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Windows Analysis Report
employee record_pdf.bat.exe

Overview

General Information

Sample name:	employee record_pdf.bat.exe
Analysis ID:	1632165
MD5:	d00a5d4d5c3e9d9b767608fcc6f7aded
SHA1:	3cb85f4f53c98a37636c3d0ece582d4f5abb9be0
SHA256:	f23bf9e69da8ae73fc237cd65ee954f30ac1f9f009915a50252d3085b47e71dd
Tags:	batexeRemcosRATuser-abuse_ch
Infos:

Detection

GuLoader

Score:	88
Range:	0 - 100
Confidence:	100%

Signatures

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Multi AV Scanner detection for submitted file

Yara detected GuLoader

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Switches to a custom stack to bypass stack traces

Tries to detect virtualization through RDTSC time measurements

Abnormal high CPU Usage

Contains functionality for read data from the clipboard

Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Contains functionality to dynamically determine API calls

Contains functionality to shutdown / reboot the system

Creates a process in suspended mode (likely to inject code)

Detected potential crypto function

Drops PE files

Found dropped PE file which has not been started or loaded

Found potential string decryption / allocating functions

IP address seen in connection with other malware

JA3 SSL client fingerprint seen in connection with other malware

May sleep (evasive loops) to hinder dynamic analysis

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

Sample file is different than original file name gathered from version info

Suricata IDS alerts with low severity for network traffic

Uses 32bit PE files

Uses a known web browser user agent for HTTP communication

Uses code obfuscation techniques (call, push, ret)

Classification

Process Tree

System is w10x64

employee record_pdf.bat.exe (PID: 6748 cmdline: "C:\Users\user\Desktop\employee record_pdf.bat.exe" MD5: D00A5D4D5C3E9D9B767608FCC6F7ADED)

employee record_pdf.bat.exe (PID: 2412 cmdline: "C:\Users\user\Desktop\employee record_pdf.bat.exe" MD5: D00A5D4D5C3E9D9B767608FCC6F7ADED)

cleanup

Malware Threat Intel

Provided by

Name	Description	Attribution	Blogpost URLs	Link
CloudEyE, GuLoader	CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored.	No Attribution	http://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/bluebottle-banks-targeted-africa https://0x00sec.org/t/analyzing-modern-malware-techniques-part-3/18943 https://any.run/cybersecurity-blog/deobfuscating-guloader/ https://asec.ahnlab.com/en/55978/ https://blog.checkpoint.com/security/march-2023s-most-wanted-malware-new-emotet-campaign-bypasses-microsoft-blocks-to-distribute-malicious-onenote-files/	https://malpedia.caad.fkie.fraunhofer.de/details/win.cloudeye

Yara Signatures

Memory Dumps

Source	Rule	Description	Author	Strings
00000008.00000002.2776663504.0000000003F98000.00000040.00000400.00020000.00000000.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security
00000000.00000002.1414307552.00000000097C8000.00000040.00001000.00020000.00000000.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security

Suricata Signatures

ETPRO MALWARE Common Downloader Header Pattern UHCa

Timestamp	SID	Severity	Classtype	Source IP	Source Port	Destination IP	Destination Port	Protocol
2025-03-07T20:20:28.458360+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49690	188.114.97.3	443	TCP
2025-03-07T20:20:41.450918+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49691	188.114.97.3	443	TCP
2025-03-07T20:20:54.194662+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49692	188.114.97.3	443	TCP
2025-03-07T20:21:07.370421+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49693	188.114.97.3	443	TCP
2025-03-07T20:21:19.594372+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49694	188.114.97.3	443	TCP
2025-03-07T20:21:32.152342+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49695	188.114.97.3	443	TCP
2025-03-07T20:21:45.052896+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49696	188.114.97.3	443	TCP
2025-03-07T20:21:57.964991+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49697	188.114.97.3	443	TCP
2025-03-07T20:22:10.611813+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49698	188.114.97.3	443	TCP
2025-03-07T20:22:23.180046+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49699	188.114.97.3	443	TCP
2025-03-07T20:22:35.539956+0100	2803270	2	Potentially Bad Traffic	192.168.2.8	49700	188.114.97.3	443	TCP

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: employee record_pdf.bat.exe

