Malware Analysis Report

2024-10-16 06:28

Sample ID 240525-ekcklsea25
Target 3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00
SHA256 3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00
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

3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00

Threat Level: Likely malicious

The file 3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Suspicious Office macro

Office macro that triggers on suspicious action

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-25 03:59

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

2024-05-25 03:59

Reported

2024-05-25 04:00

Platform

win7-20231129-en

Max time kernel

58s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00.doc"

Signatures

Office loads VBA resources, possible macro or embedded object present

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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.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\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2232-0-0x000000002F1A1000-0x000000002F1A2000-memory.dmp

memory/2232-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2232-2-0x0000000070C6D000-0x0000000070C78000-memory.dmp

memory/2232-10-0x0000000000410000-0x0000000000510000-memory.dmp

memory/2232-15-0x0000000070C6D000-0x0000000070C78000-memory.dmp

memory/2232-16-0x0000000000410000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 03:59

Reported

2024-05-25 04:00

Platform

win10v2004-20240426-en

Max time kernel

46s

Max time network

38s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00.doc" /o ""

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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3a45ae688a6fc85ba5dbbf728d95ea8332b050871db0f2546bde5831cdb46d00.doc" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 41.173.79.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
NL 23.62.61.184:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 2.17.251.17:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/2356-0-0x00007FFD2C330000-0x00007FFD2C340000-memory.dmp

memory/2356-3-0x00007FFD2C330000-0x00007FFD2C340000-memory.dmp

memory/2356-2-0x00007FFD2C330000-0x00007FFD2C340000-memory.dmp

memory/2356-1-0x00007FFD6C34D000-0x00007FFD6C34E000-memory.dmp

memory/2356-4-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-5-0x00007FFD2C330000-0x00007FFD2C340000-memory.dmp

memory/2356-6-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-7-0x00007FFD2C330000-0x00007FFD2C340000-memory.dmp

memory/2356-8-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-9-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-10-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-11-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-14-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-15-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-16-0x00007FFD29D70000-0x00007FFD29D80000-memory.dmp

memory/2356-13-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-12-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-20-0x00007FFD29D70000-0x00007FFD29D80000-memory.dmp

memory/2356-19-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-21-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-18-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-17-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-34-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-40-0x00007FFD6C34D000-0x00007FFD6C34E000-memory.dmp

memory/2356-41-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

memory/2356-42-0x00007FFD6C2B0000-0x00007FFD6C4A5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TCDBBB8.tmp\iso690.xsl

MD5 ff0e07eff1333cdf9fc2523d323dd654
SHA1 77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512 b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d