Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zkep7ayrcr
Target 79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3
SHA256 79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3
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

79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3

Threat Level: Known bad

The file 79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3 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 behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:46

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 20:46

Reported

2024-11-11 20:48

Platform

win7-20241010-en

Max time kernel

138s

Max time network

143s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3.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\79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3.xls

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 dharian.org udp
US 192.252.156.33:80 dharian.org tcp
US 8.8.8.8:53 digitalripple.com udp
US 64.40.126.97:80 digitalripple.com tcp

Files

memory/2484-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2484-1-0x000000007270D000-0x0000000072718000-memory.dmp

C:\Users\Admin\adw.dll

MD5 11a62c10d95eab4b66408d9a62e109e6
SHA1 40ee00f6fc266131a1da5e112ffe41f42212faa7
SHA256 c4ac0b66058f3c978847062f933e6ac015f5bee053957fe26803da3b578cc3cf
SHA512 f6a85fa91fdfaa72741cc3a1c8aa2341fa0a7a49f3bb52de17fbffc9fbde19234e451e0a0af9d15de540304d7dc54bd1b32e4c45884b93818131b1700e8ae2a5

memory/2484-7-0x000000007270D000-0x0000000072718000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:46

Reported

2024-11-11 20:48

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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\79d0f76320f33881127ad0f5b5ec3e2693f8461145f87a82bd9a0a70f3197bd3.xls"

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 dharian.org udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 192.252.156.33:80 dharian.org tcp
US 8.8.8.8:53 digitalripple.com udp
US 64.40.126.97:80 digitalripple.com tcp
US 8.8.8.8:53 33.156.252.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.126.40.64.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 108.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4100-0-0x00007FFDF5570000-0x00007FFDF5580000-memory.dmp

memory/4100-1-0x00007FFE3558D000-0x00007FFE3558E000-memory.dmp

memory/4100-4-0x00007FFDF5570000-0x00007FFDF5580000-memory.dmp

memory/4100-3-0x00007FFDF5570000-0x00007FFDF5580000-memory.dmp

memory/4100-2-0x00007FFDF5570000-0x00007FFDF5580000-memory.dmp

memory/4100-5-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-6-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-8-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-10-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-11-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-12-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-13-0x00007FFDF2DB0000-0x00007FFDF2DC0000-memory.dmp

memory/4100-9-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-7-0x00007FFDF5570000-0x00007FFDF5580000-memory.dmp

memory/4100-14-0x00007FFDF2DB0000-0x00007FFDF2DC0000-memory.dmp

C:\Users\Admin\adw.dll

MD5 11a62c10d95eab4b66408d9a62e109e6
SHA1 40ee00f6fc266131a1da5e112ffe41f42212faa7
SHA256 c4ac0b66058f3c978847062f933e6ac015f5bee053957fe26803da3b578cc3cf
SHA512 f6a85fa91fdfaa72741cc3a1c8aa2341fa0a7a49f3bb52de17fbffc9fbde19234e451e0a0af9d15de540304d7dc54bd1b32e4c45884b93818131b1700e8ae2a5

memory/4100-29-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

memory/4100-30-0x00007FFE3558D000-0x00007FFE3558E000-memory.dmp

memory/4100-31-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

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

MD5 bfab253b6df167dc89973580b1f80b5f
SHA1 348208bb95afa62c17c606e429d0420d52ae6209
SHA256 0238c839cc43b64261d3da1e03d48a8df1511c320a70fa7d4f14d89342dfb209
SHA512 54128c0d99afaca8223eccdcf024eeeb7f73bfcafe3871fa3d2019092e3d91b2f0e6d0f6b7bced2ffa702f1e6121498fdd1279ee42ae76fd4ca18197f29b276b