Avira: detected

Antivirus detection for URL or domain

Source: https://chneiu.icu/qZzaQfFD/epGfV132.binB	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binK6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binF	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/82&	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/neiu.icu/qZzaQfFD/epGfV132.binR	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.bino6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binnK6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binR6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binL6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binn	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binnR6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.binno6	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.bin	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/neiu.icu/qZzaQfFD/epGfV132.bin	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.bin3	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/5	Avira URL Cloud: Label: malware
Source: https://chneiu.icu/qZzaQfFD/epGfV132.bins	Avira URL Cloud: Label: malware

Multi AV Scanner detection for submitted file

Source: employee record_pdf.bat.exe	Virustotal: Detection: 62%			Perma Link
Source: employee record_pdf.bat.exe	ReversingLabs: Detection: 52%

Joe Sandbox ML detected suspicious sample

Source: Submited Sample

Integrated Neural Analysis Model: Matched 100.0% probability

Source: employee record_pdf.bat.exe

Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE

Source: unknown

HTTPS traffic detected: 188.114.97.3:443 -> 192.168.2.8:49690 version: TLS 1.2

Source: employee record_pdf.bat.exe

Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00405E7C FindFirstFileA,FindClose,	0_2_00405E7C
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00405438 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,LdrInitializeThunk,FindNextFileA,FindClose,	0_2_00405438
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00402645 FindFirstFileA,	0_2_00402645
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00402645 FindFirstFileA,	8_2_00402645
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00405E7C FindFirstFileA,FindClose,	8_2_00405E7C
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00405438 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,LdrInitializeThunk,FindNextFileA,FindClose,	8_2_00405438

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Printer Shortcuts	Jump to behavior

Source: Joe Sandbox View	IP Address: 188.114.97.3 188.114.97.3
Source: Joe Sandbox View	IP Address: 188.114.97.3 188.114.97.3

Source: Joe Sandbox View

JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19

Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49700 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49691 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49696 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49697 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49699 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49695 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49692 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49694 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49693 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49690 -> 188.114.97.3:443
Source: Network traffic	Suricata IDS: 2803270 - Severity 2 - ETPRO MALWARE Common Downloader Header Pattern UHCa : 192.168.2.8:49698 -> 188.114.97.3:443

Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache

Source: unknown

UDP traffic detected without corresponding DNS query: 1.1.1.1

Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache
Source: global traffic	HTTP traffic detected: GET /qZzaQfFD/epGfV132.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0Host: chneiu.icuCache-Control: no-cache

