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Analysis Report 1c60a1e9_by_Libranalysis
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Detected unpacking (changes PE section rights)
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Powershell download and execute file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Yara detected AntiVM3
Yara detected FormBook
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Document exploit detected (process start blacklist hit)
Found suspicious RTF objects
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Microsoft Office creates scripting files
Modifies the context of a thread in another process (thread injection)
Office process drops PE file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: PowerShell DownloadFile
Suspicious powershell command line found
Tries to detect virtualization through RDTSC time measurements
Tries to download and execute files (via powershell)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Antivirus or Machine Learning detection for unpacked file
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
Enables debug privileges
Found inlined nop instructions (likely shell or obfuscated code)
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains sections with non-standard names
PE file contains strange resources
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Exploit for CVE-2017-0261
Sigma detected: Non Interactive PowerShell
Sigma detected: PowerShell Download from URL
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara signature match
Classification
Startup |
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Malware Configuration |
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Threatname: FormBook |
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{"C2 list": ["www.rogegalmish.com/a8si/"], "decoy": ["mosquitocontrolpro.com", "omfgphil.com", "qqkit.net", "compusolutionsac.com", "skynetaccess.com", "helmetmoto.com", "webdomoupravitel.com", "thepocket-onlinelesson.xyz", "stefaniehirsch.space", "goalsandballs.com", "xn--bro-ba-3ya.com", "tomrings.com", "4520oceanviewavenue.com", "mamaebemorientada.com", "shopwreathrails.com", "restaurantestancia.com", "annaquatics.info", "mnarchitect.design", "best-cleaner.com", "jobhuizhan.com", "check-info-bank.network", "boostcoachingonline.com", "basimogroup.com", "076fb5.com", "conansr.icu", "numbereightturquoise.com", "southernbrushworks.com", "home-inland.com", "irrpa.com", "ethereumdailypay.com", "betsysellsswfl.com", "cutebyconstance.website", "modelsnt.com", "medifilt.com", "tracisolomon.xyz", "dchaulingdisposal.com", "minchenhy.com", "smart4earth.com", "rackembilliards.com", "benschiller-coaching.com", "virtualroasters.com", "applewholesales.com", "thesidspot.com", "grechenblogs.com", "marshlandlogisticsservices.net", "covidokotoks.com", "mirabilla.com", "hunab.tech", "foreverjsdesigns.com", "heipacc.info", "simon-schilling.com", "shirleyeluiz.com", "juguetibicicollectors.com", "70shousemanchester.com", "tranthaolinh.net", "urbanpokebar.com", "madras-spice.com", "fulmardelta.net", "drisu-goalkeeping.com", "jiotest.com", "vitatiensa.com", "melbournebusinesslawyers.net", "rajehomes.com", "company-for-you.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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PowerShell_Susp_Parameter_Combo | Detects PowerShell invocation with suspicious parameters | Florian Roth |
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JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Click to see the 20 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 1 entries |
Sigma Overview |
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System Summary: |
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Sigma detected: Microsoft Office Product Spawning Windows Shell | Show sources |
Source: | Author: Michael Haag, Florian Roth, Markus Neis, Elastic, FPT.EagleEye Team: |
Sigma detected: PowerShell DownloadFile | Show sources |
Source: | Author: Florian Roth: |
Sigma detected: Exploit for CVE-2017-0261 | Show sources |
Source: | Author: Florian Roth: |
Sigma detected: Non Interactive PowerShell | Show sources |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Sigma detected: PowerShell Download from URL | Show sources |
Source: | Author: Florian Roth, oscd.community, Jonhnathan Ribeiro: |
Data Obfuscation: |
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Sigma detected: Powershell download and execute file | Show sources |
Source: | Author: Joe Security: |
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: | ReversingLabs: |
Yara detected FormBook | Show sources |
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Machine Learning detection for dropped file | Show sources |
Source: | Joe Sandbox ML: | ||
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Source: | File opened: | Jump to behavior |
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Source: | File opened: | Jump to behavior | ||
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Software Vulnerabilities: |
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Document exploit detected (creates forbidden files) | Show sources |
Source: | File created: | Jump to behavior | ||
Source: | File created: | Jump to behavior |
Document exploit detected (drops PE files) | Show sources |
Source: | File created: | Jump to dropped file |
Document exploit detected (process start blacklist hit) | Show sources |
Source: | Process created: |
Source: | Code function: | 10_2_001D1660 | |
Source: | Code function: | 10_2_001D1577 | |
Source: | Code function: | 10_2_001D16D8 | |
Source: | Code function: | 12_2_00406A9A | |
Source: | Code function: | 14_2_00086A9A |
Source: | DNS query: |
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: | ||
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Source: | Snort IDS: | ||
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Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: | ||
Source: | Snort IDS: |
C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Performs DNS queries to domains with low reputation | Show sources |
Source: | DNS query: |
Source: | HTTP traffic detected: |