Malware Analysis Report

2024-10-16 02:53

Sample ID 240623-b76kesyejk
Target 4826e4546a70d30db8513dc36a533abd.bin
SHA256 83b059f069c65f49ef5f7a294cfd61f66a24ab0dbb6c1c7cb2177ee0ab031380
Tags
macro macro_on_action
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
8/10

SHA256

83b059f069c65f49ef5f7a294cfd61f66a24ab0dbb6c1c7cb2177ee0ab031380

Threat Level: Likely malicious

The file 4826e4546a70d30db8513dc36a533abd.bin was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-23 01:48

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
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

2024-06-23 01:48

Reported

2024-06-23 01:50

Platform

win7-20231129-en

Max time kernel

144s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c2043e9cf8c824ecbf26e6c975e8bd8df11dea569236d46ba415694ced2848d3.xls

Signatures

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c2043e9cf8c824ecbf26e6c975e8bd8df11dea569236d46ba415694ced2848d3.xls

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.busyestinglsv.site udp

Files

memory/2180-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2180-1-0x00000000724ED000-0x00000000724F8000-memory.dmp

memory/2180-34-0x00000000061F0000-0x00000000062F0000-memory.dmp

memory/2180-52-0x00000000061F0000-0x00000000062F0000-memory.dmp

memory/2180-51-0x00000000061F0000-0x00000000062F0000-memory.dmp

memory/2180-53-0x00000000724ED000-0x00000000724F8000-memory.dmp

memory/2180-54-0x00000000061F0000-0x00000000062F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 01:48

Reported

2024-06-23 01:50

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c2043e9cf8c824ecbf26e6c975e8bd8df11dea569236d46ba415694ced2848d3.xls"

Signatures

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

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\c2043e9cf8c824ecbf26e6c975e8bd8df11dea569236d46ba415694ced2848d3.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 www.busyestinglsv.site udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/320-0-0x00007FFB02010000-0x00007FFB02020000-memory.dmp

memory/320-2-0x00007FFB02010000-0x00007FFB02020000-memory.dmp

memory/320-1-0x00007FFB02010000-0x00007FFB02020000-memory.dmp

memory/320-4-0x00007FFB02010000-0x00007FFB02020000-memory.dmp

memory/320-3-0x00007FFB02010000-0x00007FFB02020000-memory.dmp

memory/320-6-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-5-0x00007FFB4202D000-0x00007FFB4202E000-memory.dmp

memory/320-7-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-10-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-11-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-9-0x00007FFAFF870000-0x00007FFAFF880000-memory.dmp

memory/320-8-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-12-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-16-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-15-0x00007FFAFF870000-0x00007FFAFF880000-memory.dmp

memory/320-14-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-13-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-64-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp

memory/320-83-0x00007FFB41F90000-0x00007FFB42185000-memory.dmp