Source: global traffic

DNS traffic detected: DNS query: chneiu.icu

Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:20:28 GMTContent-Type: text/html; charset=utf-8Transfer-Encoding: chunkedConnection: closeServer: cloudflareCF-RAY: 91cc73488ec8cef1-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:20:41 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Rhkva6vRwfCYLJFhG7fHAaT6GhfaCgvzO5JDjcPS1cTz7se3VQamr1GgliNVbgc8afK5DqmNjSAaPN%2Fi%2BGnf3wH2a6mrBREFveaRSVlH7qOTqy9DA0AVDsdSAL7E"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc7399cb3d22ea-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:20:53 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=snYTLnrbf%2Bh1DEaZkcJ%2F0Q%2BEqDuZUYipV4LxmcZvg9im%2BWBTFwhA3%2F5wYKY4SIzasQUNyOBAUj%2BHPcR91qAhIlCRdxZ2yv%2BHNWj0gdCOD9cORFIa4TyGIBGEgTXf"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc73e9291ace60-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:21:07 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=QPA18j5hgsgqwEyCxms%2FIBcWSPJHrMXJPtCZVPsVcXQ6ZEPLg7QoEH2w%2FNqF8efn70cC8MYJeJ7NwR9af%2FVlz8wbqMPGjwrxjhLPn6aY1cFcBlpxNdFiybNINo9p"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc743bae57ed3c-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:21:19 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=AsoM0e55Me%2FPxoD5NhbXMKjK358kD92a5fzekIjJwQDia9OlzkX43kkGmPEtrQQFy1v91%2Fw%2BGMSsQF2Gg7r7gM8D7fwHHu9oKx5DYMAD3jQh0F9Y8Eg%2F7a%2F2H5b%2F"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc74883a74cf9b-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:21:31 GMTContent-Type: text/html; charset=utf-8Transfer-Encoding: chunkedConnection: closeServer: cloudflareCF-RAY: 91cc74d698d8fb28-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:21:44 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZvunwptWTXSP2yvJDLagQ8cSgOJW%2FkC%2FbYmVBi7h2xPeqfn%2FaX87X8Y9df4Ko2aM8O2nf97fZTsvI4WvXfTSHZcN7C2guktCOG0lAgXfvItZQVzSDM4zejIiPiQv"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc75273cdc26b0-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:21:57 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=iQ3bl8owIQ6CBJc6VeVB402TF5RPLcjN2%2FsbJYpctfRzis5w2qh5V1XsR3vBdakIWegh2nuuWmQ5luObXJR0ZaLaW4GI8XcdwsUL8WLvUFprivT745TMHUfauocV"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc7577dd3a176d-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:22:10 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=z21RIITY9SQSdrFtxot%2F28OX9ls7666HPP62l3tzgxAecScESpldN0RH1HHh0ci6zSZ%2Fnt1shMG%2B9KhaSGTQ2rcgMTqC8BXnLWPcQaqA8MKIAX8TcTMXKVWdl6FS"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc75c6e8b2ed3d-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:22:22 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=mSKLJ27X0o%2FgOtmqU5A22EAGjYBEThNh1FsuAKkN9l5Ypa9hQRPL1zq7eG9nqm%2F0LC7fMLpB%2B0mzG3F45anL0uV3hoyMPExJ7GUNQvEtTVuT4WexjLWZFXzQrl1g"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc76154ee79e68-SJC
Source: global traffic	HTTP traffic detected: HTTP/1.1 403 ForbiddenDate: Fri, 07 Mar 2025 19:22:35 GMTContent-Type: text/html; charset=UTF-8Transfer-Encoding: chunkedConnection: closeX-Frame-Options: SAMEORIGINReport-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=OvX7MFqgzHoAFXXqHi3BCdzD4%2BwPpBq1pgLgxCiS%2FG4M7MUgupR%2FerC3cRHx3l%2Bxkhhny16Cw7p%2FQUUJ8FtYso5%2BTlkVWlJOi7d4El%2FZ1J2pD36tiwfOK%2FZxD5Fu"}],"group":"cf-nel","max_age":604800}NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}Server: cloudflareCF-RAY: 91cc7662bd60faba-SJC

Source: employee record_pdf.bat.exe	String found in binary or memory: http://nsis.sf.net/NSIS_Error
Source: employee record_pdf.bat.exe	String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: employee record_pdf.bat.exe, 00000008.00000003.2100675939.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593756957.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/
Source: employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A43000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A43000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/5
Source: employee record_pdf.bat.exe, 00000008.00000003.1852744850.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1721057703.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780958190.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2485070890.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1720947412.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734376728.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852661877.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100787326.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100675939.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/82&
Source: employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A43000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A43000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/neiu.icu/qZzaQfFD/epGfV132.bin
Source: employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A43000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A43000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/neiu.icu/qZzaQfFD/epGfV132.binR
Source: employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A58000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100822549.0000000004A57000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852804129.0000000004A56000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A2E000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.bin
Source: employee record_pdf.bat.exe, 00000008.00000003.1593682750.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593756957.0000000004A77000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.bin3
Source: employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A2F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A2E000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binB
Source: employee record_pdf.bat.exe, 00000008.00000003.1852744850.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852661877.0000000004A77000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binF
Source: employee record_pdf.bat.exe, 00000008.00000003.1721057703.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593682750.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1720947412.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593756957.0000000004A77000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binK6
Source: employee record_pdf.bat.exe, 00000008.00000003.2358670756.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229682096.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2358763714.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780958190.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2485070890.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975199505.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975132131.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734376728.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100787326.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229776945.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100675939.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binL6
Source: employee record_pdf.bat.exe, 00000008.00000003.1975199505.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975132131.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100787326.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100675939.0000000004A76000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binR6
Source: employee record_pdf.bat.exe, 00000008.00000003.2358670756.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852744850.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229682096.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2358763714.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1721057703.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780958190.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2485070890.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975199505.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975132131.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1720947412.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734376728.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852661877.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100787326.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229776945.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100675939.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binn
Source: employee record_pdf.bat.exe, 00000008.00000003.2229682096.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229776945.0000000004A75000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binnK6
Source: employee record_pdf.bat.exe, 00000008.00000003.2358670756.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2358763714.0000000004A75000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binnR6
Source: employee record_pdf.bat.exe, 00000008.00000002.2780958190.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734376728.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.binno6
Source: employee record_pdf.bat.exe, 00000008.00000003.2358670756.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852744850.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229682096.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2358763714.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1721057703.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593682750.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2485070890.0000000004A76000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1720947412.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852661877.0000000004A77000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229776945.0000000004A75000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1593756957.0000000004A77000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.bino6
Source: employee record_pdf.bat.exe, 00000008.00000002.2780958190.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734376728.0000000004A6F000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://chneiu.icu/qZzaQfFD/epGfV132.bins
Source: employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229812517.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975233074.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1852661877.0000000004A68000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2358670756.0000000004A68000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2781213520.0000000006630000.00000004.00000800.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100822549.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2610706283.0000000004A68000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1720947412.0000000004A68000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2485070890.0000000004A68000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://www.cloudflare.com/5xx-error-landing
Source: employee record_pdf.bat.exe, 00000008.00000003.1852804129.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975233074.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2781213520.0000000006630000.00000004.00000800.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100822549.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp	String found in binary or memory: https://www.cloudflare.com/learning/access-management/phishing-attack/

