Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-j241nevpsx
Target doc_pack-411515421.xls
SHA256 a2ea7b06efe1a92fd89ae2aa7c4fa80f1ec5d2047d399695cab376ab8ef033d6
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

a2ea7b06efe1a92fd89ae2aa7c4fa80f1ec5d2047d399695cab376ab8ef033d6

Threat Level: Known bad

The file doc_pack-411515421.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

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

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: MapViewOfSection

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: behavioral2

Detonation Overview

Submitted

2020-10-20 22:28

Reported

2020-10-20 22:37

Platform

win10

Max time kernel

144s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-411515421.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-411515421.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 4468

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4468

Network

N/A

Files

memory/3832-0-0x00007FFDD60B0000-0x00007FFDD6776000-memory.dmp

memory/1992-2-0x0000000000000000-mapping.dmp

memory/2052-3-0x0000000000000000-mapping.dmp

memory/2052-4-0x0000025CCB560000-0x0000025CCB561000-memory.dmp

memory/2052-5-0x0000025CCB560000-0x0000025CCB561000-memory.dmp

memory/2052-7-0x0000025CCBBA0000-0x0000025CCBBA1000-memory.dmp

memory/2052-10-0x0000025CCBBA0000-0x0000025CCBBA1000-memory.dmp

memory/2052-11-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

memory/2052-12-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

memory/2052-13-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

memory/2052-14-0x0000025CCBAE0000-0x0000025CCBAE1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 22:28

Reported

2020-10-20 22:37

Platform

win7v200722

Max time kernel

132s

Max time network

30s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-411515421.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\Qfkgvwe\zigae.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 844 wrote to memory of 1944 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 844 wrote to memory of 1944 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 844 wrote to memory of 1944 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 844 wrote to memory of 1944 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1944 wrote to memory of 2008 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1944 wrote to memory of 2008 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1944 wrote to memory of 2008 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1944 wrote to memory of 2008 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1944 wrote to memory of 1568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1944 wrote to memory of 1568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1944 wrote to memory of 1568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1944 wrote to memory of 1568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1944 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1944 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1944 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1944 wrote to memory of 972 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe
PID 1568 wrote to memory of 360 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Windows\SysWOW64\explorer.exe
PID 1568 wrote to memory of 360 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Windows\SysWOW64\explorer.exe
PID 1568 wrote to memory of 360 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Windows\SysWOW64\explorer.exe
PID 1568 wrote to memory of 360 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Windows\SysWOW64\explorer.exe
PID 1568 wrote to memory of 360 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe C:\Windows\SysWOW64\explorer.exe
PID 288 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 288 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 288 wrote to memory of 960 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 288 wrote to memory of 960 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-411515421.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\Qfkgvwe\zigae.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mnkmptj /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I mnkmptj" /SC ONCE /Z /ST 00:41 /ET 00:53

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {BB687226-8E75-43CD-99B4-8B9552E1F729} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1908-2-0x000007FEF87B0000-0x000007FEF8A2A000-memory.dmp

memory/1944-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/844-5-0x0000000004B60000-0x0000000004B64000-memory.dmp

memory/844-6-0x0000000005EF0000-0x0000000005EF4000-memory.dmp

memory/844-9-0x0000000004CE0000-0x0000000004CE4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2008-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2008-13-0x00000000024D0000-0x00000000024E1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1568-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/972-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1548-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1548-22-0x0000000002590000-0x00000000025A1000-memory.dmp

memory/1568-23-0x0000000000450000-0x0000000000487000-memory.dmp

memory/360-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qfkgvwe\zigae.dat

MD5 fc8c1205293bca056e5c8050a408f370
SHA1 09fc237fd883e6dc9cbc504b080a825982eaf6be
SHA256 6ecca62c648dda0cd5307640895b404d0b870475ba566dfec6594ca680ecc272
SHA512 29912c6e2e95afc8e8eb57d4461fe504aea12796ffac9d24afdb18d66cdc3371e90c25fc4c4c3a42d957c78a52856e5f4f8ef2938f794b69841b77bda942e1e3

memory/960-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f