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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Amadey, DarkTortilla
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Amadeys stealer DLL
Yara detected DarkTortilla Crypter
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
PE file contains section with special chars
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks for debuggers (devices)
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 to query CPU information (cpuid)
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Creates job files (autostart)
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Entry point lies outside standard sections
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found evasive API chain (may stop execution after accessing registry keys)
Found inlined nop instructions (likely shell or obfuscated code)
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 an invalid checksum
PE file contains executable resources (Code or Archives)
PE file contains sections with non-standard names
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: Direct Autorun Keys Modification
Sigma detected: Potential Persistence Attempt Via Run Keys Using Reg.EXE
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Uses reg.exe to modify the Windows registry
Classification
- System is w10x64
- file.exe (PID: 3944 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 1E7539BA44850839FB406E206245244D) - axplong.exe (PID: 7032 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\44111d bc49\axplo ng.exe" MD5: 1E7539BA44850839FB406E206245244D)
- axplong.exe (PID: 6584 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\44111db c49\axplon g.exe MD5: 1E7539BA44850839FB406E206245244D)
- axplong.exe (PID: 4024 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\44111db c49\axplon g.exe MD5: 1E7539BA44850839FB406E206245244D) - neon.exe (PID: 6160 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\100035 6001\neon. exe" MD5: B3FD0E1003B1CD38402B6D32829F6135) - cmd.exe (PID: 5528 cmdline:
"cmd" /c p ing 127.0. 0.1 -n 7 > nul && RE G ADD "HKC U\Software \Microsoft \Windows\C urrentVers ion\Run" / f /v "neon " /t REG_S Z /d "C:\U sers\user\ AppData\Ro aming\Micr osoft\Wind ows\Start Menu\Progr ams\neon.e xe" MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 1272 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - PING.EXE (PID: 4368 cmdline:
ping 127.0 .0.1 -n 7 MD5: 2F46799D79D22AC72C241EC0322B011D) - reg.exe (PID: 6608 cmdline:
REG ADD "H KCU\Softwa re\Microso ft\Windows \CurrentVe rsion\Run" /f /v "ne on" /t REG _SZ /d "C: \Users\use r\AppData\ Roaming\Mi crosoft\Wi ndows\Star t Menu\Pro grams\neon .exe" MD5: 227F63E1D9008B36BDBCC4B397780BE4) - InstallUtil.exe (PID: 1644 cmdline:
"C:\Window s\Microsof t.NET\Fram ework64\v4 .0.30319\I nstallUtil .exe" MD5: 909A1D386235DD5F6BA61B91BA34119D)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Amadey | Amadey is a botnet that appeared around October 2018 and is being sold for about $500 on Russian-speaking hacking forums. It periodically sends information about the system and installed AV software to its C2 server and polls to receive orders from it. Its main functionality is that it can load other payloads (called "tasks") for all or specifically targeted computers compromised by the malware. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
DarkTortilla | DarkTortilla is a complex and highly configurable .NET-based crypter that has possibly been active since at least August 2015. It typically delivers popular information stealers and remote access trojans (RATs) such as AgentTesla, AsyncRat, NanoCore, and RedLine. While it appears to primarily deliver commodity malware, Secureworks Counter Threat Unit (CTU) researchers identified DarkTortilla samples delivering targeted payloads such as Cobalt Strike and Metasploit. It can also deliver "addon packages" such as additional malicious payloads, benign decoy documents, and executables. It features robust anti-analysis and anti-tamper controls that can make detection, analysis, and eradication challenging.From January 2021 through May 2022, an average of 93 unique DarkTortilla samples per week were uploaded to the VirusTotal analysis service. Code similarities suggest possible links between DarkTortilla and other malware: a crypter operated by the RATs Crew threat group, which was active between 2008 and 2012, and the Gameloader malware that emerged in 2021. | No Attribution |
{"C2 url": "185.215.113.16/Jo89Ku7d/index.php", "Version": "4.41", "Install Folder": "44111dbc49", "Install File": "axplong.exe"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
Click to see the 7 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_DarkTortilla | Yara detected DarkTortilla Crypter | Joe Security | ||
JoeSecurity_DarkTortilla | Yara detected DarkTortilla Crypter | Joe Security | ||
JoeSecurity_DarkTortilla | Yara detected DarkTortilla Crypter | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
JoeSecurity_Amadey_2 | Yara detected Amadey\'s stealer DLL | Joe Security | ||
Click to see the 3 entries |
System Summary |
---|
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, oscd.community: |
Source: | Author: Florian Roth (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-26T21:33:09.123262+0200 | 2856121 | 1 | A Network Trojan was detected | 192.168.2.5 | 49714 | 185.215.113.16 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-26T21:33:03.826817+0200 | 2856147 | 1 | A Network Trojan was detected | 192.168.2.5 | 49713 | 185.215.113.16 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-26T21:33:04.112053+0200 | 2856122 | 1 | A Network Trojan was detected | 185.215.113.16 | 80 | 192.168.2.5 | 49713 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-26T21:33:04.334859+0200 | 2803305 | 3 | Unknown Traffic | 192.168.2.5 | 49713 | 185.215.113.16 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Static PE information: |
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Source: | Code function: | 14_2_03200960 | |
Source: | Code function: | 14_2_0320094F | |
Source: | Code function: | 15_2_010E0960 | |
Source: | Code function: | 15_2_010E094F |
Networking |
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