Malware Analysis Report

2024-11-30 13:54

Sample ID 201029-a14xkn3mqj
Target doc_pack-263185160.xlsb
SHA256 8e5f805888524a5821f0d1ea335f906010e0f49e8d842331df456d47c7462a9f
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

8e5f805888524a5821f0d1ea335f906010e0f49e8d842331df456d47c7462a9f

Threat Level: Known bad

The file doc_pack-263185160.xlsb was found to be: Known bad.

Malicious Activity Summary

qakbot tr01 1603793855 banker stealer trojan

Qakbot/Qbot

Executes dropped EXE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks SCSI registry key(s)

Checks processor information in registry

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-29 05:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-29 05:01

Reported

2020-10-29 05:07

Platform

win7v20201028

Max time kernel

73s

Max time network

93s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-263185160.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 (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
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\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 (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

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-263185160.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 205.185.216.42:80 www.download.windowsupdate.com tcp

Files

memory/1664-0-0x000007FEF7DF0000-0x000007FEF806A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-29 05:01

Reported

2020-10-29 05:07

Platform

win10v20201028

Max time kernel

149s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-263185160.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\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\Oouknpo\nkguylip.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\Oouknpo\nkguylip.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\Oouknpo\nkguylip.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 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\Oouknpo\nkguylip.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\Oouknpo\nkguylip.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\Oouknpo\nkguylip.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

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

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\Oouknpo\nkguylip.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 644 wrote to memory of 2328 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 644 wrote to memory of 2328 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 644 wrote to memory of 2328 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\hgoitk\nkorpy\exlwhtih.exe
PID 2328 wrote to memory of 3408 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 2328 wrote to memory of 3408 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 2328 wrote to memory of 3408 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\hgoitk\nkorpy\exlwhtih.exe
PID 2328 wrote to memory of 1148 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 2328 wrote to memory of 1148 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 2328 wrote to memory of 1148 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 2328 wrote to memory of 3704 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 3704 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 2328 wrote to memory of 3704 N/A C:\hgoitk\nkorpy\exlwhtih.exe C:\Windows\SysWOW64\schtasks.exe
PID 1148 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 1148 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 1148 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe
PID 1148 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Windows\SysWOW64\explorer.exe
PID 1148 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Windows\SysWOW64\explorer.exe
PID 1148 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe C:\Windows\SysWOW64\explorer.exe
PID 1148 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.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-263185160.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\Oouknpo\nkguylip.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn oseevcisou /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I oseevcisou" /SC ONCE /Z /ST 06:11 /ET 06:23

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.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/644-0-0x00007FFA007B0000-0x00007FFA00DE7000-memory.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

memory/2328-1-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

memory/3408-4-0x0000000000000000-mapping.dmp

C:\hgoitk\nkorpy\exlwhtih.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

memory/3408-6-0x0000000002740000-0x0000000002741000-memory.dmp

memory/1148-7-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

memory/3704-10-0x0000000000000000-mapping.dmp

memory/2336-11-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.exe

MD5 dc74418cb12da976f9e2c67d4905ae78
SHA1 b73854012dfe7db44b6ceb6bf4a706aebcddab42
SHA256 573c470f4ab4e300303c820021682ec3312b3a92d1c462cd3af0711a20fa203a
SHA512 2de382f2c236cae8250c1e683a34ff5cd7e8e94f95ab02d023db8fdb4ff9dca31558a0d93adef673daa0bd60774c23c74bd804847f43e549fffcbbd214be8fc8

memory/2336-13-0x0000000002710000-0x0000000002711000-memory.dmp

memory/1148-14-0x0000000000850000-0x0000000000887000-memory.dmp

memory/3936-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Oouknpo\nkguylip.dat

MD5 a69fecf78723c0b3faba5cb84f578bbf
SHA1 c5408e1917f7a22816b2f91aa6eca13397ab5086
SHA256 0ba3b892ea138a028287028f09020ce9c31c5a8189fb36103a24adb58cfff90b
SHA512 4665cc3b01d106670af56e3e266863ae17d0c2ddab57bc145012033440abf980855f0b2a123fd6501acc78cbc5262b27a1defc8d182157cf7e69a7a71da44772