Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-q6f1hvyr8s
Target doc_pack-684594677.xls
SHA256 833d52a5496b5e320dec341172f8f022badfb31b18595f6d68bccb4b57c1cacd
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

833d52a5496b5e320dec341172f8f022badfb31b18595f6d68bccb4b57c1cacd

Threat Level: Known bad

The file doc_pack-684594677.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 WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

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: behavioral1

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:16

Platform

win7

Max time kernel

110s

Max time network

10s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-684594677.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\Aonpjrssmus\umiupi.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1684 wrote to memory of 1460 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1684 wrote to memory of 1460 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1684 wrote to memory of 1460 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1684 wrote to memory of 1460 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1460 wrote to memory of 524 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1460 wrote to memory of 524 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1460 wrote to memory of 524 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1460 wrote to memory of 524 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1460 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 1460 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 1460 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 1460 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 1460 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1460 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1460 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1460 wrote to memory of 432 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 568 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe
PID 568 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe C:\Windows\SysWOW64\explorer.exe
PID 1576 wrote to memory of 1564 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1564 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1564 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1564 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-684594677.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\Aonpjrssmus\umiupi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rweqcegk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I rweqcegk" /SC ONCE /Z /ST 23:12 /ET 23:24

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {9B129FBE-C431-4522-B3B8-BD12F868695A} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/2036-1-0x000007FEF7DE0000-0x000007FEF805A000-memory.dmp

memory/1460-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1684-4-0x0000000007160000-0x0000000007164000-memory.dmp

memory/1684-5-0x0000000006160000-0x0000000006164000-memory.dmp

memory/1684-6-0x0000000002570000-0x0000000002571000-memory.dmp

memory/1684-10-0x0000000004E00000-0x0000000004E04000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/524-12-0x0000000000000000-mapping.dmp

memory/524-14-0x0000000002560000-0x0000000002571000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/568-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/432-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1548-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1548-23-0x0000000002480000-0x0000000002491000-memory.dmp

memory/568-24-0x0000000002450000-0x0000000002487000-memory.dmp

memory/1324-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aonpjrssmus\umiupi.dat

MD5 0752ec2c84850dbabae5b64d716e375f
SHA1 05a7357d31491dea95b14b675e3dd3fc5c613098
SHA256 b59225883ce49d11ba640e33a2fb0f8f659aa936f83c7679e91161b87c9adb40
SHA512 e20a98f2ba284e970bac272e8f5ed3c336c1a71a7f18ba2663c9de4e4e0720c517ab576e0c815f4d7cd63c5fd2a4f28b4d97e0356e38396dd770d456e6ed00ac

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1564-27-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:16

Platform

win10

Max time kernel

144s

Max time network

149s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-684594677.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-684594677.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/792-0-0x00007FFED1730000-0x00007FFED1DF6000-memory.dmp

memory/1460-3-0x0000000000000000-mapping.dmp

memory/1612-4-0x0000000000000000-mapping.dmp

memory/1612-5-0x00000156E14F0000-0x00000156E14F1000-memory.dmp

memory/1612-6-0x00000156E14F0000-0x00000156E14F1000-memory.dmp

memory/1612-8-0x00000156E1B50000-0x00000156E1B51000-memory.dmp

memory/1612-11-0x00000156E1F50000-0x00000156E1F51000-memory.dmp

memory/1612-13-0x00000156E1F50000-0x00000156E1F51000-memory.dmp

memory/1612-15-0x00000156E1F50000-0x00000156E1F51000-memory.dmp

memory/1612-17-0x00000156E1EC0000-0x00000156E1EC1000-memory.dmp

memory/1612-18-0x00000156E1EC0000-0x00000156E1EC1000-memory.dmp

memory/1612-19-0x00000156E1EC0000-0x00000156E1EC1000-memory.dmp