Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-zcgjtawbnk
Target 4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe
SHA256 4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe
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

4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe

Threat Level: Known bad

The file 4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe 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

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:34

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 20:34

Reported

2024-11-11 20:36

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

133s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe.xlsm"

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\4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe.xlsm"

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 praachichemfood.com udp
US 13.248.213.45:80 praachichemfood.com tcp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 45.213.248.13.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp

Files

memory/1568-1-0x00007FFE77D6D000-0x00007FFE77D6E000-memory.dmp

memory/1568-0-0x00007FFE37D50000-0x00007FFE37D60000-memory.dmp

memory/1568-3-0x00007FFE37D50000-0x00007FFE37D60000-memory.dmp

memory/1568-5-0x00007FFE37D50000-0x00007FFE37D60000-memory.dmp

memory/1568-4-0x00007FFE37D50000-0x00007FFE37D60000-memory.dmp

memory/1568-2-0x00007FFE37D50000-0x00007FFE37D60000-memory.dmp

memory/1568-7-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-10-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-9-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-8-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-11-0x00007FFE35620000-0x00007FFE35630000-memory.dmp

memory/1568-6-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-12-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-15-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-16-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-18-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-17-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-20-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-19-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-14-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-13-0x00007FFE35620000-0x00007FFE35630000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 e89f75f918dbdcee28604d4e09dd71d7
SHA1 f9d9055e9878723a12063b47d4a1a5f58c3eb1e9
SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
SHA512 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

memory/1568-35-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

memory/1568-36-0x00007FFE77D6D000-0x00007FFE77D6E000-memory.dmp

memory/1568-37-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

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

MD5 078d7d83420827b4b785490aab659133
SHA1 77eee596493d83b44de29e7eefbe563b6468dd77
SHA256 9dbd86b22150ab9a3e2a53bc74b2fc2b39583748e3c36170f28cf3571223d600
SHA512 3befae850132084c6be94cc3748365d6efbe0e573ea6cf154ad839cbbb2a52c7b7e10b56e7085ff29d8059ec7bf4537640c28201b55828001b7bb4fbfb30bd5c

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:34

Reported

2024-11-11 20:36

Platform

win7-20240903-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe.xlsm

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\4e4f66f2bbb1b813179239142acd2b1ac0ba6d2389c4f9135246ba78909aa1fe.xlsm

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 praachichemfood.com udp
US 76.223.67.189:80 praachichemfood.com tcp

Files

memory/2628-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2628-1-0x0000000072A4D000-0x0000000072A58000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 e89f75f918dbdcee28604d4e09dd71d7
SHA1 f9d9055e9878723a12063b47d4a1a5f58c3eb1e9
SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
SHA512 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

memory/2628-7-0x0000000072A4D000-0x0000000072A58000-memory.dmp