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Windows
Analysis Report
DHLIN00178.exe
Overview
General Information
Detection
FormBook, GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
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
Yara detected GuLoader
Sample uses process hollowing technique
Tries to steal Mail credentials (via file / registry access)
Maps a DLL or memory area into another process
Writes to foreign memory regions
Tries to detect Any.run
Injects a PE file into a foreign processes
Yara detected Generic Downloader
Queues an APC in another process (thread injection)
Modifies the context of a thread in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Uses 32bit PE files
Yara signature match
Antivirus or Machine Learning detection for unpacked file
One or more processes crash
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
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
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
PE file contains executable resources (Code or Archives)
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Abnormal high CPU Usage
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
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
Contains functionality to read the PEB
Checks if the current process is being debugged
Binary contains a suspicious time stamp
PE / OLE file has an invalid certificate
PE file contains more sections than normal
Found large amount of non-executed APIs
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
- DHLIN00178.exe (PID: 3876 cmdline:
C:\Users\u ser\Deskto p\DHLIN001 78.exe MD5: 66FDF2DF4FC8601124DF76C284F797E1) - DHLIN00178.exe (PID: 1776 cmdline:
C:\Users\u ser\Deskto p\DHLIN001 78.exe MD5: 66FDF2DF4FC8601124DF76C284F797E1) - explorer.exe (PID: 4760 cmdline:
C:\Windows \Explorer. EXE MD5: 5EA66FF5AE5612F921BC9DA23BAC95F7) - cscript.exe (PID: 1912 cmdline:
C:\Windows \SysWOW64\ cscript.ex e MD5: 13783FF4A2B614D7FBD58F5EEBDEDEF6) - firefox.exe (PID: 5256 cmdline:
C:\Program Files\Moz illa Firef ox\Firefox .exe MD5: FA9F4FC5D7ECAB5A20BF7A9D1251C851) - WerFault.exe (PID: 2884 cmdline:
C:\Windows \system32\ WerFault.e xe -u -p 5 256 -s 284 MD5: 5C06542FED8EE68994D43938E7326D75)
- 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 |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GenericDownloader_1 | Yara detected Generic Downloader | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
JoeSecurity_FormBook_1 | 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 11 entries |
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
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