Source: unknown	Network traffic detected: HTTP traffic on port 49698 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49700
Source: unknown	Network traffic detected: HTTP traffic on port 49699 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49699
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49698
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49697
Source: unknown	Network traffic detected: HTTP traffic on port 49695 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49696
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49695
Source: unknown	Network traffic detected: HTTP traffic on port 49694 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49694
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49693
Source: unknown	Network traffic detected: HTTP traffic on port 49696 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49697 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49692
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49691
Source: unknown	Network traffic detected: HTTP traffic on port 49692 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49693 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49690
Source: unknown	Network traffic detected: HTTP traffic on port 49691 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49690 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 49700 -> 443

Source: unknown

HTTPS traffic detected: 188.114.97.3:443 -> 192.168.2.8:49690 version: TLS 1.2

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00404FA1 GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,LdrInitializeThunk,GetClientRect,GetSystemMetrics,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,ShowWindow,LdrInitializeThunk,ShowWindow,GetDlgItem,SendMessageA,SendMessageA,SendMessageA,GetDlgItem,CreateThread,CloseHandle,ShowWindow,LdrInitializeThunk,ShowWindow,LdrInitializeThunk,LdrInitializeThunk,ShowWindow,LdrInitializeThunk,SendMessageA,CreatePopupMenu,LdrInitializeThunk,AppendMenuA,GetWindowRect,LdrInitializeThunk,TrackPopupMenu,SendMessageA,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageA,GlobalUnlock,LdrInitializeThunk,SetClipboardData,CloseClipboard,

0_2_00404FA1

System Summary

Initial sample is a PE file and has a suspicious name

Source: initial sample

Static PE information: Filename: employee record_pdf.bat.exe

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Process Stats: CPU usage > 49%

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_004030B6 EntryPoint,#17,SetErrorMode,OleInitialize,LdrInitializeThunk,SHGetFileInfoA,GetCommandLineA,GetModuleHandleA,CharNextA,LdrInitializeThunk,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcmpiA,CreateDirectoryA,SetCurrentDirectoryA,DeleteFileA,LdrInitializeThunk,CopyFileA,CloseHandle,LdrInitializeThunk,LdrInitializeThunk,GetCurrentProcess,ExitWindowsEx,ExitProcess,		0_2_004030B6
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_004030B6 EntryPoint,#17,SetErrorMode,OleInitialize,LdrInitializeThunk,SHGetFileInfoA,GetCommandLineA,GetModuleHandleA,CharNextA,LdrInitializeThunk,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcmpiA,CreateDirectoryA,SetCurrentDirectoryA,DeleteFileA,LdrInitializeThunk,CopyFileA,CloseHandle,LdrInitializeThunk,LdrInitializeThunk,GetCurrentProcess,ExitWindowsEx,ExitProcess,		8_2_004030B6

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00406152	0_2_00406152
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_004047E0	0_2_004047E0
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00406152	8_2_00406152
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_004047E0	8_2_004047E0

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: String function: 004029FD appears 47 times

Source: employee record_pdf.bat.exe, 00000000.00000000.913538455.0000000000447000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenamesemicollegiate.exeH vs employee record_pdf.bat.exe
Source: employee record_pdf.bat.exe, 00000008.00000002.2776566664.0000000000447000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenamesemicollegiate.exeH vs employee record_pdf.bat.exe
Source: employee record_pdf.bat.exe	Binary or memory string: OriginalFilenamesemicollegiate.exeH vs employee record_pdf.bat.exe

