Malware Analysis Report

2024-11-30 13:51

Sample ID 201029-wnr7yh1qaa
Target doc_pack-1949975311.xlsb
SHA256 a76f9ca0f41b5f203477a23d887e2714686dd8f57fbcd416596b1d96d68f9689
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: 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

a76f9ca0f41b5f203477a23d887e2714686dd8f57fbcd416596b1d96d68f9689

Threat Level: Known bad

The file doc_pack-1949975311.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Checks SCSI registry key(s)

Checks processor information in registry

Creates scheduled task(s)

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 03:38

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 03:38

Reported

2020-10-29 03:53

Platform

win10v20201028

Max time kernel

149s

Max time network

153s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-1949975311.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:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.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\Qjfeipdya\lmjexsx.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\Qjfeipdya\lmjexsx.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\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service 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\Service C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.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\Qjfeipdya\lmjexsx.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\Qjfeipdya\lmjexsx.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

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\Qjfeipdya\lmjexsx.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3276 wrote to memory of 3152 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 3276 wrote to memory of 3152 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 3276 wrote to memory of 3152 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 3152 wrote to memory of 3828 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 3152 wrote to memory of 3828 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 3152 wrote to memory of 3828 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 3152 wrote to memory of 3312 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3152 wrote to memory of 3312 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3152 wrote to memory of 3312 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3152 wrote to memory of 1516 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 3152 wrote to memory of 1516 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 3152 wrote to memory of 1516 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 3312 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3312 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3312 wrote to memory of 3848 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe
PID 3312 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Windows\SysWOW64\explorer.exe
PID 3312 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Windows\SysWOW64\explorer.exe
PID 3312 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe C:\Windows\SysWOW64\explorer.exe
PID 3312 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.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-1949975311.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\Qjfeipdya\lmjexsx.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn eaymjrt /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I eaymjrt" /SC ONCE /Z /ST 04:57 /ET 05:09

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

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/3276-0-0x00007FFE2FA90000-0x00007FFE300C7000-memory.dmp

memory/3152-1-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/3828-4-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/3828-6-0x00000000026C0000-0x00000000026C1000-memory.dmp

memory/3312-7-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1516-10-0x0000000000000000-mapping.dmp

memory/3848-11-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/3848-13-0x0000000002700000-0x0000000002701000-memory.dmp

memory/3312-14-0x0000000002220000-0x0000000002257000-memory.dmp

memory/1644-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Qjfeipdya\lmjexsx.dat

MD5 bf4a696afc1ecdc1170688302242495e
SHA1 a58f0e42ac0fcdd26c94b127df71022b25ea4dd7
SHA256 b1990c9e80ce528ba066e07e405b0a6253ac1997a9e4693f29376ff4f95e78b0
SHA512 890f8b2202f21f533a1b9feddc388c93f01b07b69071214856968bd450db8af167e010890ac1f9adb61bc5f07ecae10ac53d81bf040974af91bb31a157f18cef

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 03:38

Reported

2020-10-29 03:53

Platform

win7v20201028

Max time kernel

75s

Max time network

86s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-1949975311.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\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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 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
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
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-1949975311.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 8.248.5.254:80 www.download.windowsupdate.com tcp

Files

memory/592-0-0x000007FEF7900000-0x000007FEF7B7A000-memory.dmp