Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-55812g1rx6
Target doc_pack-559363553.xls
SHA256 f8a12eeb6eac98952c9119a3529e8f99f9e256cdc899317d12372ed5caa9982c
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

f8a12eeb6eac98952c9119a3529e8f99f9e256cdc899317d12372ed5caa9982c

Threat Level: Known bad

The file doc_pack-559363553.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

Qakbot/Qbot

Suspicious Office macro

Executes dropped EXE

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

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

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

109s

Max time network

10s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-559363553.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\Byihau\ioustzf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1124 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1124 wrote to memory of 2008 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 620 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 620 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 620 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 620 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2008 wrote to memory of 544 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 2008 wrote to memory of 544 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 2008 wrote to memory of 544 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 2008 wrote to memory of 544 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 2008 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2008 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 544 wrote to memory of 308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 544 wrote to memory of 308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 544 wrote to memory of 308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 544 wrote to memory of 308 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
PID 544 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Windows\SysWOW64\explorer.exe
PID 544 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Windows\SysWOW64\explorer.exe
PID 544 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Windows\SysWOW64\explorer.exe
PID 544 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Windows\SysWOW64\explorer.exe
PID 544 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe C:\Windows\SysWOW64\explorer.exe
PID 1536 wrote to memory of 1524 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1524 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1524 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1536 wrote to memory of 1524 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-559363553.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\Byihau\ioustzf.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {F066C6F0-0974-4D49-8C7D-FB4989EDC21F} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1712-1-0x000007FEF6AA0000-0x000007FEF6D1A000-memory.dmp

memory/2008-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1124-4-0x0000000007010000-0x0000000007014000-memory.dmp

memory/1124-5-0x0000000006010000-0x0000000006014000-memory.dmp

memory/1124-6-0x0000000002500000-0x0000000002501000-memory.dmp

memory/1124-10-0x0000000004EA0000-0x0000000004EA4000-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/620-12-0x0000000000000000-mapping.dmp

memory/620-14-0x00000000025E0000-0x00000000025F1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/544-17-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1212-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/308-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/308-23-0x00000000023F0000-0x0000000002401000-memory.dmp

memory/544-24-0x0000000000450000-0x0000000000487000-memory.dmp

memory/1412-25-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.dat

MD5 09504b038d63b64ca70969fae61ef15b
SHA1 1f6ca2002fb454f4cb133924d01026dec37a464c
SHA256 b814de269034442498bb6c105273765e70075295e50aeae1c445173eefb196b0
SHA512 8609a0a0c95f6d329a2402d1a6452d4b498ef4cf288d1996f6c938f50729d5878bcf2e4b93c985610a6fb117df6de14f3b11c83ff7320f4e88410d1986585272

memory/1524-28-0x0000000000000000-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

94s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-559363553.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

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-559363553.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 4284

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4284

Network

N/A

Files

memory/3044-0-0x00007FFBC6960000-0x00007FFBC7026000-memory.dmp

memory/1528-3-0x0000000000000000-mapping.dmp

memory/1624-4-0x0000000000000000-mapping.dmp

memory/1624-5-0x00000222FCD60000-0x00000222FCD61000-memory.dmp

memory/1624-6-0x0000022280830000-0x0000022280831000-memory.dmp

memory/1624-7-0x0000022280830000-0x0000022280831000-memory.dmp

memory/1624-9-0x0000022280830000-0x0000022280831000-memory.dmp

memory/1624-10-0x0000022280C30000-0x0000022280C31000-memory.dmp

memory/1624-12-0x0000022280B60000-0x0000022280B61000-memory.dmp

memory/1624-13-0x0000022280B60000-0x0000022280B61000-memory.dmp

memory/1624-14-0x0000022280B60000-0x0000022280B61000-memory.dmp