Source: employee record_pdf.bat.exe

Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE

Source: classification engine

Classification label: mal88.troj.evad.winEXE@3/17@1/1

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_004042B1 GetDlgItem,SetWindowTextA,LdrInitializeThunk,LdrInitializeThunk,LdrInitializeThunk,LdrInitializeThunk,SHBrowseForFolderA,CoTaskMemFree,lstrcmpiA,lstrcatA,SetDlgItemTextA,GetDiskFreeSpaceA,MulDiv,LdrInitializeThunk,SetDlgItemTextA,

0_2_004042B1

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00402036 LdrInitializeThunk,LdrInitializeThunk,CoCreateInstance,MultiByteToWideChar,LdrInitializeThunk,LdrInitializeThunk,LdrInitializeThunk,

0_2_00402036

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File created: C:\Users\user\AppData\Local\Songy

Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File created: C:\Users\user\AppData\Local\Temp\nst8895.tmp

Jump to behavior

Source: employee record_pdf.bat.exe

Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File read: C:\Users\desktop.ini

Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: employee record_pdf.bat.exe	Virustotal: Detection: 62%
Source: employee record_pdf.bat.exe	ReversingLabs: Detection: 52%

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File read: C:\Users\user\Desktop\employee record_pdf.bat.exe

Jump to behavior

Source: unknown	Process created: C:\Users\user\Desktop\employee record_pdf.bat.exe "C:\Users\user\Desktop\employee record_pdf.bat.exe"
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Process created: C:\Users\user\Desktop\employee record_pdf.bat.exe "C:\Users\user\Desktop\employee record_pdf.bat.exe"
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Process created: C:\Users\user\Desktop\employee record_pdf.bat.exe "C:\Users\user\Desktop\employee record_pdf.bat.exe"	Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: apphelp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: version.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: uxtheme.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: shfolder.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: windows.storage.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wldp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: propsys.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: riched20.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: usp10.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: msls31.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: textinputframework.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: coreuicomponents.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: coremessaging.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: ntmarta.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wintypes.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wintypes.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wintypes.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: textshaping.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: profapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: version.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wininet.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: iertutil.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: sspicli.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: windows.storage.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: wldp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: profapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: ondemandconnroutehelper.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: winhttp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: mswsock.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: iphlpapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: winnsi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: urlmon.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: srvcli.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: netutils.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: dnsapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: rasadhlp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: fwpuclnt.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: schannel.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: mskeyprotect.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: ntasn1.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: msasn1.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: dpapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: cryptsp.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: rsaenh.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: cryptbase.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: gpapi.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: ncrypt.dll	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Section loaded: ncryptsslp.dll	Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f486a52-3cb1-48fd-8f50-b8dc300d9f9d}\InProcServer32

Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File written: C:\Users\user\AppData\Local\Songy\filmdebut\Preciouses.ini

Jump to behavior

Source: employee record_pdf.bat.exe

Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation

Yara detected GuLoader

Source: Yara match	File source: 00000008.00000002.2776663504.0000000003F98000.00000040.00000400.00020000.00000000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.1414307552.00000000097C8000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00405EA3 GetModuleHandleA,LoadLibraryA,GetProcAddress,

0_2_00405EA3

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_10002D30 push eax; ret

0_2_10002D5E

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

File created: C:\Users\user\AppData\Local\Temp\nsy942F.tmp\System.dll

Jump to dropped file

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Malware Analysis System Evasion

Switches to a custom stack to bypass stack traces

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	API/Special instruction interceptor: Address: 9A35E09
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	API/Special instruction interceptor: Address: 4205E09

Tries to detect virtualization through RDTSC time measurements

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	RDTSC instruction interceptor: First address: 99FBD66 second address: 99FBD66 instructions: 0x00000000 rdtsc 0x00000002 cmp ebx, ecx 0x00000004 jc 00007F3A88D75CC8h 0x00000006 test al, dl 0x00000008 inc ebp 0x00000009 inc ebx 0x0000000a rdtsc
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	RDTSC instruction interceptor: First address: 41CBD66 second address: 41CBD66 instructions: 0x00000000 rdtsc 0x00000002 cmp ebx, ecx 0x00000004 jc 00007F3A88EC6218h 0x00000006 test al, dl 0x00000008 inc ebp 0x00000009 inc ebx 0x0000000a rdtsc

