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Windows
Analysis Report
E-dekont_pdf.exe
Overview
General Information
| Sample Name: | E-dekont_pdf.exe |
| Analysis ID: | 847920 |
| MD5: | 774ef0fcf3f7b089b008f54a5fafc6fd |
| SHA1: | bf79dd20705db222b4dfb303529d27f633618014 |
| SHA256: | e044ecf0f485711cc6e4e8bbd56819838787b2365893783b3794a969ce2b5aeb |
| Infos: |  |
 | |
Detection
FormBook, GuLoader
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
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)
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Yara detected GuLoader
Snort IDS alert for network traffic
Sample uses process hollowing technique
Maps a DLL or memory area into another process
Initial sample is a PE file and has a suspicious name
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Performs DNS queries to domains with low reputation
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Uses 32bit PE files
Yara signature match
Antivirus or Machine Learning detection for unpacked file
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
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
PE file does not import any functions
Sample file is different than original file name gathered from version info
Drops PE files
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
PE / OLE file has an invalid certificate
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 w10x64native
E-dekont_pdf.exe (PID: 1568 cmdline: C:\Users\u ser\Deskto p\E-dekont _pdf.exe MD5: 774EF0FCF3F7B089B008F54A5FAFC6FD) - E-dekont_pdf.exe (PID: 9712 cmdline:
C:\Users\u ser\Deskto p\E-dekont _pdf.exe MD5: 774EF0FCF3F7B089B008F54A5FAFC6FD) 
explorer.exe (PID: 4604 cmdline: C:\Windows \Explorer. EXE MD5: 5EA66FF5AE5612F921BC9DA23BAC95F7) 
colorcpl.exe (PID: 9852 cmdline: C:\Windows \SysWOW64\ colorcpl.e xe MD5: DB71E132EBF1FEB6E93E8A2A0F0C903D) 
cmd.exe (PID: 9880 cmdline: /c del "C: \Users\use r\Desktop\ E-dekont_p df.exe" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 9888 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 81CA40085FC75BABD2C91D18AA9FFA68)
- cleanup
| Name | Description | Attribution | Blogpost URLs | Link |
|---|---|---|---|---|
| Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
| Name | Description | Attribution | Blogpost URLs | Link |
|---|---|---|---|---|
| CloudEyE, GuLoader | CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored. | No Attribution |
{"C2 list": ["www.crosswalkconsulting.co.uk/mi94/"], "decoy": ["realdigitalmarketing.co.uk", "athle91.com", "zetuinteriors.africa", "jewelry2adore.biz", "sneakersuomo.com", "hotcoa.com", "bestpetfinds.com", "elatedfreedom.com", "louisegoulet.com", "licensescape.com", "jenniferfalconerrealtor.com", "xqan.net", "textare.net", "doctorlinkscsk.link", "bizformspro.com", "ameriealthcaritasfl.com", "hanfengmeiye.com", "anjin98.com", "credit-cards-54889.com", "dinero.news", "naijastudy.africa", "cursosweb22.online", "furniture-61686.com", "furniture-42269.com", "emiu6696.com", "herhustlenation.com", "kevinjasperinc.africa", "hear-aid-92727.com", "goodlifeprojectofficial.com", "freshteak.com", "bellvaniamail.com", "peterslawonline.com", "analogfair.com", "fornettobarbecues.com", "6880365.com", "couragetokingdom.com", "luivix.online", "3ay82.xyz", "tmcgroup.africa", "canadianbreederprogram.com", "funtime28.online", "customcarpentry.uk", "anotherworldrecord.com", "aux100000epices.com", "edelman-production.com", "honorproduct.com", "danuzioneto.com", "iltuosentiero.com", "healthinsurancearena.com", "hunterboots--canada.com", "irestoreart.com", "lapalmaaccesible.com", "khbmfbank.africa", "laxmi.digital", "leqidt.tax", "fluffyjet.online", "chuckclouds.com", "bril-kre-l25.buzz", "centracul.online", "legacyengravers.com", "guesstheword.net", "ded-morozvrn.online", "lemonga.com", "crrgbb.com"]}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
| JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
| Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
| Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
| Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
| Click to see the 20 entries | ||||
⊘No Sigma rule has matched
| Timestamp: | 192.168.11.20185.53.179.9049880802031412 04/17/23-09:04:06.968166 |
| SID: | 2031412 |
| Source Port: | 49880 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20188.114.96.349867802031449 04/17/23-09:00:59.237935 |
| SID: | 2031449 |
| Source Port: | 49867 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20185.53.179.9049861802031412 04/17/23-08:59:15.628217 |
| SID: | 2031412 |
| Source Port: | 49861 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20185.53.179.9049880802031453 04/17/23-09:04:06.968166 |
| SID: | 2031453 |
| Source Port: | 49880 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20185.53.179.9049880802031449 04/17/23-09:04:06.968166 |
| SID: | 2031449 |
| Source Port: | 49880 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20188.114.96.349867802031453 04/17/23-09:00:59.237935 |
| SID: | 2031453 |
| Source Port: | 49867 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20188.114.96.349867802031412 04/17/23-09:00:59.237935 |
| SID: | 2031412 |
| Source Port: | 49867 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20185.53.179.9049861802031449 04/17/23-08:59:15.628217 |
| SID: | 2031449 |
| Source Port: | 49861 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.2023.227.38.7449883802031453 04/17/23-09:05:05.047703 |
| SID: | 2031453 |
| Source Port: | 49883 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.20185.53.179.9049861802031453 04/17/23-08:59:15.628217 |
| SID: | 2031453 |
| Source Port: | 49861 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.2023.227.38.7449883802031449 04/17/23-09:05:05.047703 |
| SID: | 2031449 |
| Source Port: | 49883 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.2023.227.38.7449883802031412 04/17/23-09:05:05.047703 |
| SID: | 2031412 |
| Source Port: | 49883 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 192.168.11.2034.138.169.849851802018752 04/17/23-08:57:45.684694 |
| SID: | 2018752 |
| Source Port: | 49851 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |   |
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| Source: | Malware Configuration Extractor: | ||
| Source: | Virustotal: | Perma Link | ||
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| Source: | Registry value created: | Jump to behavior | ||
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| Source: | Code function: | 1_2_00405D74 | |
| Source: | Code function: | 1_2_0040699E | |
| Source: | Code function: | 1_2_0040290B | |
Networking | |
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| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
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| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
| Source: | Network Connect: | Jump to behavior | ||
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