Malware Analysis Report

2025-06-15 20:58

Sample ID 201019-19c4sb34ae
Target document-1228001671.xls
SHA256 144d7d3c66bdf573589f726931eff081d93428d5dd4b9b92a90e724c528ffa9b
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

144d7d3c66bdf573589f726931eff081d93428d5dd4b9b92a90e724c528ffa9b

Threat Level: Known bad

The file document-1228001671.xls was found to be: Known bad.

Malicious Activity Summary

macro trojan banker stealer qakbot

Qakbot/Qbot

Executes dropped EXE

Suspicious Office macro

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

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Creates scheduled task(s)

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-19 22:58

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

2020-10-19 22:58

Reported

2020-10-19 23:04

Platform

win7v200722

Max time kernel

55s

Max time network

32s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1228001671.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\WErtu\Reterd\szvmhegu.exe N/A
N/A N/A C:\WErtu\Reterd\szvmhegu.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\Gxvxjmaqibda\jfxhfwgg.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1240 wrote to memory of 1876 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1240 wrote to memory of 1876 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1240 wrote to memory of 1876 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1240 wrote to memory of 1876 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\WErtu\Reterd\szvmhegu.exe
PID 1876 wrote to memory of 1960 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1876 wrote to memory of 1960 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1876 wrote to memory of 1960 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1876 wrote to memory of 1960 N/A C:\WErtu\Reterd\szvmhegu.exe C:\WErtu\Reterd\szvmhegu.exe
PID 1876 wrote to memory of 1236 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1876 wrote to memory of 1236 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1876 wrote to memory of 1236 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1876 wrote to memory of 1236 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1876 wrote to memory of 852 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1876 wrote to memory of 852 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1876 wrote to memory of 852 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1876 wrote to memory of 852 N/A C:\WErtu\Reterd\szvmhegu.exe C:\Windows\SysWOW64\schtasks.exe
PID 1236 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1236 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1236 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1236 wrote to memory of 1864 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe
PID 1236 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Windows\SysWOW64\explorer.exe
PID 1236 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Windows\SysWOW64\explorer.exe
PID 1236 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Windows\SysWOW64\explorer.exe
PID 1236 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Windows\SysWOW64\explorer.exe
PID 1236 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe C:\Windows\SysWOW64\explorer.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\document-1228001671.xls

C:\WErtu\Reterd\szvmhegu.exe

"C:\WErtu\Reterd\szvmhegu.exe"

C:\WErtu\Reterd\szvmhegu.exe

C:\WErtu\Reterd\szvmhegu.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nkmmrdzrm /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I nkmmrdzrm" /SC ONCE /Z /ST 01:01 /ET 01:13

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.notamuzikaletleri.com udp
N/A 176.53.8.231:443 www.notamuzikaletleri.com tcp

Files

memory/1240-0-0x0000000004C10000-0x0000000004D10000-memory.dmp

memory/1240-1-0x0000000004C10000-0x0000000004D10000-memory.dmp

memory/1808-2-0x000007FEF7860000-0x000007FEF7ADA000-memory.dmp

memory/1876-3-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1240-5-0x0000000005FC0000-0x0000000005FC4000-memory.dmp

memory/1240-6-0x00000000060B0000-0x00000000060B4000-memory.dmp

memory/1240-9-0x0000000004EC0000-0x0000000004EC4000-memory.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1960-11-0x0000000000000000-mapping.dmp

C:\WErtu\Reterd\szvmhegu.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1960-13-0x0000000002490000-0x00000000024A1000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1236-16-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/852-18-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1864-20-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.exe

MD5 d6fc3c7b2c6846ef8f4808a1076203b8
SHA1 b3c9c1a74616f00b212a7fa8159ee93e29d3f5b9
SHA256 c0b98e6c6da8a393b6163c3100ccf227b40bde4c0e0fa104ec74914830c180de
SHA512 91c955cfde42dea1b850de37945b29aee87a54f352533b661cdebc5ad261896682d313e7a7834d22b58983d0deef92f77f08ea9ba7a9252a94a070decf211c5c

memory/1864-22-0x0000000002420000-0x0000000002431000-memory.dmp

memory/1236-23-0x0000000000440000-0x0000000000477000-memory.dmp

memory/1796-24-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Gxvxjmaqibda\jfxhfwgg.dat

MD5 c0ef274a0684d05561f4d85edb50dbf9
SHA1 020a94f885afeb6adb36f8f95f07ff2633b3f12f
SHA256 969d4c1f41f465690fc3e6104f64c77c67afdd0b6c122cf48b7b3c4dfc61ead1
SHA512 a7fe3f64226e6edc4921bf24e313d906af0423ee0b05fe6fdb12f6fe70bf8512d3f5b19e8af4bddd4651081a737c50bb23a8e6ea0ad486528efdeaaf060f1aca

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-19 22:58

Reported

2020-10-19 23:04

Platform

win10

Max time kernel

10s

Max time network

130s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1228001671.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 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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 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\document-1228001671.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 4472

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4472

Network

N/A

Files

memory/2212-0-0x00007FFA83F20000-0x00007FFA845E6000-memory.dmp

memory/2264-4-0x0000000000000000-mapping.dmp

memory/2676-5-0x0000000000000000-mapping.dmp

memory/2676-6-0x0000019DD96B0000-0x0000019DD96B1000-memory.dmp

memory/2676-7-0x0000019DD96B0000-0x0000019DD96B1000-memory.dmp

memory/2676-9-0x0000019DD9D80000-0x0000019DD9D81000-memory.dmp

memory/2676-12-0x0000019DD9D80000-0x0000019DD9D81000-memory.dmp

memory/2676-13-0x0000019DDA180000-0x0000019DDA181000-memory.dmp

memory/2676-15-0x0000019DDA0A0000-0x0000019DDA0A1000-memory.dmp

memory/2676-16-0x0000019DDA0A0000-0x0000019DDA0A1000-memory.dmp

memory/2676-17-0x0000019DDA0A0000-0x0000019DDA0A1000-memory.dmp

memory/2676-18-0x0000019DD9CC0000-0x0000019DD9CC1000-memory.dmp