Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-w53jv3d9ae
Target doc_pack-640520311.xls
SHA256 770ed602d0882a05d996ec112676b78fb25e629e7ad4aaaf3f40c26b3e7a09f6
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

770ed602d0882a05d996ec112676b78fb25e629e7ad4aaaf3f40c26b3e7a09f6

Threat Level: Known bad

The file doc_pack-640520311.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

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

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: behavioral2

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:18

Platform

win10

Max time kernel

14s

Max time network

137s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-640520311.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-640520311.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 4500

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4500

Network

N/A

Files

memory/3100-0-0x00007FFF01110000-0x00007FFF017D6000-memory.dmp

memory/2112-3-0x0000000000000000-mapping.dmp

memory/2172-4-0x0000000000000000-mapping.dmp

memory/2172-6-0x000001E1E2510000-0x000001E1E2511000-memory.dmp

memory/2172-5-0x000001E1E2510000-0x000001E1E2511000-memory.dmp

memory/2172-8-0x000001E1E2BC0000-0x000001E1E2BC1000-memory.dmp

memory/2172-11-0x000001E1E2FC0000-0x000001E1E2FC1000-memory.dmp

memory/2172-13-0x000001E1E2FC0000-0x000001E1E2FC1000-memory.dmp

memory/2172-15-0x000001E1E2FC0000-0x000001E1E2FC1000-memory.dmp

memory/2172-17-0x000001E1E2F30000-0x000001E1E2F31000-memory.dmp

memory/2172-18-0x000001E1E2F30000-0x000001E1E2F31000-memory.dmp

memory/2172-19-0x000001E1E2F30000-0x000001E1E2F31000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:18

Platform

win7v200722

Max time kernel

66s

Max time network

34s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-640520311.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\Ikeyaab\bysdyizw.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1408 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1408 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1408 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1408 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1912 wrote to memory of 1964 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1912 wrote to memory of 1964 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1912 wrote to memory of 1964 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1912 wrote to memory of 1964 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1912 wrote to memory of 1336 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1912 wrote to memory of 1336 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1912 wrote to memory of 1336 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1912 wrote to memory of 1336 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1912 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1912 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1912 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1912 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1336 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1336 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1336 wrote to memory of 1680 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe
PID 1336 wrote to memory of 912 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 912 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 912 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 912 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Windows\SysWOW64\explorer.exe
PID 1336 wrote to memory of 912 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe C:\Windows\SysWOW64\explorer.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-640520311.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\Ikeyaab\bysdyizw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ohgddiy /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ohgddiy" /SC ONCE /Z /ST 01:15 /ET 01:27

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

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/1872-1-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

memory/1912-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1408-4-0x0000000006F40000-0x0000000006F44000-memory.dmp

memory/1408-5-0x0000000005F40000-0x0000000005F44000-memory.dmp

memory/1408-8-0x0000000004E30000-0x0000000004E34000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1964-10-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1964-12-0x0000000002410000-0x0000000002421000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1336-15-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/924-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1680-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1680-21-0x00000000025E0000-0x00000000025F1000-memory.dmp

memory/1336-22-0x0000000000580000-0x00000000005B7000-memory.dmp

memory/912-23-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Ikeyaab\bysdyizw.dat

MD5 1d15f8d316525ff7e5369c91d2d2d93d
SHA1 0f8a31054098888deb758ee6084dd751ea206932
SHA256 16aa5759b22fedcb18cc74f525cc402e193c32c7968bfc907865fbfa1b1ff32b
SHA512 94140ac30a126cb2608bbcec2243089172c777b3b9002866328ceb9e1d61871189cd28328560dc08c65d34a82147b0c7a4a27802c3ce6e2482faddb15721a404