Malware Analysis Report

2024-11-30 13:54

Sample ID 201029-vrzyqw17e2
Target doc_pack-211855288.xlsb
SHA256 546aaaa10cc2f9ec9944f3c07dbb8e56c88a552e5d852f71f835ba443e5690ca
Tags
qakbot tr01 1603793855 banker stealer trojan
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

546aaaa10cc2f9ec9944f3c07dbb8e56c88a552e5d852f71f835ba443e5690ca

Threat Level: Known bad

The file doc_pack-211855288.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Checks SCSI registry key(s)

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Enumerates system info in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 04:38

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 04:38

Reported

2020-10-29 04:50

Platform

win7v20201028

Max time kernel

64s

Max time network

44s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-211855288.xlsb

Signatures

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-211855288.xlsb

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 missglamourcosmeticos.com.br udp
N/A 108.179.252.19:443 missglamourcosmeticos.com.br tcp
N/A 108.179.252.19:443 missglamourcosmeticos.com.br tcp
N/A 108.179.252.19:443 missglamourcosmeticos.com.br tcp
N/A 108.179.252.19:443 missglamourcosmeticos.com.br tcp

Files

memory/1940-0-0x000007FEF5DB0000-0x000007FEF602A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 04:38

Reported

2020-10-29 04:50

Platform

win10v20201028

Max time kernel

114s

Max time network

146s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-211855288.xlsb"

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service C:\hgoitk\nkorpy\exlwhtih.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A

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

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3984 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 3984 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 3984 wrote to memory of 1912 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1912 wrote to memory of 2684 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1912 wrote to memory of 2684 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1912 wrote to memory of 2684 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1912 wrote to memory of 1540 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1912 wrote to memory of 1540 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1912 wrote to memory of 1540 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1912 wrote to memory of 2140 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1912 wrote to memory of 2140 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1912 wrote to memory of 2140 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1540 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1540 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1540 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe
PID 1540 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Windows\SysWOW64\explorer.exe
PID 1540 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Windows\SysWOW64\explorer.exe
PID 1540 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Windows\SysWOW64\explorer.exe
PID 1540 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe C:\Windows\SysWOW64\explorer.exe

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-211855288.xlsb"

C:\hgoitk\nkorpy\exlwhtih.exe

"C:\hgoitk\nkorpy\exlwhtih.exe"

C:\hgoitk\nkorpy\exlwhtih.exe

C:\hgoitk\nkorpy\exlwhtih.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lrtddgvat /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I lrtddgvat" /SC ONCE /Z /ST 05:55 /ET 06:07

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
N/A 13.107.42.23:443 config.edge.skype.com tcp
N/A 13.107.42.23:443 config.edge.skype.com tcp
N/A 80.227.52.78:80 tcp
N/A 8.8.8.8:53 missglamourcosmeticos.com.br udp
N/A 108.179.252.19:443 missglamourcosmeticos.com.br tcp
N/A 52.109.8.21:443 tcp
N/A 52.109.76.6:443 officeclient.microsoft.com tcp
N/A 40.90.23.206:443 login.live.com tcp
N/A 13.88.28.53:443 tcp

Files

memory/3984-0-0x00007FFC33900000-0x00007FFC33F37000-memory.dmp

memory/1912-1-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

memory/2684-4-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

memory/2684-6-0x00000000026A0000-0x00000000026A1000-memory.dmp

memory/1540-7-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

memory/2140-10-0x0000000000000000-mapping.dmp

memory/1340-11-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.exe

MD5 96967658deb7d88da248e077dc383eca
SHA1 475c6525bf12dc043e8e20fac9b73b5e5c43165b
SHA256 926a329dedbfa54478aae338e79e8c6861e345084173b2bd54d677ba73ce4342
SHA512 542781099dc56c2cc7c685e87c3962cd65405a5b2e3ec24655e26f9156b2fdbebfd8f550d959b08bfb044cfd49e8bfcff6b3ccef891257177a71dafe7750cba2

memory/1340-13-0x0000000002750000-0x0000000002751000-memory.dmp

memory/1540-14-0x0000000000920000-0x0000000000957000-memory.dmp

memory/2168-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Nuhwilyttwus\ltbkol.dat

MD5 284695c3b2d97c79c64ef14c808ca41d
SHA1 72a9b7569c42f014968b6355cbe1eb5d184b01b8
SHA256 74ded9e54c5e1457bc17e8297b3d4cafb2b06789a2cdd94c460e75be56ce2761
SHA512 790ec3ae8597865207b7d9cb580161577404659239f90c986822a515b0db3514e9758d0cfee6b766ed6d3d352d91e2986d05449dbfcefe5baec981e3752c3e0f