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Windows Analysis Report
#U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls

Overview

General Information

Sample name:	#U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls renamed because original name is a hash value
Original sample name:	.xls
Analysis ID:	1634933
MD5:	016df9e04a1cb43d5d109dccc5144f4b
SHA1:	da30cd4cfa97a12ff679ad2fc05a9c6152645ece
SHA256:	e123fa2abf1a2f12af9f1828b317d486d1df63aff801d591c5e939eb06eb4cfc
Tags:	xlsuser-zhuzhu0009
Infos:

Detection

Score:	56
Range:	0 - 100
Confidence:	100%

Signatures

Multi AV Scanner detection for submitted file

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with many string operations indicating source code obfuscation

Detected non-DNS traffic on DNS port

Document contains embedded VBA macros

Document misses a certain OLE stream usually present in this Microsoft Office document type

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

IP address seen in connection with other malware

JA3 SSL client fingerprint seen in connection with other malware

Potential document exploit detected (performs DNS queries)

Potential document exploit detected (performs HTTP gets)

Potential document exploit detected (unknown TCP traffic)

Sample execution stops while process was sleeping (likely an evasion)

Sigma detected: Excel Network Connections

Sigma detected: Suspicious Office Outbound Connections

Suricata IDS alerts with low severity for network traffic

Classification

Process Tree

System is w10x64

EXCEL.EXE (PID: 8088 cmdline: "C:\Program Files (x86)\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding MD5: 4A871771235598812032C822E6F68F19)

splwow64.exe (PID: 2968 cmdline: C:\Windows\splwow64.exe 12288 MD5: 77DE7761B037061C7C112FD3C5B91E73)

cleanup

Sigma Signatures

System Summary

Sigma detected: Excel Network Connections

Source: Network Connection

Author: Christopher Peacock '@securepeacock', SCYTHE '@scythe_io', Florian Roth '@Neo23x0", Tim Shelton: Data: DestinationIp: 52.123.128.14, DestinationIsIpv6: false, DestinationPort: 443, EventID: 3, Image: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE, Initiated: true, ProcessId: 8088, Protocol: tcp, SourceIp: 192.168.2.4, SourceIsIpv6: false, SourcePort: 49726

Sigma detected: Suspicious Office Outbound Connections

Source: Network Connection

Author: X__Junior (Nextron Systems): Data: DestinationIp: 192.168.2.4, DestinationIsIpv6: false, DestinationPort: 49726, EventID: 3, Image: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE, Initiated: true, ProcessId: 8088, Protocol: tcp, SourceIp: 52.123.128.14, SourceIsIpv6: false, SourcePort: 443

Suricata Signatures

ET JA3 Hash - Possible Malware - Fake Firefox Font Update

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-11T07:16:52.713763+0100	2028371	3	Unknown Traffic	192.168.2.4	49726	52.123.128.14	443	TCP
2025-03-11T07:17:55.182700+0100	2028371	3	Unknown Traffic	192.168.2.4	52816	13.107.253.72	443	TCP

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls

Virustotal: Detection: 24%

Perma Link

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

File opened: C:\Program Files (x86)\Microsoft Office\root\vfs\SystemX86\MSVCR100.dll

Jump to behavior

Source: unknown

HTTPS traffic detected: 13.107.253.72:443 -> 192.168.2.4:52816 version: TLS 1.2

Source: global traffic	DNS query: name: 18.31.95.13.in-addr.arpa
Source: global traffic	DNS query: name: 56.163.245.4.in-addr.arpa
Source: global traffic	DNS query: name: otelrules.svc.static.microsoft

Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443

Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:52809 -> 162.159.36.2:53
Source: global traffic	TCP traffic: 162.159.36.2:53 -> 192.168.2.4:52809
Source: global traffic	TCP traffic: 192.168.2.4:52809 -> 162.159.36.2:53
Source: global traffic	TCP traffic: 162.159.36.2:53 -> 192.168.2.4:52809
Source: global traffic	TCP traffic: 192.168.2.4:52809 -> 162.159.36.2:53
Source: global traffic	TCP traffic: 162.159.36.2:53 -> 192.168.2.4:52809
Source: global traffic	TCP traffic: 192.168.2.4:52809 -> 162.159.36.2:53
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 13.107.253.72:443 -> 192.168.2.4:52816
Source: global traffic	TCP traffic: 192.168.2.4:52816 -> 13.107.253.72:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726
Source: global traffic	TCP traffic: 192.168.2.4:49726 -> 52.123.128.14:443
Source: global traffic	TCP traffic: 52.123.128.14:443 -> 192.168.2.4:49726

Source: global traffic

TCP traffic: 192.168.2.4:52809 -> 162.159.36.2:53

Source: Joe Sandbox View	IP Address: 13.107.253.72 13.107.253.72
Source: Joe Sandbox View	IP Address: 52.123.128.14 52.123.128.14

Source: Joe Sandbox View

JA3 fingerprint: a0e9f5d64349fb13191bc781f81f42e1

Source: Network traffic	Suricata IDS: 2028371 - Severity 3 - ET JA3 Hash - Possible Malware - Fake Firefox Font Update : 192.168.2.4:52816 -> 13.107.253.72:443
Source: Network traffic	Suricata IDS: 2028371 - Severity 3 - ET JA3 Hash - Possible Malware - Fake Firefox Font Update : 192.168.2.4:49726 -> 52.123.128.14:443

Source: unknown	TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown	TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown	TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown	TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown	UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown	UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown	UDP traffic detected without corresponding DNS query: 1.1.1.1

Source: global traffic	DNS traffic detected: DNS query: 18.31.95.13.in-addr.arpa
Source: global traffic	DNS traffic detected: DNS query: 56.163.245.4.in-addr.arpa
Source: global traffic	DNS traffic detected: DNS query: otelrules.svc.static.microsoft

Source: unknown	Network traffic detected: HTTP traffic on port 52816 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 52816
Source: unknown	Network traffic detected: HTTP traffic on port 49726 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49726

Source: unknown

HTTPS traffic detected: 13.107.253.72:443 -> 192.168.2.4:52816 version: TLS 1.2

System Summary

Document contains an embedded VBA macro with suspicious strings

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	OLE, VBA macro line: Open Environ(O000O110001OOOO11()) & O111OO111OO101101() For Output As fileNumber
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	OLE, VBA macro line: Application.Quit
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	OLE, VBA macro line: O11111O1O1110OO1O = Environ(O1O1OO101O11O010O())
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	OLE, VBA macro line: Open Environ(O000O110001OOOO11()) & O111OO111OO101101() For Output As fileNumber
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	OLE, VBA macro line: Application.Quit
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	OLE, VBA macro line: O11111O1O1110OO1O = Environ(O1O1OO101O11O010O())

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	OLE indicator, VBA macros: true
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	OLE indicator, VBA macros: true

Source: ~DFAC55E4C13A2B51BE.TMP.1.dr

OLE stream indicators for Word, Excel, PowerPoint, and Visio: all false

Source: classification engine

Classification label: mal56.expl.evad.winXLS@3/6@3/2

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

File created: C:\Program Files (x86)\Microsoft Office\root\vfs\Common AppData\Microsoft\Office\Heartbeat\HeartbeatCache.xml

Jump to behavior

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Temp\{1347640A-3425-49A1-A9E4-189C29046A65} - OProcSessId.dat

Jump to behavior

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	OLE indicator, Workbook stream: true
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	OLE indicator, Workbook stream: true

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

File read: C:\Users\desktop.ini

Jump to behavior

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls

Virustotal: Detection: 24%

Source: unknown	Process created: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE "C:\Program Files (x86)\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process created: C:\Windows\splwow64.exe C:\Windows\splwow64.exe 12288
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process created: C:\Windows\splwow64.exe C:\Windows\splwow64.exe 12288	Jump to behavior

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{AC9F2F90-E877-11CE-9F68-00AA00574A4F}\InprocServer32

