Malware Analysis Report

2024-11-30 13:52

Sample ID 201029-mhgqbx27ss
Target doc_pack-1913466908.xlsb
SHA256 39c421c4b0ec1581c4ac55c17cbc023738b0524846aec987646ac14e02f1bf9b
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

39c421c4b0ec1581c4ac55c17cbc023738b0524846aec987646ac14e02f1bf9b

Threat Level: Known bad

The file doc_pack-1913466908.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Loads dropped DLL

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Modifies Internet Explorer settings

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 03:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 03:12

Reported

2020-10-29 03:52

Platform

win7v20201028

Max time kernel

149s

Max time network

127s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-1913466908.xlsb

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

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\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 (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
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\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\MenuExt 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

Suspicious behavior: MapViewOfSection

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1816 wrote to memory of 1880 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1816 wrote to memory of 1880 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1816 wrote to memory of 1880 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1816 wrote to memory of 1880 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1880 wrote to memory of 360 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1880 wrote to memory of 360 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1880 wrote to memory of 360 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1880 wrote to memory of 360 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1880 wrote to memory of 1760 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1880 wrote to memory of 1760 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1880 wrote to memory of 1760 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1880 wrote to memory of 1760 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1880 wrote to memory of 1400 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1880 wrote to memory of 1400 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1880 wrote to memory of 1400 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1880 wrote to memory of 1400 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1760 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1760 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1760 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1760 wrote to memory of 1852 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe
PID 1760 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Windows\SysWOW64\explorer.exe
PID 1760 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Windows\SysWOW64\explorer.exe
PID 1760 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Windows\SysWOW64\explorer.exe
PID 1760 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Windows\SysWOW64\explorer.exe
PID 1760 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe C:\Windows\SysWOW64\explorer.exe
PID 240 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 240 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 240 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 240 wrote to memory of 1636 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe

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-1913466908.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\Yamndwvowp\csxoym.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xtsuhlvmu /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I xtsuhlvmu" /SC ONCE /Z /ST 04:49 /ET 05:01

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {3F2959BB-776D-4A00-9957-8850E7584CE7} S-1-5-18:NT AUTHORITY\System:Service:

C:\hgoitk\nkorpy\exlwhtih.exe

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

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 live-now.club udp
N/A 162.213.253.56:443 live-now.club tcp
N/A 8.8.8.8:53 www.download.windowsupdate.com udp
N/A 205.185.216.42:80 www.download.windowsupdate.com tcp

Files

memory/524-0-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1880-3-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

\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/360-6-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/360-8-0x0000000002530000-0x0000000002541000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1760-11-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1400-13-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1852-15-0x0000000000000000-mapping.dmp

memory/1852-17-0x00000000024F0000-0x0000000002501000-memory.dmp

memory/1760-18-0x00000000020E0000-0x0000000002117000-memory.dmp

memory/2036-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yamndwvowp\csxoym.dat

MD5 80e22cfd3037f78a15b2fa5a56634f87
SHA1 d2293c9806f5eea8e6974ae39db6504f274d7812
SHA256 04469ba58b8dceba0413ed19d4545b534becb4b366badf8cf8c92cae36799ab4
SHA512 2d525390b4008f92384511466d0441b6bc3baaf2912e33d1997920210d6b48abf6961129dd827b755a42a32fa9f3655d8245c78ed9dfd5c68eafec40e926d6f6

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1636-21-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 03:12

Reported

2020-10-29 03:52

Platform

win10v20201028

Max time kernel

138s

Max time network

128s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-1913466908.xlsb"

Signatures

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

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 use of FindShellTrayWindow

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

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-1913466908.xlsb"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 live-now.club udp
N/A 162.213.253.56:443 live-now.club tcp
N/A 40.90.137.120:443 login.live.com tcp

Files

memory/1140-0-0x00007FFB54F80000-0x00007FFB555B7000-memory.dmp

memory/1140-1-0x000001D9E1760000-0x000001D9E1764000-memory.dmp