Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-q6vf3k8h9e
Target doc_pack-651894405.xls
SHA256 e8a8179e1dcf8c5e6fb7b1d57442ff5a627a17fd4f7e09cfc4e5852097525ca7
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e8a8179e1dcf8c5e6fb7b1d57442ff5a627a17fd4f7e09cfc4e5852097525ca7

Threat Level: Known bad

The file doc_pack-651894405.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

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

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

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: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win10

Max time kernel

13s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-651894405.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-651894405.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 4436

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4436

Network

Country Destination Domain Proto
N/A 95.101.78.82:80 tcp

Files

memory/3788-0-0x00007FF9D0FA0000-0x00007FF9D1666000-memory.dmp

memory/3788-1-0x000002429991E000-0x0000024299924000-memory.dmp

memory/3788-3-0x000002429991E000-0x0000024299924000-memory.dmp

memory/2140-4-0x0000000000000000-mapping.dmp

memory/2440-5-0x0000000000000000-mapping.dmp

memory/2440-6-0x0000022035640000-0x0000022035641000-memory.dmp

memory/2440-7-0x0000022035640000-0x0000022035641000-memory.dmp

memory/2440-9-0x0000022035D30000-0x0000022035D31000-memory.dmp

memory/2440-12-0x0000022035FD0000-0x0000022035FD1000-memory.dmp

memory/2440-13-0x0000022035FD0000-0x0000022035FD1000-memory.dmp

memory/2440-14-0x0000022035FD0000-0x0000022035FD1000-memory.dmp

memory/2440-15-0x0000022035C70000-0x0000022035C71000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win7

Max time kernel

146s

Max time network

24s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-651894405.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\Ixnnau\sfexme.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1072 wrote to memory of 1996 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1072 wrote to memory of 1996 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1072 wrote to memory of 1996 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1072 wrote to memory of 1996 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1996 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1996 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1996 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1996 wrote to memory of 920 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1996 wrote to memory of 1368 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1996 wrote to memory of 1368 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1996 wrote to memory of 1368 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1996 wrote to memory of 1368 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1996 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1996 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1996 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1996 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1368 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1368 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1368 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1368 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe
PID 1368 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Windows\SysWOW64\explorer.exe
PID 1368 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Windows\SysWOW64\explorer.exe
PID 1368 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Windows\SysWOW64\explorer.exe
PID 1368 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Windows\SysWOW64\explorer.exe
PID 1368 wrote to memory of 536 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe C:\Windows\SysWOW64\explorer.exe
PID 1816 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1816 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1816 wrote to memory of 1544 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1816 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-651894405.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\Ixnnau\sfexme.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vaydcbtu /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I vaydcbtu" /SC ONCE /Z /ST 23:12 /ET 23:24

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {D39B8C91-3764-40EB-B009-49DFAEE2DBD1} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1260-2-0x000007FEF7E40000-0x000007FEF80BA000-memory.dmp

memory/1996-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1072-5-0x0000000007160000-0x0000000007164000-memory.dmp

memory/1072-6-0x0000000006160000-0x0000000006164000-memory.dmp

memory/1072-7-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

memory/1072-11-0x0000000004D50000-0x0000000004D54000-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/920-13-0x0000000000000000-mapping.dmp

memory/920-15-0x00000000025C0000-0x00000000025D1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1368-18-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/308-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1404-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1404-24-0x0000000002580000-0x0000000002591000-memory.dmp

memory/1368-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

memory/536-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ixnnau\sfexme.dat

MD5 f1918329b89041e5432aafc6d2b0b164
SHA1 7906c91f3f9a5a20c15aad0fcd4025412f6c704f
SHA256 936590ec2e3108b15cefa2ebdcd8412e0399c224d18bb77032ff8caff3fc728c
SHA512 4b9868d13167e3f2c63a21a2e89dec05c0d603aa35ece97c3fefb616fea60928981b1de8139a0bf7098c37d7ad0eada03a4be2d33ffed8b50ba33e4ede7dfaf0

memory/1544-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f