Jump to behavior

Source: Window Recorder

Window detected: More than 3 window changes detected

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

Key opened: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Common

Jump to behavior

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls

Static file information: File size 3369984 > 1048576

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

File opened: C:\Program Files (x86)\Microsoft Office\root\vfs\SystemX86\MSVCR100.dll

Jump to behavior

Source: ~DFAC55E4C13A2B51BE.TMP.1.dr

Initial sample: OLE indicators vbamacros = False

Data Obfuscation

Document contains an embedded VBA with many string operations indicating source code obfuscation

Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	Stream path '_VBA_PROJECT_CUR/VBA/Sheet1' : High number of string operations
Source: #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls.1.dr	Stream path '_VBA_PROJECT_CUR/VBA/Sheet1' : High number of string operations

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: FAILCRITICALERRORS \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\splwow64.exe	Process information set: NOALIGNMENTFAULTEXCEPT \| NOOPENFILEERRORBOX	Jump to behavior

Source: C:\Windows\splwow64.exe

Window / User API: threadDelayed 944

Jump to behavior

Source: C:\Windows\splwow64.exe	Last function: Thread delayed
Source: C:\Windows\splwow64.exe	Last function: Thread delayed

Source: C:\Windows\splwow64.exe	Thread delayed: delay time: 120000			Jump to behavior
Source: C:\Windows\splwow64.exe	Thread delayed: delay time: 120000			Jump to behavior

Source: C:\Program Files (x86)\Microsoft Office\root\Office16\EXCEL.EXE

Process information queried: ProcessInformation

Jump to behavior

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	21 Scripting	Valid Accounts	3 Exploitation for Client Execution	21 Scripting	1 Process Injection	1 Masquerading	OS Credential Dumping	1 Process Discovery	Remote Services	Data from Local System	2 Encrypted Channel	Exfiltration Over Other Network Medium	Abuse Accessibility Features
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	1 Virtualization/Sandbox Evasion	LSASS Memory	1 Virtualization/Sandbox Evasion	Remote Desktop Protocol	Data from Removable Media	1 Non-Application Layer Protocol	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	1 Process Injection	Security Account Manager	1 Application Window Discovery	SMB/Windows Admin Shares	Data from Network Shared Drive	2 Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	1 Obfuscated Files or Information	NTDS	1 File and Directory Discovery	Distributed Component Object Model	Input Capture	Protocol Impersonation	Traffic Duplication	Data Destruction
Gather Victim Network Information	Server	Cloud Accounts	Launchd	Network Logon Script	Network Logon Script	Software Packing	LSA Secrets	1 System Information Discovery	SSH	Keylogging	Fallback Channels	Scheduled Transfer	Data Encrypted for Impact

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Source	Detection	Scanner	Label	Link
#U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls	25%	Virustotal		Browse

Name	IP	Active	Malicious	Reputation
s-part-0044.t-0009.fb-t-msedge.net	13.107.253.72	true	false	high
s-0005.dual-s-msedge.net	52.123.128.14	true	false	high
56.163.245.4.in-addr.arpa	unknown	unknown	false	high
18.31.95.13.in-addr.arpa	unknown	unknown	false	high
otelrules.svc.static.microsoft	unknown	unknown	false	high

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	Flag	ASN	ASN Name	Malicious
13.107.253.72	s-part-0044.t-0009.fb-t-msedge.net	United States		8068	MICROSOFT-CORP-MSN-AS-BLOCKUS	false
52.123.128.14	s-0005.dual-s-msedge.net	United States		8075	MICROSOFT-CORP-MSN-AS-BLOCKUS	false

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1634933
Start date and time:	2025-03-11 07:15:33 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 56s
Hypervisor based Inspection enabled:	false
Report type:	full
Cookbook file name:	defaultwindowsofficecookbook.jbs
Analysis system description:	Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01
Number of analysed new started processes analysed:	19
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	HCA enabled EGA enabled AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Sample name:	#U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls renamed because original name is a hash value
Original Sample Name:	.xls
Detection:	MAL
Classification:	mal56.expl.evad.winXLS@3/6@3/2
EGA Information:	Failed
HCA Information:	Successful, ratio: 100% Number of executed functions: 0 Number of non-executed functions: 0
Cookbook Comments:	Found application associated with file extension: .xls Found Word or Excel or PowerPoint or XPS Viewer Attach to Office via COM Scroll down Close Viewer

