Malware Analysis Report

2025-01-22 16:06

Sample ID 241111-txjl1s1fkk
Target 61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352
SHA256 61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352
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

61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352

Threat Level: Known bad

The file 61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352 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

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 16:26

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 16:26

Reported

2024-11-11 16:28

Platform

win7-20240903-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352.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\61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352.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 142.250.187.227:80 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 2.19.117.22:80 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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 16:26

Reported

2024-11-11 16:28

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352.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\61ea7b12b287890e89fd20636e9973ddddd7b7773fde9653e2db0e6d850d3352.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 97.17.167.52.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 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 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 89.211.18.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 227.187.250.142.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 8.8.8.8:53 200.156.110.200.in-addr.arpa udp
US 8.8.8.8:53 www.greycoconut.com udp
IN 180.149.241.246:80 www.greycoconut.com tcp
US 8.8.8.8:53 246.241.149.180.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4232-0-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/4232-1-0x00007FFB60F0D000-0x00007FFB60F0E000-memory.dmp

memory/4232-3-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/4232-2-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/4232-4-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/4232-6-0x00007FFB20EF0000-0x00007FFB20F00000-memory.dmp

memory/4232-9-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-10-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-11-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-8-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-12-0x00007FFB1ED00000-0x00007FFB1ED10000-memory.dmp

memory/4232-7-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-13-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-5-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-15-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-16-0x00007FFB1ED00000-0x00007FFB1ED10000-memory.dmp

memory/4232-18-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-17-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-14-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

C:\Users\Admin\txdn.dll

MD5 3b79e62476916ff33ddc0668a0898e6d
SHA1 fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA512 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

memory/4232-40-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-41-0x00007FFB60F0D000-0x00007FFB60F0E000-memory.dmp

memory/4232-42-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-45-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-49-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-48-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-47-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-46-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-44-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-43-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

memory/4232-50-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

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

MD5 668d6e4ee7a9c289e8592c3eb0177fda
SHA1 aaea782d61792867ce36fb096c713fba01b93639
SHA256 adaa95d6b6c43ae64a9d52ffad0d780030bca9a8af1ab6de03857b8a828a32e4
SHA512 8dd16d869e76bf87dc45ea567296e933d7768edc77871eebc68454f53c8dbeb0de743097492fb5267b6a5e8dce5733cad92c6c39f43b5e062fe26e4145894573