Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-2gbrn1fmnj
Target doc_pack-358273168.xls
SHA256 fb486e4ae32ebf7d85f7028223f09d1c906c9a0204a97a76cac995f9e5d0907b
Tags
macro trojan banker stealer qakbot
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

fb486e4ae32ebf7d85f7028223f09d1c906c9a0204a97a76cac995f9e5d0907b

Threat Level: Known bad

The file doc_pack-358273168.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Suspicious Office macro

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:23

Signatures

Office macro that triggers on suspicious action

macro
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 22:23

Reported

2020-10-20 22:30

Platform

win7

Max time kernel

127s

Max time network

108s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-358273168.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe N/A

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 316 wrote to memory of 1308 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 316 wrote to memory of 1308 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 316 wrote to memory of 1308 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 316 wrote to memory of 1308 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1308 wrote to memory of 560 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1308 wrote to memory of 560 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1308 wrote to memory of 560 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1308 wrote to memory of 560 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1308 wrote to memory of 820 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 1308 wrote to memory of 820 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 1308 wrote to memory of 820 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 1308 wrote to memory of 820 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 1308 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1308 wrote to memory of 572 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 820 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 820 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 820 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 820 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
PID 820 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Windows\SysWOW64\explorer.exe
PID 820 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Windows\SysWOW64\explorer.exe
PID 820 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Windows\SysWOW64\explorer.exe
PID 820 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Windows\SysWOW64\explorer.exe
PID 820 wrote to memory of 748 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe C:\Windows\SysWOW64\explorer.exe
PID 1176 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1176 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1176 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1176 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe

Processes

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-358273168.xls

C:\COsuv\Wegerb\szvMhegn.exe

"C:\COsuv\Wegerb\szvMhegn.exe"

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yeufzsuuho /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I yeufzsuuho" /SC ONCE /Z /ST 22:34 /ET 22:46

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {CC4F707B-8186-4B01-9FAC-DBF8AE0F3E1E} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /I yeufzsuuho

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 blog.vokasidev.com udp
N/A 68.65.123.245:80 blog.vokasidev.com tcp

Files

memory/1816-1-0x000007FEF6D00000-0x000007FEF6F7A000-memory.dmp

memory/1308-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/316-4-0x0000000006EE0000-0x0000000006EE4000-memory.dmp

memory/316-5-0x0000000005EE0000-0x0000000005EE4000-memory.dmp

memory/316-6-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

memory/316-10-0x0000000004B50000-0x0000000004B54000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/560-12-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/560-14-0x0000000002570000-0x0000000002581000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/820-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/572-19-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1044-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1044-24-0x00000000023E0000-0x00000000023F1000-memory.dmp

memory/820-25-0x00000000003C0000-0x00000000003F7000-memory.dmp

memory/748-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.dat

MD5 28fbfb11731d7102f0f4ed33fe127c25
SHA1 0c142e655fc1c13f8d3085b60dc8ebb0a9e41a7a
SHA256 f705c09478d11f462b5e71c27df7210812a5898639364d085987a497686b5aeb
SHA512 a2bfba77d72390fc6a8e998972c506251643bba723d29e89f7c31c748f9d94f20a5846280f587bbb1f5f2137f340acdb20d7390ba307de964d5239452f871b72

memory/1112-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:23

Reported

2020-10-20 22:30

Platform

win10v200722

Max time kernel

75s

Max time network

138s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-358273168.xls"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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: EnumeratesProcesses

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
N/A N/A C:\Windows\system32\dwwin.exe N/A
N/A N/A C:\Windows\system32\dwwin.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-358273168.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4652

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4652

Network

N/A

Files

memory/4036-0-0x00007FF9605B0000-0x00007FF960C76000-memory.dmp

memory/3092-4-0x0000000000000000-mapping.dmp

memory/3664-5-0x0000000000000000-mapping.dmp

memory/3664-6-0x0000020BACE60000-0x0000020BACE61000-memory.dmp

memory/3664-7-0x0000020BACE60000-0x0000020BACE61000-memory.dmp

memory/3664-9-0x0000020BAD5A0000-0x0000020BAD5A1000-memory.dmp

memory/3664-12-0x0000020BAD830000-0x0000020BAD831000-memory.dmp

memory/3664-13-0x0000020BAD830000-0x0000020BAD831000-memory.dmp

memory/3664-14-0x0000020BAD830000-0x0000020BAD831000-memory.dmp

memory/3664-15-0x0000020BAD4E0000-0x0000020BAD4E1000-memory.dmp