Warnings

Exclude process from analysis (whitelisted): MpCmdRun.exe, dllhost.exe, audiodg.exe, sppsvc.exe, RuntimeBroker.exe, ShellExperienceHost.exe, WMIADAP.exe, SIHClient.exe, backgroundTaskHost.exe, conhost.exe, svchost.exe
Excluded IPs from analysis (whitelisted): 23.199.214.10, 52.109.76.240, 52.109.89.19, 20.42.65.85, 20.42.73.26, 20.12.23.50, 131.253.33.254, 20.190.159.4, 13.95.31.18, 4.245.163.56
Excluded domains from analysis (whitelisted): a-ring-fallback.msedge.net, slscr.update.microsoft.com, weu-azsc-000.roaming.officeapps.live.com, fs-wildcard.microsoft.com.edgekey.net, fs-wildcard.microsoft.com.edgekey.net.globalredir.akadns.net, e16604.dscf.akamaiedge.net, eur.roaming1.live.com.akadns.net, roaming.officeapps.live.com, osiprod-weu-buff-azsc-000.westeurope.cloudapp.azure.com, dual-s-0005-office.config.skype.com, login.live.com, onedscolprdeus09.eastus.cloudapp.azure.com, officeclient.microsoft.com, prod.fs.microsoft.com.akadns.net, ecs.office.com, self-events-data.trafficmanager.net, fs.microsoft.com, prod.configsvc1.live.com.akadns.net, self.events.data.microsoft.com, onedscolprdeus05.eastus.cloudapp.azure.com, prod.roaming1.live.com.akadns.net, fe3cr.delivery.mp.microsoft.com, neu-azsc-config.officeapps.live.com, config.officeapps.live.com, ecs.office.trafficmanager.net, europe.configsvc1.live.com.akadns.net
Not all processes where analyzed, report is missing behavior information
Report size getting too big, too many NtCreateKey calls found.
Report size getting too big, too many NtQueryValueKey calls found.
Report size getting too big, too many NtReadVirtualMemory calls found.
Report size getting too big, too many NtSetInformationFile calls found.

Simulations

Behavior and APIs

Time	Type	Description
02:17:46	API Interceptor	969x Sleep call for process: splwow64.exe modified

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
13.107.253.72	Nouvelle_commande9353834.xls	Get hash	malicious	Unknown	Browse
	R.D. Bitzer Co. Inc.xlsm	Get hash	malicious	Unknown	Browse
	221036299-043825-sanlccjavap0004-6531.xls	Get hash	malicious	Unknown	Browse
	https://assets-fra.mkt.dynamics.com/b3baa109-6efd-ef11-b016-002248d9b9fa/digitalassets/standaloneforms/fe7058e5-a1fd-ef11-bae3-000d3a959714#_msdynmkt_donottrack=0,_msdynmkt_linkid=37db13e4-8bf7-4e91-a0fa-9dd02c9e6ee4	Get hash	malicious	HTMLPhisher	Browse
	https://0utl00k_secure_pdfsharing.wesendit.com/dl/9WeFG1R9WGJTbgaCO/a3Jpc3RhbC5wbGFpc3RlZEBzb2RleG8uY29t__;!!P5FZM7ryyeY!UznDjsW7gO6EJncqNmJhgeM1Zawk4R__aUyCoG6Jb-mYlr-79K2gn3tFm6bOpnkuKuN_n69fA8HZASZsr-9bQyk$	Get hash	malicious	Unknown	Browse
	https://0utl00k_secure_pdfsharing.wesendit.com/dl/9WeFG1R9WGJTbgaCO/a3Jpc3RhbC5wbGFpc3RlZEBzb2RleG8uY29t__;!!P5FZM7ryyeY!UznDjsW7gO6EJncqNmJhgeM1Zawk4R__aUyCoG6Jb-mYlr-79K2gn3tFm6bOpnkuKuN_n69fA8HZASZsr-9bQyk$	Get hash	malicious	Unknown	Browse
	PastePictures 1.xla	Get hash	malicious	Unknown	Browse
	Purchase Inquiry.xla.xlsx	Get hash	malicious	Unknown	Browse
	POETDB24-25771.xla.xlsx	Get hash	malicious	Unknown	Browse
	Purchase Inquiry.xla.xlsx	Get hash	malicious	Unknown	Browse
52.123.128.14	Nouvelle_commande9353834.xls	Get hash	malicious	Unknown	Browse
	Order_Mar25.xls	Get hash	malicious	Unknown	Browse
	Nouvelle_commande9353834.xls	Get hash	malicious	Unknown	Browse
	LinkedIn Message.eml	Get hash	malicious	Unknown	Browse
	EXTERNAL Olgoonik Development IT User Invitation.msg	Get hash	malicious	Unknown	Browse
	phish_alert_iocp_v1.4.48 - 2025-03-10T103931.828.eml	Get hash	malicious	Unknown	Browse
	phish_alert_sp2_2.0.0.0 (1).eml	Get hash	malicious	Unknown	Browse
	R.D. Bitzer Co., Inc.xlsm	Get hash	malicious	Unknown	Browse
	R.D. Bitzer Co., Inc.xlsm	Get hash	malicious	Unknown	Browse
	Fw Invitation for Eligibilitytrackingcalculators to Participate in Asset Growth.msg	Get hash	malicious	Unknown	Browse

