Malware Analysis Report

2025-05-05 21:37

Sample ID 201020-16hx6hydjs
Target doc_pack-721446329.xls
SHA256 a93bfa4920a9f91c07a14d8eb9d89ba2fa9ea282112842525957dc1b931ac2da
Tags
trojan banker stealer qakbot macro
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

a93bfa4920a9f91c07a14d8eb9d89ba2fa9ea282112842525957dc1b931ac2da

Threat Level: Known bad

The file doc_pack-721446329.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

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

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious behavior: MapViewOfSection

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

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 23:16

Platform

win7v200722

Max time kernel

130s

Max time network

13s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-721446329.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\Kwjcbxwv\saiah.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 1040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 1040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 1040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1620 wrote to memory of 1040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1040 wrote to memory of 1088 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1040 wrote to memory of 1088 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1040 wrote to memory of 1088 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1040 wrote to memory of 1088 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1040 wrote to memory of 1456 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1040 wrote to memory of 1456 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1040 wrote to memory of 1456 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1040 wrote to memory of 1456 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1040 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1040 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1040 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1040 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1456 wrote to memory of 284 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1456 wrote to memory of 284 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1456 wrote to memory of 284 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1456 wrote to memory of 284 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe
PID 1456 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Windows\SysWOW64\explorer.exe
PID 1456 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Windows\SysWOW64\explorer.exe
PID 1456 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Windows\SysWOW64\explorer.exe
PID 1456 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Windows\SysWOW64\explorer.exe
PID 1456 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe C:\Windows\SysWOW64\explorer.exe
PID 1672 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1672 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1672 wrote to memory of 1572 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1672 wrote to memory of 1572 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-721446329.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\Kwjcbxwv\saiah.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hittbqy /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I hittbqy" /SC ONCE /Z /ST 01:19 /ET 01:31

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {7AA0C025-4F85-4B1A-9EB3-7CD47A0B54CD} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1620-0-0x000000000048F000-0x0000000000493000-memory.dmp

memory/1620-1-0x000000000048F000-0x0000000000493000-memory.dmp

memory/1916-2-0x000007FEF7410000-0x000007FEF768A000-memory.dmp

memory/1040-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1620-5-0x0000000005D50000-0x0000000005D54000-memory.dmp

memory/1620-6-0x0000000005EE0000-0x0000000005EE4000-memory.dmp

memory/1620-9-0x0000000004CF0000-0x0000000004CF4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1088-11-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1088-13-0x0000000002410000-0x0000000002421000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1456-16-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/552-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/284-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/284-23-0x0000000002540000-0x0000000002551000-memory.dmp

memory/1456-24-0x0000000000450000-0x0000000000487000-memory.dmp

memory/1328-25-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Kwjcbxwv\saiah.dat

MD5 b45aa0c1aefcdca15065abb9d03e2956
SHA1 7ca7a5a6018c3d7530102f88c4bfbe3e8c20a62a
SHA256 550a48e64972af01f50eca561e94edd9f2f08748880ba96fb69063c789de4489
SHA512 b2d24bcf68e043cbe441e61e41f88210729dd560af3ae72f91edfbb07d5d7707b23604d529c4865a3012c2a8272d3ba5257ee1355b1539773fd113e0984e8078

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1572-27-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win10

Max time kernel

100s

Max time network

138s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-721446329.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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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-721446329.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 4412

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4412

Network

N/A

Files

memory/3612-0-0x00007FFA1FCE0000-0x00007FFA203A6000-memory.dmp

memory/1912-2-0x0000000000000000-mapping.dmp

memory/2116-3-0x0000000000000000-mapping.dmp

memory/2116-4-0x000002C6C8080000-0x000002C6C8081000-memory.dmp

memory/2116-5-0x000002C6C8080000-0x000002C6C8081000-memory.dmp

memory/2116-7-0x000002C6C87C0000-0x000002C6C87C1000-memory.dmp

memory/2116-10-0x000002C6C8B10000-0x000002C6C8B11000-memory.dmp

memory/2116-11-0x000002C6C8B10000-0x000002C6C8B11000-memory.dmp

memory/2116-12-0x000002C6C8B10000-0x000002C6C8B11000-memory.dmp

memory/2116-13-0x000002C6C8700000-0x000002C6C8701000-memory.dmp