Malware Analysis Report

2025-05-05 21:36

Sample ID 201020-lzp91kmw36
Target doc_pack-558028279.xls
SHA256 9a6b11256e4f07bebe32f2eec83c9501ff2a38e3b609b999d2879f0254aef45c
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

9a6b11256e4f07bebe32f2eec83c9501ff2a38e3b609b999d2879f0254aef45c

Threat Level: Known bad

The file doc_pack-558028279.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 behavior: AddClipboardFormatListener

Checks processor information in registry

Enumerates system info in registry

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:12

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 23:12

Reported

2020-10-20 23:21

Platform

win7v200722

Max time kernel

101s

Max time network

13s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-558028279.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\Pywazwuuea\hegmo.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 304 wrote to memory of 1936 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 304 wrote to memory of 1936 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 304 wrote to memory of 1936 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 304 wrote to memory of 1936 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1936 wrote to memory of 1996 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1936 wrote to memory of 1996 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1936 wrote to memory of 1996 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1936 wrote to memory of 1996 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1936 wrote to memory of 1416 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1936 wrote to memory of 1416 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1936 wrote to memory of 1416 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1936 wrote to memory of 1416 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1936 wrote to memory of 804 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 804 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 804 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 804 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1416 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1416 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1416 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1416 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
PID 1416 wrote to memory of 944 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Windows\SysWOW64\explorer.exe
PID 1416 wrote to memory of 944 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Windows\SysWOW64\explorer.exe
PID 1416 wrote to memory of 944 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Windows\SysWOW64\explorer.exe
PID 1416 wrote to memory of 944 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Windows\SysWOW64\explorer.exe
PID 1416 wrote to memory of 944 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe C:\Windows\SysWOW64\explorer.exe
PID 1548 wrote to memory of 948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1548 wrote to memory of 948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1548 wrote to memory of 948 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1548 wrote to memory of 948 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-558028279.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\Pywazwuuea\hegmo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gtasnfrfxi /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I gtasnfrfxi" /SC ONCE /Z /ST 01:24 /ET 01:36

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {EEB7068F-4EF6-48BF-8E53-4680B3E2A936} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1172-1-0x000007FEF8040000-0x000007FEF82BA000-memory.dmp

memory/1936-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/304-4-0x0000000006C60000-0x0000000006C64000-memory.dmp

memory/304-5-0x0000000006E10000-0x0000000006E14000-memory.dmp

memory/304-6-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

memory/304-10-0x0000000005C60000-0x0000000005C64000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1996-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1996-14-0x0000000002580000-0x0000000002591000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1416-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/804-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1872-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1872-23-0x00000000024C0000-0x00000000024D1000-memory.dmp

memory/1416-24-0x0000000000550000-0x0000000000587000-memory.dmp

memory/944-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.dat

MD5 e041419a27f9e0c5d2f4044f1e493a88
SHA1 b409ef24e30d53f53ee619639d6efe3e9f6f462b
SHA256 026a6d9123f4f8302cb93769fcc9f59b42136ffaf9b501528ec76e418e3a702e
SHA512 29668cb815cda16da2ce09e5ddf6e27344febc2542e517f67e8db15e55832ad597c4cf1e850e7518ed7bb28641a777ff4c1ee4a61c3537a5c4f13e7aedb202bf

memory/948-27-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:12

Reported

2020-10-20 23:21

Platform

win10

Max time kernel

87s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-558028279.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-558028279.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 4476

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4476

Network

N/A

Files

memory/3404-0-0x00007FFEADA80000-0x00007FFEAE146000-memory.dmp

memory/2204-3-0x0000000000000000-mapping.dmp

memory/2468-4-0x0000000000000000-mapping.dmp

memory/2468-5-0x0000019DFDFF0000-0x0000019DFDFF1000-memory.dmp

memory/2468-6-0x0000019D80840000-0x0000019D80841000-memory.dmp

memory/2468-7-0x0000019D80840000-0x0000019D80841000-memory.dmp

memory/2468-9-0x0000019D80840000-0x0000019D80841000-memory.dmp

memory/2468-10-0x0000019D80C40000-0x0000019D80C41000-memory.dmp

memory/2468-12-0x0000019D80B60000-0x0000019D80B61000-memory.dmp

memory/2468-13-0x0000019D80B60000-0x0000019D80B61000-memory.dmp

memory/2468-14-0x0000019D80B60000-0x0000019D80B61000-memory.dmp

memory/2468-15-0x0000019D80780000-0x0000019D80781000-memory.dmp