Malware Analysis Report

2025-05-05 21:37

Sample ID 201020-bqmgt4z9e2
Target doc_pack-646732639.xls
SHA256 6e0497f338745250bd98467d4195e64d72394b8110be060a5341a29b560d73cc
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

6e0497f338745250bd98467d4195e64d72394b8110be060a5341a29b560d73cc

Threat Level: Known bad

The file doc_pack-646732639.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

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

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 23:15

Platform

win7

Max time kernel

105s

Max time network

62s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-646732639.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\Jahmh\ezodbulj.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 896 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 896 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 896 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 896 wrote to memory of 2040 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 756 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 756 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 756 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 756 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 2040 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 2040 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 2040 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 2040 wrote to memory of 428 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 2040 wrote to memory of 956 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 956 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 956 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 2040 wrote to memory of 956 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 428 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 428 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 428 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 428 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe
PID 428 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Windows\SysWOW64\explorer.exe
PID 428 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe C:\Windows\SysWOW64\explorer.exe
PID 1476 wrote to memory of 1172 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1172 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1172 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1172 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-646732639.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\Jahmh\ezodbulj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vguhgluje /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I vguhgluje" /SC ONCE /Z /ST 23:11 /ET 23:23

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {F11C3B52-FA35-4F65-BC3C-CB778FABEB2D} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1856-2-0x000007FEF4940000-0x000007FEF4BBA000-memory.dmp

memory/2040-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/896-5-0x0000000006EE0000-0x0000000006EE4000-memory.dmp

memory/896-6-0x0000000005EE0000-0x0000000005EE4000-memory.dmp

memory/896-7-0x00000000020C0000-0x00000000020C1000-memory.dmp

memory/896-11-0x0000000004D20000-0x0000000004D24000-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/756-13-0x0000000000000000-mapping.dmp

memory/756-15-0x0000000002450000-0x0000000002461000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/428-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/956-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1708-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1708-24-0x0000000002560000-0x0000000002571000-memory.dmp

memory/428-25-0x0000000001DA0000-0x0000000001DD7000-memory.dmp

memory/1152-26-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Jahmh\ezodbulj.dat

MD5 532b604cf8f0a7bbb61d000905e8cdb4
SHA1 bb2d1bd4acdbb82e721927b165aa7f60c4f87384
SHA256 e531718d7ea02255f648bb8b27c5dedfb5dc717f2576fb9562d6a2b2bd6edbf9
SHA512 ce7cd75bd52baceefb9c025b623426aa6ed6fce09665f8868bbc49fcba77c90a8971a8ab7e5fb3b68566277bd16437f17a10f6a3dcd72c1334d870168a5ad69f

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1172-29-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win10v200722

Max time kernel

125s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-646732639.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-646732639.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 4708

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4708

Network

N/A

Files

memory/3488-0-0x00007FFCD2E40000-0x00007FFCD3506000-memory.dmp

memory/3488-2-0x0000018FE2F75000-0x0000018FE2F7A000-memory.dmp

memory/3488-1-0x0000018FE2F7A000-0x0000018FE2F7F000-memory.dmp

memory/1360-3-0x0000000000000000-mapping.dmp

memory/1608-4-0x0000000000000000-mapping.dmp

memory/1608-5-0x0000022B8C560000-0x0000022B8C561000-memory.dmp

memory/1608-6-0x0000022B8C560000-0x0000022B8C561000-memory.dmp

memory/1608-7-0x0000022B8C560000-0x0000022B8C561000-memory.dmp

memory/1608-9-0x0000022B8CF80000-0x0000022B8CF81000-memory.dmp

memory/1608-12-0x0000022B8D380000-0x0000022B8D381000-memory.dmp

memory/1608-14-0x0000022B8D260000-0x0000022B8D261000-memory.dmp

memory/1608-15-0x0000022B8D260000-0x0000022B8D261000-memory.dmp

memory/1608-16-0x0000022B8D260000-0x0000022B8D261000-memory.dmp