Domains

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
s-0005.dual-s-msedge.net	.xls	Get hash	malicious	Unknown	Browse	52.123.128.14
	f468369488.exe	Get hash	malicious	Unknown	Browse	52.123.128.14
	1741618096-102373-7694-5517-2.eml	Get hash	malicious	Unknown	Browse	52.123.128.14
	COTA#U00c7#U00c3O.xls	Get hash	malicious	Unknown	Browse	52.123.129.14
	FW Sensitive - ADMINISTRATIVE LICENSE REVOCATION (ALR) HEARING REQUEST.msg	Get hash	malicious	Unknown	Browse	52.123.128.14
	Order_Mar25.xls	Get hash	malicious	Unknown	Browse	52.123.129.14
	COTA#U00c7#U00c3O.xls	Get hash	malicious	Unknown	Browse	52.123.129.14
	FW Sensitive - ADMINISTRATIVE LICENSE REVOCATION (ALR) HEARING REQUEST.msg	Get hash	malicious	Unknown	Browse	52.123.128.14
	Nouvelle_commande9353834.xls	Get hash	malicious	Unknown	Browse	52.123.129.14
	Order_Mar25.xls	Get hash	malicious	Unknown	Browse	52.123.128.14
s-part-0044.t-0009.fb-t-msedge.net	840.xls	Get hash	malicious	Unknown	Browse	13.107.253.72
	ATT09858.htm	Get hash	malicious	HTMLPhisher	Browse	13.107.253.72
	R.D. Bitzer Co. Inc.xlsm	Get hash	malicious	Unknown	Browse	13.107.253.72
	221036299-043825-sanlccjavap0004-6531.xls	Get hash	malicious	Unknown	Browse	13.107.253.72
	https://assets-fra.mkt.dynamics.com/b3baa109-6efd-ef11-b016-002248d9b9fa/digitalassets/standaloneforms/fe7058e5-a1fd-ef11-bae3-000d3a959714#_msdynmkt_donottrack=0,_msdynmkt_linkid=37db13e4-8bf7-4e91-a0fa-9dd02c9e6ee4	Get hash	malicious	HTMLPhisher	Browse	13.107.253.72
	https://0utl00k_secure_pdfsharing.wesendit.com/dl/9WeFG1R9WGJTbgaCO/a3Jpc3RhbC5wbGFpc3RlZEBzb2RleG8uY29t__;!!P5FZM7ryyeY!UznDjsW7gO6EJncqNmJhgeM1Zawk4R__aUyCoG6Jb-mYlr-79K2gn3tFm6bOpnkuKuN_n69fA8HZASZsr-9bQyk$	Get hash	malicious	Unknown	Browse	13.107.253.72
	https://0utl00k_secure_pdfsharing.wesendit.com/dl/9WeFG1R9WGJTbgaCO/a3Jpc3RhbC5wbGFpc3RlZEBzb2RleG8uY29t__;!!P5FZM7ryyeY!UznDjsW7gO6EJncqNmJhgeM1Zawk4R__aUyCoG6Jb-mYlr-79K2gn3tFm6bOpnkuKuN_n69fA8HZASZsr-9bQyk$	Get hash	malicious	Unknown	Browse	13.107.253.72
	PastePictures 1.xla	Get hash	malicious	Unknown	Browse	13.107.253.72
	Purchase Inquiry.xla.xlsx	Get hash	malicious	Unknown	Browse	13.107.253.72
	f1215469392.dll	Get hash	malicious	Unknown	Browse	13.107.253.72

