Malware Analysis Report

2025-01-22 16:10

Sample ID 241111-wffvxawlhm
Target 1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357
SHA256 1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357
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

1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357

Threat Level: Known bad

The file 1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357 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 FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:51

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 17:51

Reported

2024-11-11 17:54

Platform

win7-20240903-en

Max time kernel

141s

Max time network

148s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.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\1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.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 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/2856-1-0x0000000071F7D000-0x0000000071F88000-memory.dmp

memory/2856-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2856-14-0x0000000071F7D000-0x0000000071F88000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:51

Reported

2024-11-11 17:54

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.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\1922fad1c4728b9a914955c6a554e2a5321f48cc6f7c431a914488105ea2e357.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
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 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 177.207.119.75.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 28.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4740-0-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

memory/4740-2-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

memory/4740-1-0x00007FFC90FED000-0x00007FFC90FEE000-memory.dmp

memory/4740-4-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

memory/4740-5-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

memory/4740-3-0x00007FFC50FD0000-0x00007FFC50FE0000-memory.dmp

memory/4740-9-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-12-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-11-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-10-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-13-0x00007FFC4EF70000-0x00007FFC4EF80000-memory.dmp

memory/4740-8-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-14-0x00007FFC4EF70000-0x00007FFC4EF80000-memory.dmp

memory/4740-16-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-15-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-18-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-17-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-7-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-6-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-20-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-21-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-19-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

C:\Users\Admin\csei.dll

MD5 8243a2376f1992b552967bd53634137a
SHA1 22710e1072693cb53f636cbfa42080cd328b4c6e
SHA256 35d8022e3685540c13d09b6a39cd34d105570a106aee8ad10e67a4d1ffe62571
SHA512 e0c41b141d6623f9f2713f6692b807e2a29ff347cf78efac8c5ee4c250747ed7e1af29363485b53713fbeb1315c37d34a5ac0d7bdcab79a952d5fc48cf267e5b

memory/4740-34-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-35-0x00007FFC90FED000-0x00007FFC90FEE000-memory.dmp

memory/4740-36-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

memory/4740-40-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

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

MD5 dbb7472adfe7ba1cfcd5eda20bbd8226
SHA1 337272431d5a87e0d86d05b97e29ee473b3b307f
SHA256 0cc82d2fa72433ef85155be87d4256af1bef0d37a6bcb395d824f3998abc4707
SHA512 424d1633524d58f8bbe866ebfe3296ce97e1cecc315386ca1ebd13f79c495865fa20e140dd8ebcd617928dc281c7675df2d01b2ef8a601d5a4377fbb07d7e7da