Malware Analysis Report

2025-01-22 16:12

Sample ID 241103-2a5jzawdpd
Target 227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe
SHA256 227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe
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

227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe

Threat Level: Known bad

The file 227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

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

2024-11-03 22:23

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 22:23

Reported

2024-11-03 22:26

Platform

win7-20240729-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe.xlsm

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\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

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\regsvr32.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

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\227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe.xlsm

C:\Windows\SysWOW64\regsvr32.exe

regsvr32 -silent C:\Datop\test.test

Network

Country Destination Domain Proto
RU 5.45.81.250:80 tcp
RU 5.45.81.250:80 tcp

Files

memory/2016-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2016-1-0x0000000072B8D000-0x0000000072B98000-memory.dmp

memory/2016-2-0x0000000072B8D000-0x0000000072B98000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 22:23

Reported

2024-11-03 22:26

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

146s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe.xlsm"

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\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1552 wrote to memory of 2164 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\regsvr32.exe
PID 1552 wrote to memory of 2164 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\regsvr32.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\227355e697e11cdde0d3d713d6131899ffb694e8495e5b80ff2788b40a4168fe.xlsm"

C:\Windows\SYSTEM32\regsvr32.exe

regsvr32 -silent C:\Datop\test.test

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.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
RU 5.45.81.250:80 tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1552-0-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

memory/1552-3-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

memory/1552-4-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

memory/1552-2-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

memory/1552-1-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

memory/1552-6-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-5-0x00007FFF83FF0000-0x00007FFF84000000-memory.dmp

memory/1552-8-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-9-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-7-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-10-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-11-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-12-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-14-0x00007FFF816E0000-0x00007FFF816F0000-memory.dmp

memory/1552-13-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-15-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-16-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-17-0x00007FFF816E0000-0x00007FFF816F0000-memory.dmp

memory/1552-27-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

memory/1552-28-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

memory/1552-32-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

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

MD5 fac49a4d07c19f58f88dfed485e49f2b
SHA1 7ba7d85830926178df0f30c9cd8108bce4b4e0ba
SHA256 78f872edccbfd90a115072bc6dd4489909972e32bce696fed37b2ff1a5d1ea4a
SHA512 ae3aa941f6dc7d725be06f94f3dc1f153d8cc39410a026fe2ed63888b9f4bcd7f2bc704d419f159926dd56723b44bffa8928646cec843be5db5d486d0c433620