Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-48nnbehyde
Target doc_pack-694290980.xls
SHA256 2c3d1adbd77046dd2842c3fe5a495751ba2bd8600b32e77ac68afa616d6bf9aa
Tags
trojan banker stealer qakbot macro
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

2c3d1adbd77046dd2842c3fe5a495751ba2bd8600b32e77ac68afa616d6bf9aa

Threat Level: Known bad

The file doc_pack-694290980.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

Qakbot/Qbot

Office macro that triggers on suspicious action

Executes dropped EXE

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:07

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 23:07

Reported

2020-10-20 23:13

Platform

win7

Max time kernel

112s

Max time network

21s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-694290980.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

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\Aqtrsllhoqct\rhupebuo.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1084 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1084 wrote to memory of 2024 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 1256 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 1256 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 1256 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 1256 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2024 wrote to memory of 976 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 2024 wrote to memory of 976 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 2024 wrote to memory of 976 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 2024 wrote to memory of 976 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 2024 wrote to memory of 864 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 864 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 864 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2024 wrote to memory of 864 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 976 wrote to memory of 784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 976 wrote to memory of 784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 976 wrote to memory of 784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 976 wrote to memory of 784 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe
PID 976 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Windows\SysWOW64\explorer.exe
PID 976 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Windows\SysWOW64\explorer.exe
PID 976 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Windows\SysWOW64\explorer.exe
PID 976 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Windows\SysWOW64\explorer.exe
PID 976 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe C:\Windows\SysWOW64\explorer.exe
PID 1536 wrote to memory of 2032 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 2032 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 2032 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 2032 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-694290980.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\Aqtrsllhoqct\rhupebuo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dlidbunvjc /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I dlidbunvjc" /SC ONCE /Z /ST 23:16 /ET 23:28

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {892BA535-E5F8-4621-B102-9C49C7A2FDAB} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1404-2-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

memory/2024-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1084-5-0x0000000006F30000-0x0000000006F34000-memory.dmp

memory/1084-6-0x0000000005F30000-0x0000000005F34000-memory.dmp

memory/1084-7-0x0000000002500000-0x0000000002501000-memory.dmp

memory/1084-11-0x0000000004E30000-0x0000000004E34000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1256-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1256-15-0x00000000024F0000-0x0000000002501000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/976-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/864-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/784-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/784-24-0x0000000002640000-0x0000000002651000-memory.dmp

memory/976-25-0x0000000001D80000-0x0000000001DB7000-memory.dmp

memory/1252-26-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Aqtrsllhoqct\rhupebuo.dat

MD5 91b528c05d7b6c48fc80bbff8dfdedc8
SHA1 4f5fc647d4891d4c087ea6763e56dd1662f14b39
SHA256 6946e996902ff1b671aca6423dc85e66d30f202c1652973cde8fcbb655c2ee8d
SHA512 940b6009118643086f937f300f8715d91c512dc2bc943cd43fb943a13148eb21917466a02676d248ab2dcdb77fa55da3a1307554b5dd4b72150939017b962342

memory/2032-29-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:13

Platform

win10

Max time kernel

10s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-694290980.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 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 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-694290980.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 4452

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4452

Network

N/A

Files

memory/3884-0-0x00007FFD5C950000-0x00007FFD5D016000-memory.dmp

memory/2892-3-0x0000000000000000-mapping.dmp

memory/2040-4-0x0000000000000000-mapping.dmp

memory/2040-5-0x0000010DC76B0000-0x0000010DC76B1000-memory.dmp

memory/2040-6-0x0000010DC76B0000-0x0000010DC76B1000-memory.dmp

memory/2040-8-0x0000010DC7D70000-0x0000010DC7D71000-memory.dmp

memory/2040-11-0x0000010DC8170000-0x0000010DC8171000-memory.dmp

memory/2040-13-0x0000010DC8170000-0x0000010DC8171000-memory.dmp

memory/2040-15-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

memory/2040-16-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

memory/2040-17-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

memory/2040-18-0x0000010DC7CB0000-0x0000010DC7CB1000-memory.dmp