Malware Analysis Report

2025-01-22 19:15

Sample ID 240724-x7hz1swele
Target a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.xls
SHA256 a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9
Tags
discovery 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

a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9

Threat Level: Likely malicious

The file a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.xls was found to be: Likely malicious.

Malicious Activity Summary

discovery macro macro_on_action

Office macro that triggers on suspicious action

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-24 19:29

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 19:29

Reported

2024-07-24 19:32

Platform

win7-20240704-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\a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.xls

Signatures

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

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\a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.xls

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/1864-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1864-1-0x00000000727CD000-0x00000000727D8000-memory.dmp

memory/1864-11-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-23-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-34-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-38-0x0000000007520000-0x0000000007720000-memory.dmp

memory/1864-33-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-32-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-31-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-30-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-29-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-28-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-27-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-26-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-25-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-24-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-22-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-21-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-20-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-19-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-18-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-17-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-16-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-14-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-13-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-12-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-15-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-10-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-9-0x0000000000360000-0x0000000000460000-memory.dmp

memory/1864-39-0x00000000727CD000-0x00000000727D8000-memory.dmp

memory/1864-40-0x0000000007520000-0x0000000007720000-memory.dmp

memory/1864-44-0x0000000007520000-0x0000000007720000-memory.dmp

memory/1864-45-0x0000000007520000-0x0000000007720000-memory.dmp

memory/1864-46-0x0000000007520000-0x0000000007720000-memory.dmp

memory/1864-47-0x0000000007520000-0x0000000007720000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 19:29

Reported

2024-07-24 19:32

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

125s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.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 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 use of WriteProcessMemory

Description Indicator Process Target
PID 3160 wrote to memory of 4920 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe
PID 3160 wrote to memory of 4920 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe

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\a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9.xls"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc

Network

Country Destination Domain Proto
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3160-0-0x00007FFC33A70000-0x00007FFC33A80000-memory.dmp

memory/3160-2-0x00007FFC33A70000-0x00007FFC33A80000-memory.dmp

memory/3160-1-0x00007FFC33A70000-0x00007FFC33A80000-memory.dmp

memory/3160-4-0x00007FFC33A70000-0x00007FFC33A80000-memory.dmp

memory/3160-3-0x00007FFC33A70000-0x00007FFC33A80000-memory.dmp

memory/3160-5-0x00007FFC73A8D000-0x00007FFC73A8E000-memory.dmp

memory/3160-7-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-9-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-8-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-6-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-12-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-11-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-14-0x00007FFC314F0000-0x00007FFC31500000-memory.dmp

memory/3160-13-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-15-0x00007FFC314F0000-0x00007FFC31500000-memory.dmp

memory/3160-10-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-16-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-17-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

memory/3160-18-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

MD5 d29962abc88624befc0135579ae485ec
SHA1 e40a6458296ec6a2427bcb280572d023a9862b31
SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA512 4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

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

MD5 a46a354abd9f27b13e92b26be0dd58ba
SHA1 da4d9147b1355dde467d51b2f988353940af0419
SHA256 fcf3abfe10332bda952c6208e3dd9b9d2e1b76a0869dfa7897595051c766311d
SHA512 66bb92ecf4c065719dc9e75df62b19bce97734219dee9211fc36924d147dc58e862675b32b881dfa9e9ba5da1e23685624a9a0a142a2951d113d90c6ec18c60f

memory/3160-54-0x00007FFC739F0000-0x00007FFC73BE5000-memory.dmp