Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-xmzltjajan
Target doc_pack-322852480.xls
SHA256 a03c79804415b03223cf3c0e53577cc2781da70e5e9449a8e3cff753dbaf6e83
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

a03c79804415b03223cf3c0e53577cc2781da70e5e9449a8e3cff753dbaf6e83

Threat Level: Known bad

The file doc_pack-322852480.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

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

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

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 22:36

Platform

win7v200722

Max time kernel

124s

Max time network

12s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-322852480.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\Zanofomsdsj\zkkypisw.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1244 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1244 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1244 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1244 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 668 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 668 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 668 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 668 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 1108 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1952 wrote to memory of 1108 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1952 wrote to memory of 1108 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1952 wrote to memory of 1108 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1952 wrote to memory of 240 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 240 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 240 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 240 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1108 wrote to memory of 612 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1108 wrote to memory of 612 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1108 wrote to memory of 612 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1108 wrote to memory of 612 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
PID 1108 wrote to memory of 672 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Windows\SysWOW64\explorer.exe
PID 1108 wrote to memory of 672 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Windows\SysWOW64\explorer.exe
PID 1108 wrote to memory of 672 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Windows\SysWOW64\explorer.exe
PID 1108 wrote to memory of 672 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Windows\SysWOW64\explorer.exe
PID 1108 wrote to memory of 672 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe C:\Windows\SysWOW64\explorer.exe
PID 1500 wrote to memory of 1880 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1880 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1880 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1500 wrote to memory of 1880 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-322852480.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\Zanofomsdsj\zkkypisw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fibcmqsk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fibcmqsk" /SC ONCE /Z /ST 00:32 /ET 00:44

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {122B8A81-B88D-4905-8B56-00AE77130DA6} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1804-1-0x000007FEF7FA0000-0x000007FEF821A000-memory.dmp

memory/1952-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1244-4-0x0000000007110000-0x0000000007114000-memory.dmp

memory/1244-5-0x0000000006110000-0x0000000006114000-memory.dmp

memory/1244-6-0x00000000024F0000-0x00000000024F1000-memory.dmp

memory/1244-10-0x0000000004CB0000-0x0000000004CB4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/668-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/668-14-0x0000000002470000-0x0000000002481000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1108-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/240-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/612-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/612-24-0x0000000002540000-0x0000000002551000-memory.dmp

memory/1108-25-0x0000000001E50000-0x0000000001E87000-memory.dmp

memory/672-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.dat

MD5 fe5474004a6ddeb816e76328353f5bb0
SHA1 57ec97296531a94763a7011c98201eb2778983fe
SHA256 333a0787795c5195db2fb2775183d8a82bc393ff1901ae6ce1e1da63f5bc8b8d
SHA512 0bbc2d40df3ddf6214d5727871929c93b2983224309dc331690dfd6678807764e6167787468dd163dd82c91473f707b3c6187a3079d7162d06c8bfa74e8a1008

memory/1880-28-0x0000000000000000-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 22:36

Platform

win10

Max time kernel

127s

Max time network

128s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-322852480.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\~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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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-322852480.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 4436

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4436

Network

N/A

Files

memory/2720-0-0x00007FFBF6ED0000-0x00007FFBF7596000-memory.dmp

memory/1968-4-0x0000000000000000-mapping.dmp

memory/2084-5-0x0000000000000000-mapping.dmp

memory/2084-6-0x000001CB06850000-0x000001CB06851000-memory.dmp

memory/2084-7-0x000001CB06850000-0x000001CB06851000-memory.dmp

memory/2084-9-0x000001CB06FA0000-0x000001CB06FA1000-memory.dmp

memory/2084-12-0x000001CB073A0000-0x000001CB073A1000-memory.dmp

memory/2084-14-0x000001CB07210000-0x000001CB07211000-memory.dmp

memory/2084-15-0x000001CB07210000-0x000001CB07211000-memory.dmp

memory/2084-16-0x000001CB07210000-0x000001CB07211000-memory.dmp

memory/2084-17-0x000001CB06EE0000-0x000001CB06EE1000-memory.dmp