Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-zsm5jsd17j
Target doc_pack-340914655.xls
SHA256 4b9cc1e250931e638aaab20a46fa7b3563e9947620f7ca1c7e0f421b2a34207c
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

4b9cc1e250931e638aaab20a46fa7b3563e9947620f7ca1c7e0f421b2a34207c

Threat Level: Known bad

The file doc_pack-340914655.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

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:22

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 22:22

Reported

2020-10-20 22:28

Platform

win7v200722

Max time kernel

125s

Max time network

15s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-340914655.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\Auwojhp\lgywon.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 836 wrote to memory of 588 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 836 wrote to memory of 588 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 836 wrote to memory of 588 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 836 wrote to memory of 588 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 588 wrote to memory of 1508 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 588 wrote to memory of 1508 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 588 wrote to memory of 1508 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 588 wrote to memory of 1508 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 588 wrote to memory of 1060 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 588 wrote to memory of 1060 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 588 wrote to memory of 1060 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 588 wrote to memory of 1060 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 588 wrote to memory of 1260 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 588 wrote to memory of 1260 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 588 wrote to memory of 1260 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 588 wrote to memory of 1260 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 1060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 1060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 1060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
PID 1060 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Windows\SysWOW64\explorer.exe
PID 1060 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Windows\SysWOW64\explorer.exe
PID 1060 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Windows\SysWOW64\explorer.exe
PID 1060 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Windows\SysWOW64\explorer.exe
PID 1060 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe C:\Windows\SysWOW64\explorer.exe
PID 1992 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1992 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1992 wrote to memory of 1680 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1992 wrote to memory of 1680 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-340914655.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\Auwojhp\lgywon.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wcafdsxqzk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I wcafdsxqzk" /SC ONCE /Z /ST 00:24 /ET 00:36

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {71F645E5-36E8-4CEC-AB10-D79B5D87426D} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1732-2-0x000007FEF8550000-0x000007FEF87CA000-memory.dmp

memory/588-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/836-5-0x00000000070F0000-0x00000000070F4000-memory.dmp

memory/836-6-0x00000000060F0000-0x00000000060F4000-memory.dmp

memory/836-9-0x0000000004E40000-0x0000000004E44000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1508-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1508-13-0x00000000024E0000-0x00000000024F1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1060-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1260-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1832-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1832-22-0x0000000002510000-0x0000000002521000-memory.dmp

memory/1060-23-0x0000000000630000-0x0000000000667000-memory.dmp

memory/1840-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.dat

MD5 aa4ba85e101a295ae98acee1ec17d09f
SHA1 057792773184e4a6407e04a8ff4090c9b9da83b4
SHA256 eaba0de6cbeade3a3506aecfedbb5a2a16de8bb4b2fc6518b83e4c8e7ae839b6
SHA512 19d018d3b24460e6fd79364c9efa4ae6108c276c50a78b1c7eb6695a20d205da5a1ca2eaef890a84331971ae26a5b77c6a4e6318dc8e1fd8cfc0396f85f089c0

memory/1680-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:22

Reported

2020-10-20 22:28

Platform

win10

Max time kernel

129s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-340914655.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 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-340914655.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 4440

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4440

Network

N/A

Files

memory/2880-0-0x00007FF883C90000-0x00007FF884356000-memory.dmp

memory/2528-4-0x0000000000000000-mapping.dmp

memory/3316-5-0x0000000000000000-mapping.dmp

memory/3316-6-0x0000022F49070000-0x0000022F49071000-memory.dmp

memory/3316-7-0x0000022F49070000-0x0000022F49071000-memory.dmp

memory/3316-9-0x0000022F49840000-0x0000022F49841000-memory.dmp

memory/3316-12-0x0000022F49C40000-0x0000022F49C41000-memory.dmp

memory/3316-14-0x0000022F49BA0000-0x0000022F49BA1000-memory.dmp

memory/3316-15-0x0000022F49BA0000-0x0000022F49BA1000-memory.dmp

memory/3316-16-0x0000022F49BA0000-0x0000022F49BA1000-memory.dmp