Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-38xyqp59qs
Target doc_pack-685221994.xls
SHA256 d0f7af0210b2cff2a1947433f3d70283c546f5a4fbe2960ced8a5ca5802e6b5e
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

d0f7af0210b2cff2a1947433f3d70283c546f5a4fbe2960ced8a5ca5802e6b5e

Threat Level: Known bad

The file doc_pack-685221994.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

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

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

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

120s

Max time network

128s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-685221994.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\Bgolses\yfzkvlif.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1376 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1376 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1376 wrote to memory of 828 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1376 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 796 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 796 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 796 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 796 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 828 wrote to memory of 816 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 828 wrote to memory of 816 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 828 wrote to memory of 816 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 828 wrote to memory of 816 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 828 wrote to memory of 1876 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 1876 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 1876 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 828 wrote to memory of 1876 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 816 wrote to memory of 936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 816 wrote to memory of 936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 816 wrote to memory of 936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 816 wrote to memory of 936 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe
PID 816 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Windows\SysWOW64\explorer.exe
PID 816 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Windows\SysWOW64\explorer.exe
PID 816 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Windows\SysWOW64\explorer.exe
PID 816 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Windows\SysWOW64\explorer.exe
PID 816 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe C:\Windows\SysWOW64\explorer.exe
PID 1236 wrote to memory of 1180 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1236 wrote to memory of 1180 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1236 wrote to memory of 1180 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1236 wrote to memory of 1180 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-685221994.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\Bgolses\yfzkvlif.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {2A53872F-8168-49F5-B3C9-94B8DDA99BF6} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1784-2-0x000007FEF4820000-0x000007FEF4A9A000-memory.dmp

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

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1376-5-0x0000000004BC0000-0x0000000004BC4000-memory.dmp

memory/1376-6-0x00000000062E0000-0x00000000062E4000-memory.dmp

memory/1376-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

memory/1376-11-0x0000000005120000-0x0000000005124000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/796-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/796-15-0x00000000024C0000-0x00000000024D1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/816-18-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1876-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/936-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/936-24-0x0000000002570000-0x0000000002581000-memory.dmp

memory/816-25-0x0000000002140000-0x0000000002177000-memory.dmp

memory/1072-26-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Bgolses\yfzkvlif.dat

MD5 3ece06c8c405c713251ddb886261202a
SHA1 a0d4dae65b515277c5fb9d5caed6e5045c7ff22e
SHA256 25a7cf1275ee1b74ac61f7595f1f57a8d64c018926129d3e1da12e4868297310
SHA512 d0875faa523ed3d8ff68cd999ac6354f7e0e85a3063d1c9c028de3cb2e3aaae5058478cb9ec7e75a321c81d2622c3aeb50f83aedd1f3d99acbd8b1bec47d5270

memory/1180-28-0x0000000000000000-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

89s

Max time network

137s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-685221994.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-685221994.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 4448

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4448

Network

N/A

Files

memory/744-0-0x00007FF98FC90000-0x00007FF990356000-memory.dmp

memory/3156-3-0x0000000000000000-mapping.dmp

memory/204-4-0x0000000000000000-mapping.dmp

memory/204-5-0x000001B9A78A0000-0x000001B9A78A1000-memory.dmp

memory/204-6-0x000001B9A78A0000-0x000001B9A78A1000-memory.dmp

memory/204-8-0x000001B9A7F00000-0x000001B9A7F01000-memory.dmp

memory/204-9-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

memory/204-10-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

memory/204-11-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

memory/204-12-0x000001B9A7E20000-0x000001B9A7E21000-memory.dmp