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Analysis Report orden pdf.exe
Overview
General Information
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Benign windows process drops PE files
Detected FormBook malware
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Yara detected FormBook
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Antivirus or Machine Learning detection for unpacked file
Checks if the current process is being debugged
Contains capabilities to detect virtual machines
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected potential crypto function
Drops PE files
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found WSH timer for Javascript or VBS script (likely evasive script)
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
Installs a raw input device (often for capturing keystrokes)
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
OS version to string mapping found (often used in BOTs)
PE file contains an invalid checksum
PE file contains strange resources
Potential key logger detected (key state polling based)
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Stores files to the Windows start menu directory
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
Startup |
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Malware Configuration |
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Threatname: FormBook |
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{"Config: ": ["CONFIG_PATTERNS 0x998f", "KEY1_OFFSET 0x1db82", "CONFIG SIZE : 0xcd", "CONFIG OFFSET 0x1dc80", "URL SIZE : 26", "searching string pattern", "strings_offset 0x1c7b3", "searching hashes pattern", "--------------------------------------------------", "Decrypted Function Hashes", "--------------------------------------------------", "0xcc1048c5", "0xf43668a6", "0x980476e5", "0x35a6d50c", "0xf89290dc", "0x94261f57", "0x7d54c891", "0x47cb721", "0xf72d70b3", "0x9f715020", "0xbf0a5e41", "0x2902d074", "0xf653b199", "0xc8c42cc6", "0x2e1b7599", "0x210d4d07", "0x6d2a7921", "0x8ea85a2f", "0x207c50ff", "0xb967410a", "0x1eb17415", "0xb46802f8", "0x11da8518", "0xf42ed5c", "0x2885a3d3", "0x445675fa", "0x5c289b4c", "0x40ede5aa", "0xf24946a2", "0x8559c3e2", "0xb9d34d23", "0xa14d0a19", "0x2d07bbe2", "0xbbd1d68c", "0xb28c29d4", "0x3911edeb", "0xefad046d", "0xa0605497", "0xf5529cbf", "0x5507576a", "0xfa2467c8", "0x5b6423bf", "0xe22409b9", "0xde1eba2", "0xae847e2", "0xa8cfcc9", "0x26fc2c69", "0x5d8a75ac", "0x22eb3474", "0x2b37c918", "0x79402007", "0x7544791c", "0x641b2c94", "0x1db04ecf", "0xf5d02cd8", "0xad0122d4", "0x6206e716", "0x5e4b9b9a", "0xe4e2f5f4", "0x54c93159", "0x25ea79b", "0x5bf29119", "0xd6507db", "0x32ffc9f8", "0xe4cfab72", "0x98db5380", "0xce4cc542", "0x3092a0a2", "0x66053660", "0x2607a133", "0xfcd01445", "0x80b41d4", "0x4102ad8d", "0x857bf6a6", "0xd3ec6064", "0x23145fc4", "0xc026698f", "0x8f5385d8", "0x2430512b", "0x3ebe9086", "0x4c6fddb5", "0x276db13e", "0xe00f0a8e", "0x85cf9404", "0xb2248784", "0xcdc7e023", "0x11f5f50", "0x1dd4bc1c", "0x8235fce2", "0x21b17672", "0xbba64d93", "0x2f0ee0d8", "0x9cb95240", "0x28c21e3f", "0x9347ac57", "0x9d9522dc", "0x911bc70e", "0x74443db9", "0xf04c1aa9", "0x6484bcb5", "0x11fc2f72", "0x2b44324f", "0x9d70beea", "0x59adf952", "0x172ac7b4", "0x5d4b4e66", "0xed297eae", "0xa88492a6", "0xb21b057c", "0x70f35767", "0xb6f4d5a8", "0x67cea859", "0xc1626bff", "0xb4e1ae2", "0x24a48dcf", "0xe11da208", "0x1c920818", "0x65f4449c", "0xc30bc050", "0x3e86e1fb", "0x9e01fc32", "0x216500c2", "0x48e207c9", "0x2decf13e", "0x19996921", "0xb7da3dd7", "0x47f39d2b", "0x6777e2de", "0xd980e37f", "0x963fea3b", "0xacddb7ea", "0x110aec35", "0x647331f3", "0x2e381da4", "0x50f66474", "0xec16e0c0", "0xf9d81a42", "0xd6c6f9db", "0xef3df91", "0x60e0e203", "0x7c81caaf", "0x71c2ec76", "0x25e431cc", "0x106f568f", "0x6a60c8a9", "0xb758aab3", "0x3b34de90", "0x700420f5", "0xee359a7e", "0xd1d808a", "0x47ba47a5", "0xff959c4c", "0x5d30a87d", "0xaa95a900", "0x80b19064", "0x9c5a481a", "0x1dd252d", "0xdb3055fc", "0xe0cf8bf1", "0x3a48eabc", "0xf0472f97", "0x4a6323de", "0x4260edca", "0x53f7fb4f", "0x3d2e9c99", "0xf6879235", "0xe6723cac", "0xe184dfaa", "0xe99ffaa0", "0xf6aebe25", "0xefadf9a5", "0x215de938", "0x757906aa", "0x84f8d766", "0xb6494f65", "0x13a75318", "0x5bde5587", "0xe9eba2a4", "0x6b8a0df3", "0x9c02f250", "0xe52a2a2e", "0xdb96173c", "0x3c0f2fc", "0xd45e157c", "0x4edd1210", "0x2b127ce0", "0xadc887b6", "0xf45a1c52", "0xc84869d7", "0x36dc1f04", "0x50c2a508", "0x3e88e8bf", "0x4b6374a6", "0x72a93198", "0x85426977", "0xea193e11", "0xea653007", "0xe297c9c", "0x65399e87", "0x23609e75", "0xb92e8a5a", "0xabc89476", "0xd989572f", "0x4536ab86", "0x3476afc1", "0xaf24a63b", "0x393b9ac8", "0x414a3c70", "0x487e77f4", "0xbee1bdf6", "0xc30c49a6", "0xcb591d7f", "0x5c4ee455", "0x7c81c71d", "0x11c6f95e", "--------------------------------------------------", "Decrypted