Malware Analysis Report

2024-11-30 13:52

Sample ID 201029-3eml2nq2tn
Target doc_pack-1935727244.xlsb
SHA256 8ad1605ba12f219bbae7b37a60c80ac935e8d7d5a59c74b8b9ece7539fa2d78b
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

8ad1605ba12f219bbae7b37a60c80ac935e8d7d5a59c74b8b9ece7539fa2d78b

Threat Level: Known bad

The file doc_pack-1935727244.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Loads dropped DLL

Creates scheduled task(s)

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 03:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 03:39

Reported

2020-10-29 03:58

Platform

win7v20201028

Max time kernel

145s

Max time network

148s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-1935727244.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
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 (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
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 (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

Suspicious behavior: MapViewOfSection

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 1096 wrote to memory of 1068 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1096 wrote to memory of 1068 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1096 wrote to memory of 1068 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1096 wrote to memory of 1068 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1096 wrote to memory of 1968 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1096 wrote to memory of 1968 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1096 wrote to memory of 1968 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1096 wrote to memory of 1968 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1096 wrote to memory of 1344 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1096 wrote to memory of 1344 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1096 wrote to memory of 1344 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1096 wrote to memory of 1344 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1968 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1968 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1968 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe
PID 1968 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Windows\SysWOW64\explorer.exe
PID 1968 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe C:\Windows\SysWOW64\explorer.exe
PID 1460 wrote to memory of 1788 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1460 wrote to memory of 1788 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1460 wrote to memory of 1788 N/A C:\Windows\system32\taskeng.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 1460 wrote to memory of 1788 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-1935727244.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\Arkxyqgrz\nsemokmr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ldyqgnk /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I ldyqgnk" /SC ONCE /Z /ST 04:54 /ET 05:06

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {E4A1A289-7E5A-41DE-9009-4C1C1F6C6ACB} S-1-5-18:NT AUTHORITY\System:Service:

C:\hgoitk\nkorpy\exlwhtih.exe

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

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 8.238.21.254:80 www.download.windowsupdate.com tcp

Files

memory/1632-0-0x0000000000540000-0x0000000000541000-memory.dmp

memory/2000-1-0x000007FEF7540000-0x000007FEF77BA000-memory.dmp

\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1096-4-0x0000000000000000-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/1068-7-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1068-9-0x0000000002540000-0x0000000002551000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1968-12-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1344-14-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1056-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

memory/1056-18-0x0000000002530000-0x0000000002541000-memory.dmp

memory/1968-19-0x0000000001DB0000-0x0000000001DE7000-memory.dmp

memory/1584-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Arkxyqgrz\nsemokmr.dat

MD5 b301d62c757e65cd0a51efdf798ce048
SHA1 c40aa913fb0244f7c2d1d1f8625d23ae7091f4c1
SHA256 499ee8e5e0f6392811a3c54707dd8ea4b781a168bcfdad5ff82fef0f5f898b07
SHA512 cf82490092a1db2d5ad436723c63eb48eddf1c933d2b892dc633de122ed507585e2d891727ec1a22c769fa8fa21f3c4f3868dbdc794421d41ef47becb4325495

memory/1788-22-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 e7fb89ff479959bedf84eed00a642f07
SHA1 fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA256 9089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512 328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 03:39

Reported

2020-10-29 03:58

Platform

win10v20201028

Max time kernel

136s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-1935727244.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

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-1935727244.xlsb"

Network

Country Destination Domain Proto
N/A 52.109.8.19:443 tcp
N/A 8.8.8.8:53 live-now.club udp
N/A 162.213.253.56:443 live-now.club tcp

Files

memory/3004-0-0x00007FFCA1D70000-0x00007FFCA23A7000-memory.dmp