Malware Analysis Report

2025-03-15 07:24

Sample ID 241111-1p42ba1jfm
Target 2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5
SHA256 2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5
Tags
discovery macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5

Threat Level: Known bad

The file 2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5 was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Checks processor information in registry

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:50

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:50

Reported

2024-11-11 21:51

Platform

win10v2004-20241007-en

Max time kernel

47s

Max time network

36s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.xls"

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.32.7:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 dlfreight.com udp
US 104.18.211.89:80 dlfreight.com tcp
US 104.18.211.89:443 dlfreight.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 7.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 89.211.18.104.in-addr.arpa udp
US 8.8.8.8:53 195.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 hadramout21.com udp
US 8.8.8.8:53 groupesther.com udp
US 8.8.8.8:53 datainline.com udp
AR 200.110.156.200:80 datainline.com tcp
US 8.8.8.8:53 greycoconut.com udp
IN 180.149.241.246:80 greycoconut.com tcp
US 8.8.8.8:53 www.greycoconut.com udp
IN 180.149.241.246:80 www.greycoconut.com tcp
US 8.8.8.8:53 200.156.110.200.in-addr.arpa udp
US 8.8.8.8:53 246.241.149.180.in-addr.arpa udp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 0.205.248.87.in-addr.arpa udp

Files

memory/5020-0-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp

memory/5020-1-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp

memory/5020-3-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp

memory/5020-2-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp

memory/5020-6-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-5-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-12-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-11-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-10-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-13-0x00007FFC2EF70000-0x00007FFC2EF80000-memory.dmp

memory/5020-9-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-8-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-4-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp

memory/5020-14-0x00007FFC2EF70000-0x00007FFC2EF80000-memory.dmp

memory/5020-7-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp

C:\Users\Admin\txdn.dll

MD5 3b79e62476916ff33ddc0668a0898e6d
SHA1 fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA512 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

memory/5020-36-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-37-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp

memory/5020-38-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-39-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

memory/5020-43-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 21:50

Reported

2024-11-11 21:51

Platform

win7-20240903-en

Max time kernel

31s

Max time network

32s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.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\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\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.xls

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 dlfreight.com udp
US 104.18.211.89:80 dlfreight.com tcp
US 104.18.211.89:443 dlfreight.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 hadramout21.com udp
US 8.8.8.8:53 groupesther.com udp
US 8.8.8.8:53 datainline.com udp
AR 200.110.156.200:80 datainline.com tcp
US 8.8.8.8:53 greycoconut.com udp
IN 180.149.241.246:80 greycoconut.com tcp
US 8.8.8.8:53 www.greycoconut.com udp
IN 180.149.241.246:80 www.greycoconut.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/2280-1-0x000000007221D000-0x0000000072228000-memory.dmp

memory/2280-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2280-18-0x000000007221D000-0x0000000072228000-memory.dmp

C:\Users\Admin\txdn.dll

MD5 3b79e62476916ff33ddc0668a0898e6d
SHA1 fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA512 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa