Malware Analysis Report

2025-05-05 21:40

Sample ID 201020-xfapmrs2ca
Target doc_pack-332132846.xls
SHA256 7f7c3c5e028911860223869b8d579191f24b2a5a915eaaeacb5cefc8e2e38ae9
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

7f7c3c5e028911860223869b8d579191f24b2a5a915eaaeacb5cefc8e2e38ae9

Threat Level: Known bad

The file doc_pack-332132846.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

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Checks processor information in registry

Enumerates system info in registry

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:23

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 22:23

Reported

2020-10-20 22:31

Platform

win7

Max time kernel

88s

Max time network

19s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-332132846.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\Yypnibku\txyuiyu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1424 wrote to memory of 1892 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1424 wrote to memory of 1892 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1424 wrote to memory of 1892 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1424 wrote to memory of 1892 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1892 wrote to memory of 1672 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1892 wrote to memory of 1672 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1892 wrote to memory of 1672 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1892 wrote to memory of 1672 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1892 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1892 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1892 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1892 wrote to memory of 1016 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1892 wrote to memory of 676 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1892 wrote to memory of 676 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1892 wrote to memory of 676 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1892 wrote to memory of 676 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1016 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1016 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1016 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1016 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe
PID 1016 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Windows\SysWOW64\explorer.exe
PID 1016 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Windows\SysWOW64\explorer.exe
PID 1016 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Windows\SysWOW64\explorer.exe
PID 1016 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Windows\SysWOW64\explorer.exe
PID 1016 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe C:\Windows\SysWOW64\explorer.exe
PID 1452 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1452 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1452 wrote to memory of 1140 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1452 wrote to memory of 1140 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-332132846.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\Yypnibku\txyuiyu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn uxjsnqoc /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I uxjsnqoc" /SC ONCE /Z /ST 22:34 /ET 22:46

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {3488F839-2AFC-4B41-B05A-3419BF055CFF} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1768-2-0x000007FEF80C0000-0x000007FEF833A000-memory.dmp

memory/1892-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1424-5-0x0000000007090000-0x0000000007094000-memory.dmp

memory/1424-6-0x0000000006090000-0x0000000006094000-memory.dmp

memory/1424-7-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

memory/1424-11-0x0000000004D10000-0x0000000004D14000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1672-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1672-15-0x0000000002540000-0x0000000002551000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1016-18-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/676-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1252-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1252-25-0x0000000002430000-0x0000000002441000-memory.dmp

memory/1040-27-0x0000000000000000-mapping.dmp

memory/1016-26-0x0000000000550000-0x0000000000587000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Yypnibku\txyuiyu.dat

MD5 69902995159a08dd74ce1a5d839e7794
SHA1 7e585441fbfd92aec62333d64cdd76540482d059
SHA256 5d4696613a05261cf7b875c2b658c75d6e76ee600554434ab88131e3ffb10d17
SHA512 4a79c333262d0c080dece823565784919f5431dafc95e6e9cf9c4cbc94f4bbe8e69fc6e8d0fe68a1e2233aca25568d9fcec9800db943e7789cf01d6be993d86f

memory/1140-29-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:23

Reported

2020-10-20 22:31

Platform

win10

Max time kernel

122s

Max time network

127s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-332132846.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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-332132846.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 4440

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4440

Network

N/A

Files

memory/4092-0-0x00007FFDD0B90000-0x00007FFDD1256000-memory.dmp

memory/3008-2-0x0000000000000000-mapping.dmp

memory/3664-3-0x0000000000000000-mapping.dmp

memory/3664-4-0x00000299284D0000-0x00000299284D1000-memory.dmp

memory/3664-5-0x00000299284D0000-0x00000299284D1000-memory.dmp

memory/3664-7-0x0000029928C00000-0x0000029928C01000-memory.dmp

memory/3664-10-0x0000029929000000-0x0000029929001000-memory.dmp

memory/3664-12-0x0000029928E60000-0x0000029928E61000-memory.dmp

memory/3664-13-0x0000029928E60000-0x0000029928E61000-memory.dmp

memory/3664-14-0x0000029928E60000-0x0000029928E61000-memory.dmp

memory/3664-15-0x0000029928B40000-0x0000029928B41000-memory.dmp