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\nsy942F.tmp\System.dll

Jump to dropped file

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe TID: 5620

Thread sleep time: -30000s >= -30000s

Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Last function: Thread delayed

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00405E7C FindFirstFileA,FindClose,	0_2_00405E7C
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00405438 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,LdrInitializeThunk,FindNextFileA,FindClose,	0_2_00405438
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 0_2_00402645 FindFirstFileA,	0_2_00402645
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00402645 FindFirstFileA,	8_2_00402645
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00405E7C FindFirstFileA,FindClose,	8_2_00405E7C
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	Code function: 8_2_00405438 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,LdrInitializeThunk,FindNextFileA,FindClose,	8_2_00405438

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft	Jump to behavior
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Printer Shortcuts	Jump to behavior

Source: employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A2F000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A2E000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Hyper-V RAW 5
Source: employee record_pdf.bat.exe, 00000008.00000003.1852804129.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2734467600.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2229812517.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.1975233074.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000002.2780876766.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp, employee record_pdf.bat.exe, 00000008.00000003.2100822549.0000000004A5E000.00000004.00000020.00020000.00000000.sdmp	Binary or memory string: Hyper-V RAW

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	API call chain: ExitProcess graph end node			graph_0-4691
Source: C:\Users\user\Desktop\employee record_pdf.bat.exe	API call chain: ExitProcess graph end node			graph_0-4685

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00402E62 LdrInitializeThunk,GetTickCount,GetTickCount,LdrInitializeThunk,MulDiv,wsprintfA,WriteFile,LdrInitializeThunk,LdrInitializeThunk,LdrInitializeThunk,WriteFile,

0_2_00402E62

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00405EA3 GetModuleHandleA,LoadLibraryA,GetProcAddress,

0_2_00405EA3

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Process created: C:\Users\user\Desktop\employee record_pdf.bat.exe "C:\Users\user\Desktop\employee record_pdf.bat.exe"

Jump to behavior

Source: C:\Users\user\Desktop\employee record_pdf.bat.exe

Code function: 0_2_00405B9A GetVersion,LdrInitializeThunk,GetSystemDirectoryA,GetWindowsDirectoryA,SHGetSpecialFolderLocation,SHGetPathFromIDListA,CoTaskMemFree,lstrcatA,lstrlenA,

0_2_00405B9A

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	Acquire Infrastructure	Valid Accounts	1 Native API	1 DLL Side-Loading	11 Process Injection	1 Masquerading	OS Credential Dumping	21 Security Software Discovery	Remote Services	1 Archive Collected Data	11 Encrypted Channel	Exfiltration Over Other Network Medium	1 System Shutdown/Reboot
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	1 DLL Side-Loading	1 Virtualization/Sandbox Evasion	LSASS Memory	1 Virtualization/Sandbox Evasion	Remote Desktop Protocol	1 Clipboard Data	3 Ingress Tool Transfer	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	11 Process Injection	Security Account Manager	4 File and Directory Discovery	SMB/Windows Admin Shares	Data from Network Shared Drive	3 Non-Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	1 Deobfuscate/Decode Files or Information	NTDS	23 System Information Discovery	Distributed Component Object Model	Input Capture	14 Application Layer Protocol	Traffic Duplication	Data Destruction
Gather Victim Network Information	Server	Cloud Accounts	Launchd	Network Logon Script	Network Logon Script	2 Obfuscated Files or Information	LSA Secrets	Internet Connection Discovery	SSH	Keylogging	Fallback Channels	Scheduled Transfer	Data Encrypted for Impact
Domain Properties	Botnet	Replication Through Removable Media	Scheduled Task	RC Scripts	RC Scripts	1 DLL Side-Loading	Cached Domain Credentials	Wi-Fi Discovery	VNC	GUI Input Capture	Multiband Communication	Data Transfer Size Limits	Service Stop

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

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Warning!

Windows Analysis Report
employee record_pdf.bat.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Threat Intel

Malware Configuration

Yara Signatures

Memory Dumps

Sigma Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Compliance

Spreading

Networking

Key, Mouse, Clipboard, Microphone and Screen Capturing

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Language, Device and Operating System Detection

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report employee record_pdf.bat.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Threat Intel

Malware Configuration

Yara Signatures

Memory Dumps

Sigma Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Compliance

Spreading

Networking

Key, Mouse, Clipboard, Microphone and Screen Capturing

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Language, Device and Operating System Detection

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Windows Analysis Report
employee record_pdf.bat.exe