Malware Analysis Report

2025-05-05 21:34

Sample ID 201020-7h2ahh8hj2
Target doc_pack-556565811.xls
SHA256 e635157d7615d6d903ea3731e07a79bcf940e22f7b544a8ff8d19f96812c2263
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

e635157d7615d6d903ea3731e07a79bcf940e22f7b544a8ff8d19f96812c2263

Threat Level: Known bad

The file doc_pack-556565811.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Office macro that triggers on suspicious action

Suspicious Office macro

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 behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:12

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 23:12

Reported

2020-10-20 23:23

Platform

win10v200722

Max time kernel

143s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-556565811.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-556565811.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 4472

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4472

Network

N/A

Files

memory/1012-0-0x00007FFE42D10000-0x00007FFE433D6000-memory.dmp

memory/644-3-0x0000000000000000-mapping.dmp

memory/588-4-0x0000000000000000-mapping.dmp

memory/588-5-0x00000265D3F00000-0x00000265D3F01000-memory.dmp

memory/588-6-0x00000265D3F00000-0x00000265D3F01000-memory.dmp

memory/588-8-0x00000265D4730000-0x00000265D4731000-memory.dmp

memory/588-11-0x00000265D4B30000-0x00000265D4B31000-memory.dmp

memory/588-13-0x00000265D4B30000-0x00000265D4B31000-memory.dmp

memory/588-15-0x00000265D4A00000-0x00000265D4A01000-memory.dmp

memory/588-16-0x00000265D4A00000-0x00000265D4A01000-memory.dmp

memory/588-17-0x00000265D4A00000-0x00000265D4A01000-memory.dmp

memory/588-18-0x00000265D4670000-0x00000265D4671000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:12

Reported

2020-10-20 23:23

Platform

win7

Max time kernel

90s

Max time network

41s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-556565811.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\Wicbme\iusyfca.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1316 wrote to memory of 852 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1316 wrote to memory of 852 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1316 wrote to memory of 852 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1316 wrote to memory of 852 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 852 wrote to memory of 2016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 852 wrote to memory of 2016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 852 wrote to memory of 2016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 852 wrote to memory of 2016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 852 wrote to memory of 1100 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 852 wrote to memory of 1100 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 852 wrote to memory of 1100 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 852 wrote to memory of 1100 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 852 wrote to memory of 860 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 852 wrote to memory of 860 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 852 wrote to memory of 860 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 852 wrote to memory of 860 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1100 wrote to memory of 740 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 1100 wrote to memory of 740 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 1100 wrote to memory of 740 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 1100 wrote to memory of 740 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe
PID 1100 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Windows\SysWOW64\explorer.exe
PID 1100 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe C:\Windows\SysWOW64\explorer.exe
PID 572 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 572 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 572 wrote to memory of 2024 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 572 wrote to memory of 2024 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-556565811.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\Wicbme\iusyfca.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pugsgjzirt /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I pugsgjzirt" /SC ONCE /Z /ST 23:19 /ET 23:31

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {03229154-5480-47E8-9756-687A45FBE8C4} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1780-2-0x000007FEF7630000-0x000007FEF78AA000-memory.dmp

memory/852-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1316-5-0x0000000005EA0000-0x0000000005EA4000-memory.dmp

memory/1316-6-0x0000000005F50000-0x0000000005F54000-memory.dmp

memory/1316-7-0x0000000002540000-0x0000000002541000-memory.dmp

memory/1316-11-0x0000000004C60000-0x0000000004C64000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2016-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/2016-15-0x0000000002540000-0x0000000002551000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1100-18-0x0000000000000000-mapping.dmp

memory/860-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/740-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/740-24-0x0000000002480000-0x0000000002491000-memory.dmp

memory/1100-25-0x00000000005E0000-0x0000000000617000-memory.dmp

memory/1064-26-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Wicbme\iusyfca.dat

MD5 2c0753d7fd9df1454032930e0b4b9fdf
SHA1 0749f0cfbf7e717fe90ad627734f5c8494ec642b
SHA256 30e094d5ad9e0368fd810e069a1641d69102807c11525da919930fea0ba8d9d4
SHA512 62b7d1b6d38e304d84a3e4ec596de1c9bcfe345da505b765fd1c83137733f91817f301a4bb5269b7bc9f65337e23ffd3634aaf29e5da8b7bcfca03596baeb5c8

memory/2024-29-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f