Malware Analysis Report

2025-03-15 07:58

Sample ID 240815-1hbfeswcrb
Target 8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd
SHA256 8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd
Tags
macro macro_on_action discovery evasion
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

8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd

Threat Level: Likely malicious

The file 8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery evasion

Office macro that triggers on suspicious action

Suspicious Office macro

Disables RegEdit via registry modification

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Modifies Internet Explorer start page

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-15 21:38

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

2024-08-15 21:38

Reported

2024-08-15 21:39

Platform

win7-20240705-en

Max time kernel

15s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd.xls

Signatures

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\SOFTWARE\MICROSOFT\Internet Explorer\Main C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer start page

stealer
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://3azu.taobao.com" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://3azu.taobao.com" 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

Suspicious use of FindShellTrayWindow

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\8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd.xls

Network

N/A

Files

memory/2684-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2684-1-0x000000007219D000-0x00000000721A8000-memory.dmp

memory/2684-9-0x0000000006390000-0x0000000006490000-memory.dmp

memory/2684-6-0x0000000006390000-0x0000000006490000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\VBB02F.tmp

MD5 63a99f0138b8b8db9b1ea7c49bf4b9fb
SHA1 20f81df4d9b710d478974e64c3f00f27504b454c
SHA256 516eb4fe006dadc0cc6074a99a6cf572e6141766335f8198b00a0067d512ac1f
SHA512 c894d763c1b772a3fcc89683f3ce7c142069106efafaad39ba98f9368a7b79310f541d6fe1aceafee7d6272df75eae2879a5d426bbaebda299a1c5e5a08b25c5

memory/2684-31-0x000000007219D000-0x00000000721A8000-memory.dmp

memory/2684-32-0x0000000006390000-0x0000000006490000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 21:38

Reported

2024-08-15 21:39

Platform

win10v2004-20240802-en

Max time kernel

56s

Max time network

59s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd.xls"

Signatures

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

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

Modifies Internet Explorer start page

stealer
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://3azu.taobao.com" 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\8eda1e1ab934deb09c2c3e0b27ea55029c0ef6fcdcc404ff5686cdb7189dd4cd.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.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 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 25.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
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

Files

memory/3500-1-0x00007FFFCABAD000-0x00007FFFCABAE000-memory.dmp

memory/3500-0-0x00007FFF8AB90000-0x00007FFF8ABA0000-memory.dmp

memory/3500-5-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-6-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-4-0x00007FFF8AB90000-0x00007FFF8ABA0000-memory.dmp

memory/3500-2-0x00007FFF8AB90000-0x00007FFF8ABA0000-memory.dmp

memory/3500-3-0x00007FFF8AB90000-0x00007FFF8ABA0000-memory.dmp

memory/3500-8-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-9-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-10-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-11-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-7-0x00007FFF8AB90000-0x00007FFF8ABA0000-memory.dmp

memory/3500-12-0x00007FFF88AB0000-0x00007FFF88AC0000-memory.dmp

memory/3500-13-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-15-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-14-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-16-0x00007FFF88AB0000-0x00007FFF88AC0000-memory.dmp

memory/3500-40-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-42-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-46-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-41-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-47-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-48-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\VB97FB.tmp

MD5 63a99f0138b8b8db9b1ea7c49bf4b9fb
SHA1 20f81df4d9b710d478974e64c3f00f27504b454c
SHA256 516eb4fe006dadc0cc6074a99a6cf572e6141766335f8198b00a0067d512ac1f
SHA512 c894d763c1b772a3fcc89683f3ce7c142069106efafaad39ba98f9368a7b79310f541d6fe1aceafee7d6272df75eae2879a5d426bbaebda299a1c5e5a08b25c5

memory/3500-56-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

MD5 bfbe503c649981816e845da77cb6c153
SHA1 93c3b1fc35df7410d97bb370c492af152b7e5574
SHA256 1396da01f8f02383b39694cc15dbd96e7964deb4c6625e3d6481ef0382cc722e
SHA512 5f8d729ecde75b3e00fb58910223555317ecf6525cf3f9239e74aaad2dbd927917ff927df76b0e29ab37a18cda39529cb6743e39d8570f380754622f1633db38

memory/3500-71-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-72-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-73-0x00007FFFCABAD000-0x00007FFFCABAE000-memory.dmp

memory/3500-74-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-75-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-76-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-77-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

memory/3500-81-0x00007FFFCAB10000-0x00007FFFCAD05000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 716290d3fe59aa1db196efcfbdee9e20
SHA1 bc4d79fcc1c90bc60250f3441d1538c2a8c6a05b
SHA256 5cb617510ac5d787b0646a3d7a0d657ba88cb3b82ea54edbe6ae5afe10534a9a
SHA512 87c0b1ebf6b13f50b2df5b3712b4da80f86940e4e956ac5688a25bafc5c4a546e25148ffc6e5c536038fc1c5d27c42f32001d6f847189d89de2b7a7529338036