Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-y56tqsvket
Target d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa
SHA256 d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa
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

d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa

Threat Level: Known bad

The file d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa 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

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:23

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:23

Reported

2024-11-11 20:25

Platform

win7-20240903-en

Max time kernel

139s

Max time network

143s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa.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

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\d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa.xls

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.clintmorey.com udp
US 75.119.207.177:443 www.clintmorey.com tcp
US 8.8.8.8:53 ciberfallas.com udp
DE 185.53.177.31:443 ciberfallas.com tcp
DE 185.53.177.31:443 ciberfallas.com tcp
DE 185.53.177.31:443 ciberfallas.com tcp
DE 185.53.177.31:443 ciberfallas.com tcp
US 8.8.8.8:53 code786.com udp
US 8.8.8.8:53 combatenterprises.com udp
US 198.57.200.100:80 combatenterprises.com tcp
US 8.8.8.8:53 sd-1684625-h00001.ferozo.net udp
AR 66.97.34.127:80 sd-1684625-h00001.ferozo.net tcp
US 8.8.8.8:53 comarcahoy.com.ar udp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/3004-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/3004-1-0x00000000727CD000-0x00000000727D8000-memory.dmp

memory/3004-14-0x00000000727CD000-0x00000000727D8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:23

Reported

2024-11-11 20:25

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa.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\SysWow64\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.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 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

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\d19241622ee71a8e06e19caaca6c3de0df34b1117a4b15b6f651c3ce3427dafa.xls"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\csei.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 www.clintmorey.com udp
US 75.119.207.177:443 www.clintmorey.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 177.207.119.75.in-addr.arpa udp
US 8.8.8.8:53 ciberfallas.com udp
DE 185.53.177.31:443 ciberfallas.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 31.177.53.185.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.73.50.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4572-1-0x00007FFD831CD000-0x00007FFD831CE000-memory.dmp

memory/4572-2-0x00007FFD431B0000-0x00007FFD431C0000-memory.dmp

memory/4572-0-0x00007FFD431B0000-0x00007FFD431C0000-memory.dmp

memory/4572-3-0x00007FFD431B0000-0x00007FFD431C0000-memory.dmp

memory/4572-6-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-9-0x00007FFD431B0000-0x00007FFD431C0000-memory.dmp

memory/4572-8-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-13-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-14-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-15-0x00007FFD409B0000-0x00007FFD409C0000-memory.dmp

memory/4572-12-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-11-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-16-0x00007FFD409B0000-0x00007FFD409C0000-memory.dmp

memory/4572-19-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-21-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-20-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-18-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-17-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-10-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-7-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-5-0x00007FFD431B0000-0x00007FFD431C0000-memory.dmp

memory/4572-4-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

C:\Users\Admin\csei.dll

MD5 95a46d50f02585f262df73aad535219e
SHA1 c5e751fafac3c33339eb7cf330bcb3d5eef539e7
SHA256 402a889dc923b073e6d3f7d03334bf383d544be55a38e79d5d80d41430a5291e
SHA512 51bedee6f4212a38ec4451c87627656efb3c262082105e24efee658f2dcf39bcd197a1895c96d48dc8dd93242887356097c24fc38279ee9e0046bee5a8f1c390

memory/4572-42-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-43-0x00007FFD831CD000-0x00007FFD831CE000-memory.dmp

memory/4572-44-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

memory/4572-48-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

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

MD5 266d8ddc60216e71e7e87b3a6aede661
SHA1 7db225dfb2e92374461ace0cee78637ee19d80f6
SHA256 6477c3b66201d8a5129bedadfd97954df1ff4991ef189ccbe7b3320442f33f13
SHA512 ab90282988ac6113b949730229b7d471365be9de7f854cd6790520063070c6dfa082aad0de47c6e04304db459572d933031438307b6e5922e4adaad610bfdbb7