Malware Analysis Report

2024-11-30 13:40

Sample ID 201029-8sqbec6aaa
Target doc_pack-2137859612.xlsb
SHA256 57ccefd723f97c41e4c9dc9ca277541893af895a0af47beb3f7e57ba694a08c5
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

57ccefd723f97c41e4c9dc9ca277541893af895a0af47beb3f7e57ba694a08c5

Threat Level: Known bad

The file doc_pack-2137859612.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Checks SCSI registry key(s)

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 04:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 04:53

Reported

2020-10-29 04:59

Platform

win7v20201028

Max time kernel

67s

Max time network

73s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-2137859612.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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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-2137859612.xlsb

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 mindsup.in udp
N/A 166.62.28.128:443 mindsup.in tcp
N/A 8.8.8.8:53 www.download.windowsupdate.com udp
N/A 8.238.23.126:80 www.download.windowsupdate.com tcp

Files

memory/2040-0-0x000007FEF7DF0000-0x000007FEF806A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 04:53

Reported

2020-10-29 04:59

Platform

win10v20201028

Max time kernel

135s

Max time network

136s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-2137859612.xlsb"

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Checks SCSI registry key(s)

Description Indicator Process Target
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\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\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\Ucfwyduamhir\qitrz.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\Ucfwyduamhir\qitrz.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\Ucfwyduamhir\qitrz.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:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.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\Ucfwyduamhir\qitrz.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\Ucfwyduamhir\qitrz.exe N/A
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

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

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 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: MapViewOfSection

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1048 wrote to memory of 804 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1048 wrote to memory of 804 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1048 wrote to memory of 804 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 804 wrote to memory of 2116 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 804 wrote to memory of 2116 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 804 wrote to memory of 2116 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 804 wrote to memory of 4076 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 804 wrote to memory of 4076 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 804 wrote to memory of 4076 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 804 wrote to memory of 3884 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 804 wrote to memory of 3884 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 804 wrote to memory of 3884 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 4076 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 4076 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 4076 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 4076 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 4076 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 4076 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 4076 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.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-2137859612.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\Ucfwyduamhir\qitrz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tcpxjdeqc /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I tcpxjdeqc" /SC ONCE /Z /ST 06:02 /ET 06:14

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\hgoitk\nkorpy\exlwhtih.exe

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

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 mindsup.in udp
N/A 166.62.28.128:443 mindsup.in tcp

Files

memory/1048-0-0x00007FFEA3EB0000-0x00007FFEA44E7000-memory.dmp

memory/804-1-0x0000000000000000-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/2116-4-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

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

memory/2116-6-0x0000000002690000-0x0000000002691000-memory.dmp

memory/4076-7-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe

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

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe

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

memory/3884-10-0x0000000000000000-mapping.dmp

memory/3660-11-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe

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

memory/3660-13-0x0000000002710000-0x0000000002711000-memory.dmp

memory/4076-14-0x0000000002100000-0x0000000002137000-memory.dmp

memory/2536-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.dat

MD5 7d7bec4cd919371e750a442627659e1b
SHA1 0da7c55466d1859f570643da1dbe29d78215d0b9
SHA256 13b4b99db8ef85bd5ab65b0fa5ff5056dc53bdb5ff47aedf31407b2277fe0ce9
SHA512 18d391bf85e40959f245b3e32b073cd27c93f85eb52b72b3b159bbbec59cfa967059e67661a3cdb864cf2233c0e005d929b6163c63def43204b4d54919850c18

C:\hgoitk\nkorpy\exlwhtih.exe

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

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e