Malware Analysis Report

2025-05-05 21:39

Sample ID 201020-8gpr6ssddn
Target doc_pack-385517117.xls
SHA256 56197c1cb3b1f6ff0b63b746fc21079709d67551e95eea75ccc3d0d5041dbb7c
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

56197c1cb3b1f6ff0b63b746fc21079709d67551e95eea75ccc3d0d5041dbb7c

Threat Level: Known bad

The file doc_pack-385517117.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

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 SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 22:22

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 22:22

Reported

2020-10-20 22:29

Platform

win7

Max time kernel

127s

Max time network

126s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-385517117.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\Xzecdexwndsu\iiaep.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1492 wrote to memory of 748 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1492 wrote to memory of 748 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1492 wrote to memory of 748 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1492 wrote to memory of 748 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 748 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 748 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 748 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 748 wrote to memory of 320 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 748 wrote to memory of 724 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 748 wrote to memory of 724 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 748 wrote to memory of 724 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 748 wrote to memory of 724 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 748 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 748 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 748 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 748 wrote to memory of 552 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 724 wrote to memory of 668 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 724 wrote to memory of 668 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 724 wrote to memory of 668 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 724 wrote to memory of 668 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe
PID 724 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Windows\SysWOW64\explorer.exe
PID 724 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Windows\SysWOW64\explorer.exe
PID 724 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Windows\SysWOW64\explorer.exe
PID 724 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Windows\SysWOW64\explorer.exe
PID 724 wrote to memory of 1520 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe C:\Windows\SysWOW64\explorer.exe
PID 1164 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1976 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1976 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-385517117.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\Xzecdexwndsu\iiaep.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lkfvtlxscg /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I lkfvtlxscg" /SC ONCE /Z /ST 22:33 /ET 22:45

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {9F8CB4BD-E8A9-4E28-970F-0A194B293629} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

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

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/1256-2-0x000007FEF67F0000-0x000007FEF6A6A000-memory.dmp

memory/748-3-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1492-5-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

memory/1492-6-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

memory/1492-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

memory/1492-11-0x0000000004D70000-0x0000000004D74000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/320-13-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/320-15-0x00000000024D0000-0x00000000024E1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/724-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/552-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/668-22-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/668-24-0x00000000026B0000-0x00000000026C1000-memory.dmp

memory/724-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

memory/1520-26-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Xzecdexwndsu\iiaep.dat

MD5 5421771ead14b5d1a2be37fc01d0977b
SHA1 e2093debd41aadeeccc630cf09fbbcf051ca50d2
SHA256 6637368b7a148f0a8e7b0bb4c6b830df99bec08e685ae8c10a241b340b1922c1
SHA512 dd99956b4348983f42cb51d1bfd9d3c85cc3df1de72832faf8312b9c836d16bae0e1afc5e22113972048d4e17b31504cdba02b6e097af6cc1105d3b9486026e4

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1976-29-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 22:22

Reported

2020-10-20 22:29

Platform

win10

Max time kernel

148s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-385517117.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-385517117.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 4344

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4344

Network

N/A

Files

memory/2460-0-0x00007FFBC6960000-0x00007FFBC7026000-memory.dmp

memory/2460-1-0x000001CF52D6E000-0x000001CF52D8E000-memory.dmp

memory/1992-4-0x0000000000000000-mapping.dmp

memory/2064-5-0x0000000000000000-mapping.dmp

memory/2064-6-0x0000024981920000-0x0000024981921000-memory.dmp

memory/2064-7-0x0000024981920000-0x0000024981921000-memory.dmp

memory/2064-9-0x0000024981FF0000-0x0000024981FF1000-memory.dmp

memory/2064-12-0x00000249823F0000-0x00000249823F1000-memory.dmp

memory/2064-14-0x00000249823F0000-0x00000249823F1000-memory.dmp

memory/2064-16-0x0000024982370000-0x0000024982371000-memory.dmp

memory/2064-17-0x0000024982370000-0x0000024982371000-memory.dmp

memory/2064-18-0x0000024982370000-0x0000024982371000-memory.dmp