Malware Analysis Report

2024-11-30 13:42

Sample ID 201029-33tkbdsjn2
Target doc_pack-2100991434.xlsb
SHA256 3690d41062c3e699d4dc8971a69bb3dcab4721cfe0ed2f9a2772d41ea9aac690
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

3690d41062c3e699d4dc8971a69bb3dcab4721cfe0ed2f9a2772d41ea9aac690

Threat Level: Known bad

The file doc_pack-2100991434.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Creates scheduled task(s)

Suspicious behavior: MapViewOfSection

Checks SCSI registry key(s)

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 04:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 04:37

Reported

2020-10-29 04:45

Platform

win7v20201028

Max time kernel

75s

Max time network

92s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-2100991434.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
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
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
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
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 (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
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
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 (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

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-2100991434.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 84.53.175.122:80 www.download.windowsupdate.com tcp

Files

memory/1656-0-0x0000000002360000-0x0000000002361000-memory.dmp

memory/1656-4-0x0000000002360000-0x0000000002361000-memory.dmp

memory/1656-2-0x0000000002360000-0x0000000002361000-memory.dmp

memory/768-5-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 04:37

Reported

2020-10-29 04:45

Platform

win10v20201028

Max time kernel

151s

Max time network

144s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-2100991434.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\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc 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 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 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\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 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 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 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\Ucfwyduamhir\qitrz.exe N/A

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

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 1376 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1048 wrote to memory of 1376 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1048 wrote to memory of 1376 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1376 wrote to memory of 500 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1376 wrote to memory of 500 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1376 wrote to memory of 500 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1376 wrote to memory of 3876 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 1376 wrote to memory of 3876 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 1376 wrote to memory of 3876 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 1376 wrote to memory of 2288 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1376 wrote to memory of 2288 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1376 wrote to memory of 2288 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 3876 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 3876 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 3876 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe
PID 3876 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 3876 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 3876 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ucfwyduamhir\qitrz.exe C:\Windows\SysWOW64\explorer.exe
PID 3876 wrote to memory of 1636 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-2100991434.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 afvwkvzjy /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I afvwkvzjy" /SC ONCE /Z /ST 05:49 /ET 06:01

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 afvwkvzjy

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/1048-0-0x00007FFEA4410000-0x00007FFEA4A47000-memory.dmp

memory/1376-1-0x0000000000000000-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

C:\hgoitk\nkorpy\exlwhtih.exe

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

memory/500-4-0x0000000000000000-mapping.dmp

memory/500-6-0x0000000002680000-0x0000000002681000-memory.dmp

memory/3876-7-0x0000000000000000-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/2288-10-0x0000000000000000-mapping.dmp

memory/2820-11-0x0000000000000000-mapping.dmp

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

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

memory/2820-13-0x0000000002710000-0x0000000002711000-memory.dmp

memory/3876-14-0x0000000000830000-0x0000000000867000-memory.dmp

memory/1636-15-0x0000000000000000-mapping.dmp

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

MD5 883fd6c9c3392c3642f652d18e646884
SHA1 6ad923983be5753e53683def2bf2a71733f67d4e
SHA256 a7c2bfa4af06fe9d41a7d2b74dacf499a0b486d10ec54a373513bdea1042c6ba
SHA512 ee2f7e9d125b0bc4913c2f0c91e78fceb846b9b4eaf6b5ccffaa73980e54689889c7845b48bd6539910c28147dc3d95c935eaddc8f4afbc985cc6cd6153fbec6

C:\hgoitk\nkorpy\exlwhtih.exe

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

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e