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Windows Analysis Report PO789.doc
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Sigma detected: EQNEDT32.EXE connecting to internet
Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
Yara detected AntiVM3
Sigma detected: Droppers Exploiting CVE-2017-11882
System process connects to network (likely due to code injection or exploit)
Sigma detected: File Dropped By EQNEDT32EXE
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
Maps a DLL or memory area into another process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Office equation editor drops PE file
Queues an APC in another process (thread injection)
.NET source code contains very large strings
Tries to detect virtualization through RDTSC time measurements
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
Document has an unknown application name
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Potential document exploit detected (performs DNS queries)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Downloads executable code via HTTP
Contains functionality for execution timing, often used to detect debuggers
Document misses a certain OLE stream usually present in this Microsoft Office document type
Contains long sleeps (>= 3 min)
Document contains Microsoft Equation 3.0 OLE entries
Enables debug privileges
Document contains no OLE stream with summary information
Found inlined nop instructions (likely shell or obfuscated code)
Potential document exploit detected (unknown TCP traffic)
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
Checks if the current process is being debugged
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 to access loader functionality (e.g. LdrGetProcedureAddress)
Classification
Process Tree |
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Malware Configuration |
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Threatname: FormBook |
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{"C2 list": ["www.carbonfiber.cloud/md4m/"], "decoy": ["thegreenroomak.net", "boxingforfitness.info", "hynejubelured.com", "elektrocentralybenza.online", "getinteriorsolution.com", "ajctrade.ltd", "boytoyporn.com", "charlotteetlachocolaterie.fr", "martens-suomi.com", "colesfax.com", "laksmanawarehouse.com", "extraordinarymiracle.com", "hunttools.info", "ofertasdesuvsinfosmex.com", "banphimipad.com", "jingjiguanchabao.com", "keepourassets.com", "haveitmore.com", "bleuredmedia.com", "hsgerontech.com", "mms05.xyz", "994671.com", "xsbjbj.com", "syxinyu.com", "costnergroups.com", "muzicalbox.com", "kkstudy.net", "picguru.pro", "avtokitai.store", "artplay.xyz", "4-sidedirect.com", "wa1315.xyz", "pelicancrs.com", "cozastore.net", "maatia.com", "movistar.money", "clickprintus.com", "oblatz.com", "mood-room.com", "erisibu85.com", "bzhjxf.com", "mdcomfortukraine.store", "timo-music.com", "vinovai.xyz", "danielkcarter.store", "segurodevidacovid.com", "somoslaostra.com", "businessis.business", "wholisticard.com", "dummydomain234543.com", "realstakepool.com", "rs23.club", "emobilemarket.com", "mabsfuse.com", "lastra41.com", "safbilgi.com", "prestigiousuniforms.com", "outerverse.space", "formuladushi.online", "yt3013.xyz", "therestaurant.menu", "lentellas.com", "rutube.cloud", "mywhitelotus.com"]}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
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Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
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JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
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Click to see the 30 entries |
Unpacked PEs |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
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Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
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JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
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Click to see the 6 entries |
Sigma Overview |
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Exploits: |
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Sigma detected: EQNEDT32.EXE connecting to internet | Show sources |
Source: | Author: Joe Security: |
Sigma detected: File Dropped By EQNEDT32EXE | Show sources |
Source: | Author: Joe Security: |
System Summary: |
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Sigma detected: Droppers Exploiting CVE-2017-11882 | Show sources |
Source: | Author: Florian Roth: |
Sigma detected: Possible Applocker Bypass | Show sources |
Source: | Author: juju4: |
Jbx Signature Overview |
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Click to jump to signature section
Show All Signature Results
AV Detection: |
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Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Yara detected FormBook | Show sources |
Source: | File source: | ||
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Antivirus detection for URL or domain | Show sources |
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: |
Multi AV Scanner detection for domain / URL | Show sources |
Source: | Virustotal: | Perma Link |
Antivirus detection for dropped file | Show sources |
Source: | Avira: |
Multi AV Scanner detection for dropped file | Show sources |
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: | |||
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Machine Learning detection for dropped file | Show sources |
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: |
Source: | Avira: | ||
Source: | Avira: | ||
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Exploits: |
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Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) | Show sources |
Source: | Process created: | ||
Source: | Process created: |
Source: | Stream path '_1703602930/\x1CompObj' : |
Source: | Process created: |
Source: | File opened: |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | DNS query: |
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Source: | Code function: |
Source: | TCP traffic: |
Source: | TCP traffic: |
Networking: |
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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) | Show sources |
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: |
System process connects to network (likely due to code injection or exploit) | Show sources |
Source: | Domain query: | ||
Source: | Network Connect: | ||
Source: | Network Connect: | ||
Source: | Domain query: | ||
Source: | Domain query: | ||
Source: | Network Connect: | ||
Source: | Network Connect: | ||
Source: | Domain query: |
C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | ASN Name: | ||
Source: | ASN Name: |
Source: | HTTP traffic detected: | ||
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Source: | HTTP traffic detected: |
Source: | IP Address: |
Source: | HTTP traffic detected: |