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Windows Analysis Report 3nkW4MtwSD
Overview
General Information
Detection
FormBook
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
Yara detected FormBook
Malicious sample detected (through community Yara rule)
Yara detected AntiVM3
Antivirus / Scanner detection for submitted sample
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Sigma detected: Execution from Suspicious Folder
Office equation editor drops PE file
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
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
PE file contains executable resources (Code or Archives)
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)
Enables debug privileges
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
Drops PE files to the user directory
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.cuteprofessionalscrubs.com/9gr5/"], "decoy": ["newleafcosmetix.com", "richermanscastle.com", "ru-remonton.com", "2diandongche.com", "federaldados.design", "jeffreycookweb.com", "facecs.online", "xmeclarn.xyz", "olgasmith.xyz", "sneakersonlinesale.com", "playboyshiba.com", "angelamiglioli.com", "diitaldefynd.com", "whenevergames.com", "mtheartcustom.com", "vitalactivesupply.com", "twistblogr.com", "xn--i8s140at3d6u7c.tel", "baudelaireelhakim.com", "real-estate-miami-searcher.site", "131122.xyz", "meta-medial.com", "carvanaworkers.com", "mimamincloor.com", "aglutinarteshop.com", "portal-arch.com", "mandeide.com", "golfteesy.com", "carteretcancer.center", "cuansamping.com", "jhhnet.com", "oetthalr.xyz", "toesonly.com", "ctbizmag.com", "searchonzippy.com", "plantedapts.com", "matoneg.online", "takened.xyz", "meta4.life", "africanizedfund.com", "jukeboxjason.com", "folez.online", "troddu.com", "802135.com", "guiamat.net", "gladiasol.com", "meditationandyogacentre.com", "metaverserealestateagent.com", "boogyverse.net", "melissa-mochafest.com", "cozsweeps.com", "pickles-child.com", "metaversemediaschool.com", "ahfyfz.com", "ses-coating.com", "pozada.biz", "loldollmagic.com", "mountfrenchlodge.net", "25680125.xyz", "inusuklearning.com", "dnteagcud.xyz", "yupan.site", "acloud123.xyz", "asadosdonchorizo.com"]}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
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_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
Click to see the 31 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 16 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: Execution from Suspicious Folder | Show sources |
Source: | Author: Florian Roth: |
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 |
Yara detected FormBook | Show sources |
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Antivirus / Scanner detection for submitted sample | Show sources |
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Antivirus detection for dropped file | Show sources |
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Exploits: |
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Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) | Show sources |
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Networking: |
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System process connects to network (likely due to code injection or exploit) | Show sources |
Source: | Domain query: | ||
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C2 URLs / IPs found in malware configuration | Show sources |
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