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
MICROSOFT-CORP-MSN-AS-BLOCKUS	.xls	Get hash	malicious	Unknown	Browse	13.107.246.60
	cbr.ppc.elf	Get hash	malicious	Mirai	Browse	20.165.7.72
	cbr.arm7.elf	Get hash	malicious	Mirai	Browse	20.77.131.126
	cbr.x86.elf	Get hash	malicious	Mirai	Browse	104.42.23.140
	4lHZn6Ri2B.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	5Jo27lN4ib.exe	Get hash	malicious	FormBook	Browse	20.2.217.253
	f468369488.exe	Get hash	malicious	Unknown	Browse	40.126.35.144
	0xHPSESJcg.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	EEcYuuRdFy.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	3P5I851G78.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
MICROSOFT-CORP-MSN-AS-BLOCKUS	.xls	Get hash	malicious	Unknown	Browse	13.107.246.60
	cbr.ppc.elf	Get hash	malicious	Mirai	Browse	20.165.7.72
	cbr.arm7.elf	Get hash	malicious	Mirai	Browse	20.77.131.126
	cbr.x86.elf	Get hash	malicious	Mirai	Browse	104.42.23.140
	4lHZn6Ri2B.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	5Jo27lN4ib.exe	Get hash	malicious	FormBook	Browse	20.2.217.253
	f468369488.exe	Get hash	malicious	Unknown	Browse	40.126.35.144
	0xHPSESJcg.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	EEcYuuRdFy.exe	Get hash	malicious	FormBook	Browse	204.79.197.203
	3P5I851G78.exe	Get hash	malicious	FormBook	Browse	204.79.197.203

JA3 Fingerprints

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
a0e9f5d64349fb13191bc781f81f42e1	.xls	Get hash	malicious	Unknown	Browse	13.107.253.72
	https://ai.omeclk.com/portal/wts/ug%5Ecmsb8As6bbOewDczQAzqeq-sjswa	Get hash	malicious	CAPTCHA Scam ClickFix	Browse	13.107.253.72
	9Fat24-jfN6-5Skq7-T70.msi	Get hash	malicious	Unknown	Browse	13.107.253.72
	Loader.exe	Get hash	malicious	LummaC Stealer	Browse	13.107.253.72
	Nexora.exe	Get hash	malicious	Unknown	Browse	13.107.253.72
	Malware.zip	Get hash	malicious	LummaC Stealer	Browse	13.107.253.72
	Launcher.exe	Get hash	malicious	Unknown	Browse	13.107.253.72
	CryptocommSetup.msi	Get hash	malicious	BumbleBee	Browse	13.107.253.72
	COTA#U00c7#U00c3O.xls	Get hash	malicious	Unknown	Browse	13.107.253.72
	Order_Mar25.xls	Get hash	malicious	Unknown	Browse	13.107.253.72

Dropped Files

⊘No context

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report #U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Yara Signatures

Sigma Signatures

System Summary

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Compliance

Software Vulnerabilities

Networking

System Summary

Data Obfuscation

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

World Map of Contacted IPs

Public IPs

General Information

Warnings

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Windows Analysis Report
#U5f38#U5a5c#U6cec#U5ed7#U60d7#U603d#U60ea#U661e.xls