Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-7ayeeamvh6
Target doc_pack-670509438.xls
SHA256 929ba51bad648fcdee510ad3a47bafbf3649baeac7af4397f32b3dd03bd8ec62
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

929ba51bad648fcdee510ad3a47bafbf3649baeac7af4397f32b3dd03bd8ec62

Threat Level: Known bad

The file doc_pack-670509438.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:08

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 23:08

Reported

2020-10-20 23:18

Platform

win7v200722

Max time kernel

108s

Max time network

13s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-670509438.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\Yqvduyau\aavng.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 848 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 848 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 848 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 848 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2040 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2040 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2040 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2040 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 896 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 1952 wrote to memory of 896 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 1952 wrote to memory of 896 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 1952 wrote to memory of 896 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 1952 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 1328 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 896 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 896 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 896 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 896 wrote to memory of 540 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe
PID 896 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Windows\SysWOW64\explorer.exe
PID 896 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Windows\SysWOW64\explorer.exe
PID 896 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Windows\SysWOW64\explorer.exe
PID 896 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Windows\SysWOW64\explorer.exe
PID 896 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe C:\Windows\SysWOW64\explorer.exe
PID 1496 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1496 wrote to memory of 1544 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-670509438.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\Yqvduyau\aavng.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn iucwuarcjt /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I iucwuarcjt" /SC ONCE /Z /ST 23:14 /ET 23:26

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {6B1D41FC-82B2-4E7D-B3BB-7FA6954AD919} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/848-0-0x0000000004B20000-0x0000000004C20000-memory.dmp

memory/848-1-0x0000000004B20000-0x0000000004C20000-memory.dmp

memory/1700-2-0x000007FEF47B0000-0x000007FEF4A2A000-memory.dmp

memory/1952-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/848-5-0x0000000006F00000-0x0000000006F04000-memory.dmp

memory/848-6-0x0000000005F00000-0x0000000005F04000-memory.dmp

memory/848-9-0x0000000004E00000-0x0000000004E04000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2040-11-0x0000000000000000-mapping.dmp

memory/2040-13-0x00000000024B0000-0x00000000024C1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/896-16-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1328-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/540-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/540-22-0x0000000002410000-0x0000000002421000-memory.dmp

memory/896-23-0x00000000005E0000-0x0000000000617000-memory.dmp

memory/1528-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yqvduyau\aavng.dat

MD5 691d80bb85c49a711943d2befe56e585
SHA1 26c00addd8b4e501c956b033b6760a4a7404fc80
SHA256 fd60e39a5a26981f50da22878b35fe9029cde807c4c2eab9591daaa64c76823e
SHA512 fb62467dfebdf3060d72976d899d7056c5daf9d06b74277a82c746bcf17689e5aa4f419f2d4454a60ad850ceb2adc29457ba6aa8c7bfedde7a9a51819a11e4ab

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1544-26-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:18

Platform

win10

Max time kernel

104s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-670509438.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-670509438.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 4460

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4460

Network

N/A

Files

memory/3908-0-0x00007FF8E20E0000-0x00007FF8E27A6000-memory.dmp

memory/3908-1-0x00000204889DD000-0x00000204889E2000-memory.dmp

memory/2672-4-0x0000000000000000-mapping.dmp

memory/2788-5-0x0000000000000000-mapping.dmp

memory/2788-6-0x0000023A0B320000-0x0000023A0B321000-memory.dmp

memory/2788-7-0x0000023A0B320000-0x0000023A0B321000-memory.dmp

memory/2788-9-0x0000023A0BA40000-0x0000023A0BA41000-memory.dmp

memory/2788-12-0x0000023A0BE40000-0x0000023A0BE41000-memory.dmp

memory/2788-14-0x0000023A0BE40000-0x0000023A0BE41000-memory.dmp

memory/2788-16-0x0000023A0BD10000-0x0000023A0BD11000-memory.dmp

memory/2788-17-0x0000023A0BD10000-0x0000023A0BD11000-memory.dmp

memory/2788-18-0x0000023A0BD10000-0x0000023A0BD11000-memory.dmp

memory/2788-19-0x0000023A0B980000-0x0000023A0B981000-memory.dmp