Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-5cm6pprvle
Target doc_pack-578845380.xls
SHA256 67c73d5e01b679735d8e5ff6538604d8eddfd211d4201f3f27423bc37a808f70
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

67c73d5e01b679735d8e5ff6538604d8eddfd211d4201f3f27423bc37a808f70

Threat Level: Known bad

The file doc_pack-578845380.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Executes dropped EXE

Office macro that triggers on suspicious action

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Creates scheduled task(s)

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

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

win7v200722

Max time kernel

149s

Max time network

19s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-578845380.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\Jsnlkfawtym\bguioca.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1028 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1028 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1028 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1028 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 604 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 604 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 604 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 604 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 2008 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 2008 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 2008 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 2008 wrote to memory of 992 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 992 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 992 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 992 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 428 wrote to memory of 584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 428 wrote to memory of 584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 428 wrote to memory of 584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 428 wrote to memory of 584 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe
PID 428 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe C:\Windows\SysWOW64\explorer.exe
PID 1380 wrote to memory of 1484 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1380 wrote to memory of 1484 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1380 wrote to memory of 1484 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1380 wrote to memory of 1484 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-578845380.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\Jsnlkfawtym\bguioca.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn tfokknzdd /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I tfokknzdd" /SC ONCE /Z /ST 01:17 /ET 01:29

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {FDEFEA06-E059-4932-B93A-2D0AA79FFAA7} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1028-0-0x0000000001E40000-0x0000000001E41000-memory.dmp

memory/1028-2-0x0000000001E40000-0x0000000001E41000-memory.dmp

memory/1936-5-0x000007FEF7F70000-0x000007FEF81EA000-memory.dmp

memory/2008-6-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1028-8-0x0000000006E50000-0x0000000006E54000-memory.dmp

memory/1028-9-0x0000000005E50000-0x0000000005E54000-memory.dmp

memory/1028-10-0x0000000001E40000-0x0000000001E45000-memory.dmp

memory/1028-11-0x0000000001E30000-0x0000000001E31000-memory.dmp

memory/1028-14-0x0000000004D50000-0x0000000004D54000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/604-16-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/604-18-0x0000000002470000-0x0000000002481000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/428-21-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/992-23-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/584-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/584-27-0x0000000002500000-0x0000000002511000-memory.dmp

memory/428-28-0x0000000000550000-0x0000000000587000-memory.dmp

memory/1768-29-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jsnlkfawtym\bguioca.dat

MD5 104c6abcc372fa0f236ea01eb740ba42
SHA1 39b1ea632e529e22f7226a5ca205c93709730b3b
SHA256 b9dc49643b2a03b3e61094797b65ad90b095fdd3d9c8ca8e681b56a444945f94
SHA512 ae46218df5add0c5de6b3f076a43e5c9a5d45d136cabe1a4ff9ae8ae28f887b02fa2826a3eae0677909b08351fd46cfe66d003b38178f61888ebdb668edf83d6

memory/1484-31-0x0000000000000000-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

win10v200722

Max time kernel

74s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-578845380.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-578845380.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 4624

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4624

Network

N/A

Files

memory/648-0-0x00007FF8E93E0000-0x00007FF8E9AA6000-memory.dmp

memory/512-3-0x0000000000000000-mapping.dmp

memory/2532-4-0x0000000000000000-mapping.dmp

memory/2532-5-0x00000145A5AA0000-0x00000145A5AA1000-memory.dmp

memory/2532-6-0x00000145A5AA0000-0x00000145A5AA1000-memory.dmp

memory/2532-7-0x00000145A5AA0000-0x00000145A5AA1000-memory.dmp

memory/2532-9-0x00000145A62D0000-0x00000145A62D1000-memory.dmp

memory/2532-12-0x00000145A65D0000-0x00000145A65D1000-memory.dmp

memory/2532-13-0x00000145A65D0000-0x00000145A65D1000-memory.dmp

memory/2532-14-0x00000145A65D0000-0x00000145A65D1000-memory.dmp