Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-bja3v4edt2
Target doc_pack-38398360.xls
SHA256 065d0f5d8a3544579e177bc9446c61ba3b97f88f17911f6732e161d113cc2ccb
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

065d0f5d8a3544579e177bc9446c61ba3b97f88f17911f6732e161d113cc2ccb

Threat Level: Known bad

The file doc_pack-38398360.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Suspicious Office macro

Office macro that triggers on suspicious action

Executes dropped EXE

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:25

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 22:25

Reported

2020-10-20 22:34

Platform

win7

Max time kernel

140s

Max time network

10s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-38398360.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\Vdvvagremo\txvuzayd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1124 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 1032 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 1032 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 1032 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 1032 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 1664 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 828 wrote to memory of 1664 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 828 wrote to memory of 1664 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 828 wrote to memory of 1664 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 828 wrote to memory of 616 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 616 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 616 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 616 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1664 wrote to memory of 860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 1664 wrote to memory of 860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 1664 wrote to memory of 860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 1664 wrote to memory of 860 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe
PID 1664 wrote to memory of 920 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Windows\SysWOW64\explorer.exe
PID 1664 wrote to memory of 920 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Windows\SysWOW64\explorer.exe
PID 1664 wrote to memory of 920 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Windows\SysWOW64\explorer.exe
PID 1664 wrote to memory of 920 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Windows\SysWOW64\explorer.exe
PID 1664 wrote to memory of 920 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe C:\Windows\SysWOW64\explorer.exe
PID 1820 wrote to memory of 396 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1820 wrote to memory of 396 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1820 wrote to memory of 396 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1820 wrote to memory of 396 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-38398360.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\Vdvvagremo\txvuzayd.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bwwbxuwj /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I bwwbxuwj" /SC ONCE /Z /ST 22:31 /ET 22:43

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {6DB96A9D-8FCE-437E-A0EC-691ACEB5D6B4} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1408-2-0x000007FEF6AA0000-0x000007FEF6D1A000-memory.dmp

memory/828-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1124-5-0x00000000049B0000-0x00000000049B4000-memory.dmp

memory/1124-6-0x00000000061D0000-0x00000000061D4000-memory.dmp

memory/1124-7-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

memory/1124-11-0x0000000004EF0000-0x0000000004EF4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1032-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1032-15-0x0000000002550000-0x0000000002561000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1664-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/616-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/860-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/860-24-0x0000000002510000-0x0000000002521000-memory.dmp

memory/1664-25-0x0000000002450000-0x0000000002487000-memory.dmp

memory/920-26-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Vdvvagremo\txvuzayd.dat

MD5 7e9dfacc7d0d822d1b0d4a38e3b685df
SHA1 b572719f2a1153c1c53ffb8b7a021c4fa08615d5
SHA256 b864384d015d063ad89c23f523fcf1b7801fe76eb96d212a6ae727d5b532a995
SHA512 81184c3048c2622af6c0c484d091cc1c012ab90052bef92cb5ee965dc2e022f900cfca8938a4adfe503a824cae55e98c92fac061c4bbf59e7bfeb9f1234882cb

memory/396-29-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:25

Reported

2020-10-20 22:34

Platform

win10

Max time kernel

117s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-38398360.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-38398360.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 4440

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4440

Network

N/A

Files

memory/3676-0-0x00007FFAC5FC0000-0x00007FFAC6686000-memory.dmp

memory/2072-4-0x0000000000000000-mapping.dmp

memory/2144-5-0x0000000000000000-mapping.dmp

memory/2144-6-0x000001B6DCF50000-0x000001B6DCF51000-memory.dmp

memory/2144-7-0x000001B6DCF50000-0x000001B6DCF51000-memory.dmp

memory/2144-9-0x000001B6DD7A0000-0x000001B6DD7A1000-memory.dmp

memory/2144-12-0x000001B6DDBA0000-0x000001B6DDBA1000-memory.dmp

memory/2144-14-0x000001B6DDA10000-0x000001B6DDA11000-memory.dmp

memory/2144-15-0x000001B6DDA10000-0x000001B6DDA11000-memory.dmp

memory/2144-16-0x000001B6DDA10000-0x000001B6DDA11000-memory.dmp