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Windows
Analysis Report
New order.xlsx
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)
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
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
Maps a DLL or memory area into another process
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Modifies the prolog of user mode functions (user mode inline hooks)
Injects a PE file into a foreign processes
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Shellcode detected
Office equation editor drops PE file
Queues an APC in another process (thread injection)
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
Office equation editor establishes network connection
Drops PE files to the user root directory
Yara signature match
Antivirus or Machine Learning detection for unpacked file
Contains functionality to check if a debugger is running (IsDebuggerPresent)
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Found evasive API chain (may stop execution after checking a module file name)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to call native functions
Potential document exploit detected (performs DNS queries)
HTTP GET or POST without a user agent
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Downloads executable code via HTTP
Contains functionality for execution timing, often used to detect debuggers
Enables debug privileges
Found inlined nop instructions (likely shell or obfuscated code)
Potential document exploit detected (unknown TCP traffic)
Extensive use of GetProcAddress (often used to hide API calls)
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Contains functionality to download and execute PE files
Office Equation Editor has been started
Contains functionality to download and launch executables
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)
Contains functionality for read data from the clipboard
Classification
- System is w7x64
- EXCEL.EXE (PID: 1488 cmdline:
"C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3)
- EQNEDT32.EXE (PID: 1484 cmdline:
"C:\Progra m Files\Co mmon Files \Microsoft Shared\EQ UATION\EQN EDT32.EXE" -Embeddin g MD5: A87236E214F6D42A65F5DEDAC816AEC8) - vbc.exe (PID: 1788 cmdline:
"C:\Users\ Public\vbc .exe" MD5: 69250F55FBFE48822C838B4EEAF33A0A) - fdvucso.exe (PID: 2604 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\fdvucso .exe C:\Us ers\user\A ppData\Loc al\Temp\wq qynoeqp MD5: 8CA00DF697FFA200C6CA558754C49F37) - fdvucso.exe (PID: 2324 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\fdvucso .exe C:\Us ers\user\A ppData\Loc al\Temp\wq qynoeqp MD5: 8CA00DF697FFA200C6CA558754C49F37) - explorer.exe (PID: 1860 cmdline:
C:\Windows \Explorer. EXE MD5: 38AE1B3C38FAEF56FE4907922F0385BA) - svchost.exe (PID: 736 cmdline:
C:\Windows \SysWOW64\ svchost.ex e MD5: 54A47F6B5E09A77E61649109C6A08866) - cmd.exe (PID: 568 cmdline:
/c del "C: \Users\use r\AppData\ Local\Temp \fdvucso.e xe" MD5: AD7B9C14083B52BC532FBA5948342B98)
- cleanup
{"C2 list": ["www.worklifefirewalls.com/m9y5/"], "decoy": ["cryptocurrenciesmarketcaps.com", "legaslktiy3.xyz", "cardhj.com", "zouoolaa.xyz", "yjy888.com", "modernboatsalesnadservice.xyz", "zeirishiyamasaki.com", "jamesture.com", "wwwcharleys.com", "walletsw.com", "mbbpaymentplan.com", "lume24.com", "steelonsite.com", "digihm.solutions", "desertunicorns.com", "marbepay.com", "vvv678.com", "73154.xyz", "qzbozhijy.com", "daometalaunch.com", "asproclub.com", "jobeta.net", "whusab.xyz", "delivery-074812.xyz", "magicportriat.com", "floridacommercialprinting.com", "jogodobicho.top", "acessesiteonline01.online", "lakrkajz.xyz", "medicalmassageofpalmbeaches.com", "trendylifeco.com", "upliftpropertysolutions.com", "discountbestdeals.com", "antoniolorenzo.com", "etheteroad.com", "atukr.icu", "xinli-ac.com", "hhydlxs.com", "megabandar.xyz", "olyards.com", "likeama.com", "homes.equipment", "rscall.center", "mayonline.online", "trq-advisors.com", "growyourown.center", "citzensinfo.com", "modernerkredit.com", "chitbucket.com", "kookpedal.com", "tatahotsauce.com", "steadywoman.com", "rfpconsultants.xyz", "insurancecentral.info", "appalachianfamilies.com", "boywhocode.xyz", "a-superb-us-retro-clothes.fyi", "meandmsjones.online", "pastoreemilio.com", "emprendemente.online", "erminelair.com", "doudou-ssr.net", "credit.cool", "dgengcase.com"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
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 |
| |
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 |
| |
Click to see the 28 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
APT_NK_Methodology_Artificial_UserAgent_IE_Win7 | Detects hard-coded User-Agent string that has been present in several APT37 malware families. | Steve Miller aka @stvemillertime |
| |
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 |
| |
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
APT_NK_Methodology_Artificial_UserAgent_IE_Win7 | Detects hard-coded User-Agent string that has been present in several APT37 malware families. | Steve Miller aka @stvemillertime |
| |
Click to see the 20 entries |
Exploits |
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⊘No Snort rule has matched
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