x0000025052270000-0x0000025052271000-memory.dmp

memory/3712-16-0x0000025052270000-0x0000025052271000-memory.dmp

memory/3712-17-0x0000025051E70000-0x0000025051E71000-memory.dmp