Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-4wcdn64slj
Target doc_pack-71042131.xls
SHA256 47d8354acf09eb8dd0740253ccc33acf16132639d849fa98e43b558625e27032
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

47d8354acf09eb8dd0740253ccc33acf16132639d849fa98e43b558625e27032

Threat Level: Known bad

The file doc_pack-71042131.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

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

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Checks processor information in registry

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

win7v200722

Max time kernel

147s

Max time network

19s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-71042131.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\Ztrbcyaleknb\hidtl.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1208 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1208 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1208 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1208 wrote to memory of 1952 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2000 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2000 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2000 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 2000 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1952 wrote to memory of 1144 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1952 wrote to memory of 1144 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1952 wrote to memory of 1144 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1952 wrote to memory of 1144 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1952 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1952 wrote to memory of 308 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1144 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1144 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1144 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1144 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe
PID 1144 wrote to memory of 820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Windows\SysWOW64\explorer.exe
PID 1144 wrote to memory of 820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Windows\SysWOW64\explorer.exe
PID 1144 wrote to memory of 820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Windows\SysWOW64\explorer.exe
PID 1144 wrote to memory of 820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Windows\SysWOW64\explorer.exe
PID 1144 wrote to memory of 820 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe C:\Windows\SysWOW64\explorer.exe
PID 564 wrote to memory of 1928 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 564 wrote to memory of 1928 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 564 wrote to memory of 1928 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 564 wrote to memory of 1928 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-71042131.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\Ztrbcyaleknb\hidtl.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lqtdamxwwt /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I lqtdamxwwt" /SC ONCE /Z /ST 23:12 /ET 23:24

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {20A67009-CF6F-4E9F-967B-13B2297FF3AF} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1292-1-0x000007FEF4490000-0x000007FEF470A000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1952-2-0x0000000000000000-mapping.dmp

memory/1208-4-0x0000000006F40000-0x0000000006F44000-memory.dmp

memory/1208-5-0x0000000005F40000-0x0000000005F44000-memory.dmp

memory/1208-6-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

memory/1208-10-0x0000000004E40000-0x0000000004E44000-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/2000-12-0x0000000000000000-mapping.dmp

memory/2000-14-0x0000000002430000-0x0000000002441000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1144-17-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/308-19-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1844-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1844-24-0x0000000002540000-0x0000000002551000-memory.dmp

memory/820-26-0x0000000000000000-mapping.dmp

memory/1144-25-0x0000000000450000-0x0000000000487000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Ztrbcyaleknb\hidtl.dat

MD5 6e33871c65e1fba9c6613c5068141823
SHA1 14684567b19b89ec4a45baa8846f9d92651dffb5
SHA256 ad9b8df88afeddb4c8964a49e313f973faa30c7aa34068c70ddda11dd5897dda
SHA512 e71c67762326790bc2e9a0399e1b2fc60851b746827a2b1cc3b742aa18f409c206b34c0ca45929733811a0099aad8bfc3d378c69cfe119d41e8038991e05e538

memory/1928-28-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:07

Reported

2020-10-20 23:15

Platform

win10

Max time kernel

111s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-71042131.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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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-71042131.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 4528

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4528

Network

N/A

Files

memory/3404-0-0x00007FFEADAB0000-0x00007FFEAE176000-memory.dmp

memory/2744-4-0x0000000000000000-mapping.dmp

memory/2972-5-0x0000000000000000-mapping.dmp

memory/2972-6-0x0000018C77380000-0x0000018C77381000-memory.dmp

memory/2972-7-0x0000018C77380000-0x0000018C77381000-memory.dmp

memory/2972-9-0x0000018C77B40000-0x0000018C77B41000-memory.dmp

memory/2972-12-0x0000018C77F40000-0x0000018C77F41000-memory.dmp

memory/2972-14-0x0000018C77E80000-0x0000018C77E81000-memory.dmp

memory/2972-15-0x0000018C77E80000-0x0000018C77E81000-memory.dmp

memory/2972-16-0x0000018C77E80000-0x0000018C77E81000-memory.dmp

memory/2972-17-0x0000018C77A80000-0x0000018C77A81000-memory.dmp