Malware Analysis Report

2025-05-05 21:36

Sample ID 201020-nxq5awnkme
Target doc_pack-683230931.xls
SHA256 7e018b42bc2ebdbd3338149b6a44fd9c5bbf3bf5685187aa1c72ea0647b133ec
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

7e018b42bc2ebdbd3338149b6a44fd9c5bbf3bf5685187aa1c72ea0647b133ec

Threat Level: Known bad

The file doc_pack-683230931.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:09

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 23:09

Reported

2020-10-20 23:19

Platform

win7v200722

Max time kernel

129s

Max time network

10s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-683230931.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\Cpvkqbpwrmbz\vjupv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1036 wrote to memory of 1400 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1036 wrote to memory of 1400 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1036 wrote to memory of 1400 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1036 wrote to memory of 1400 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1400 wrote to memory of 520 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1400 wrote to memory of 520 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1400 wrote to memory of 520 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1400 wrote to memory of 520 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1400 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 1400 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 1400 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 1400 wrote to memory of 568 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 1400 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1400 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1400 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1400 wrote to memory of 924 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 568 wrote to memory of 296 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 568 wrote to memory of 296 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 568 wrote to memory of 296 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 568 wrote to memory of 296 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe
PID 568 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Windows\SysWOW64\explorer.exe
PID 568 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe C:\Windows\SysWOW64\explorer.exe
PID 1476 wrote to memory of 1936 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1936 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1936 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1476 wrote to memory of 1936 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-683230931.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\Cpvkqbpwrmbz\vjupv.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fhndtzrokd /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fhndtzrokd" /SC ONCE /Z /ST 23:23 /ET 23:35

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {C9ACE853-FEC1-4255-A612-2CF5E4BFB459} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1144-1-0x000007FEF7170000-0x000007FEF73EA000-memory.dmp

memory/1400-2-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1036-4-0x00000000070F0000-0x00000000070F4000-memory.dmp

memory/1036-5-0x00000000060F0000-0x00000000060F4000-memory.dmp

memory/1036-8-0x0000000004FF0000-0x0000000004FF4000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/520-10-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/520-12-0x0000000002460000-0x0000000002471000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/568-15-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/924-17-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/296-19-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/296-22-0x0000000002560000-0x0000000002571000-memory.dmp

memory/2012-24-0x0000000000000000-mapping.dmp

memory/568-23-0x00000000004D0000-0x0000000000507000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cpvkqbpwrmbz\vjupv.dat

MD5 5f5d74ab2eb1984f0d7b870d119fd3ed
SHA1 74a5bc3beb25debe373f0c646c572c0c75e0c50a
SHA256 b23bfd561541867b38833c73166899f0f37664484f58874e64743bd8ec8f306d
SHA512 f85e3c415e5f56f97ff3502bad1b3fd3a4f5af8f3226ec7056ddc104130e3b82396b0d748a4b9a5711f752f35801ede094323f18eda0515caa0ee913194abc68

memory/1936-26-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:09

Reported

2020-10-20 23:19

Platform

win10v200722

Max time kernel

75s

Max time network

136s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-683230931.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-683230931.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 4644

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4644

Network

Country Destination Domain Proto
N/A 52.165.130.251:443 tcp
N/A 52.109.88.8:443 officeclient.microsoft.com tcp
N/A 40.90.23.153:443 login.live.com tcp
N/A 40.90.23.153:443 login.live.com tcp
N/A 52.114.128.9:443 tcp

Files

memory/3056-0-0x00007FFFE4BA0000-0x00007FFFE5266000-memory.dmp

memory/200-4-0x0000000000000000-mapping.dmp

memory/732-5-0x0000000000000000-mapping.dmp

memory/732-6-0x000001A7ED3C0000-0x000001A7ED3C1000-memory.dmp

memory/732-7-0x000001A7ED3C0000-0x000001A7ED3C1000-memory.dmp

memory/732-9-0x000001A7EDB30000-0x000001A7EDB31000-memory.dmp

memory/732-12-0x000001A7EDE40000-0x000001A7EDE41000-memory.dmp

memory/732-13-0x000001A7EDE40000-0x000001A7EDE41000-memory.dmp

memory/732-14-0x000001A7EDE40000-0x000001A7EDE41000-memory.dmp