Strings", "--------------------------------------------------", "USERNAME", "LOCALAPPDATA", "USERPROFILE", "APPDATA", "TEMP", "ProgramFiles", "CommonProgramFiles", "ALLUSERSPROFILE", "/c copy \"", "/c del \"", "\\Run", "\\Policies", "\\Explorer", "\\Registry\\User", "\\Registry\\Machine", "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion", "Office\\15.0\\Outlook\\Profiles\\Outlook\\", " NT\\CurrentVersion\\Windows Messaging Subsystem\\Profiles\\Outlook\\", "\\SOFTWARE\\Mozilla\\Mozilla ", "\\Mozilla", "Username: ", "Password: ", "formSubmitURL", "usernameField", "encryptedUsername", "encryptedPassword", "\\logins.json", "\\signons.sqlite", "\\Microsoft\\Vault\\", "SELECT encryptedUsername, encryptedPassword, formSubmitURL FROM moz_logins", "\\Google\\Chrome\\User Data\\Default\\Login Data", "SELECT origin_url, username_value, password_value FROM logins", ".exe", ".com", ".scr", ".pif", ".cmd", ".bat", "ms", "win", "gdi", "mfc", "vga", "igfx", "user", "help", "config", "update", "regsvc", "chkdsk", "systray", "audiodg", "certmgr", "autochk", "taskhost", "colorcpl", "services", "IconCache", "ThumbCache", "Cookies", "SeDebugPrivilege", "SeShutdownPrivilege", "\\BaseNamedObjects", "config.php", "POST ", " HTTP/1.1", "", "Host: ", "", "Connection: close", "", "Content-Length: ", "", "Cache-Control: no-cache", "", "Origin: http://", "", "User-Agent: Mozilla Firefox/4.0", "", "Content-Type: application/x-www-form-urlencoded", "", "Accept: */*", "", "Referer: http://", "", "Accept-Language: en-US", "", "Accept-Encoding: gzip, deflate", "", "dat=", "f-start", "audereventur.com", "huro14.com", "wwwjinsha155.com", "antiquevendor.com", "samuraisoulfood.net", "traffic4updates.download", "hypersarv.com", "rapport-happy-wedding.com", "rokutechnosupport.online", "allworljob.com", "hanaleedossmann.com", "kauai-marathon.com", "bepbosch.com", "kangen-international.com", "zoneshopemenowz.com", "belviderewrestling.com", "ipllink.com", "sellingforcreators.com", "wwwswty6655.com", "qtumboa.com", "bazarmoney.net", "librosdecienciaficcion.com", "shopmomsthebomb.com", "vanjacob.com", "tgyaa.com", "theporncollective.net", "hydrabadproperties.com", "brindesecologicos.com", "sayagayrimenkul.net", "4btoken.com", "shycedu.com", "overall789.top", "maison-pierre-bayle.com", "elitemediamasters.com", "sharmasfabrics.com", "hoshamp.com", "myultimateleadgenerator.com", "office4u.info", "thaimart1.com", "ultimatewindowusa.com", "twoblazesartworks.com", "airteloffer.com", "shoupaizhao.com", "741dakotadr.info", "books4arab.net", "artedelcioccolato.biz", "tjqcu.info", "teccoop.net", "maturebridesdressguide.com", "excelcapfunding.com", "bitcoinak.com", "profileorderflow.com", "unbelievabowboutique.com", "midlandshomesolutionsltd.com", "healthywithhook.com", "stirlingpiper.com", "manfast.online", "arikorin.com", "texastrustedinsurance.com", "moodandmystery.com", "yh77808.com", "s-immotanger.com", "runzexd.com", "meteoannecy.net", "f-end", "--------------------------------------------------", "Decrypted CnC URL", "--------------------------------------------------", "www.joomlas123.info/n7ak/\u0000"]}
Yara Overview |
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Dropped Files |
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Source | Rule | Description | Author | Strings |
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Methodology_Suspicious_Shortcut_Local_URL | Detects local script usage for .URL persistence | @itsreallynick (Nick Carr), @QW5kcmV3 (Andrew Thompson) |
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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 55 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 7 entries |
Sigma Overview |
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System Summary: |
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Sigma detected: Drops script at startup location | Show sources |
Source: | Author: Joe Security: |
Sigma detected: Steal Google chrome login data | 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: |