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Windows
Analysis Report
ob4eL9Z1O4.exe
Overview
General Information
Sample name: | ob4eL9Z1O4.exerenamed because original name is a hash value |
Original sample name: | ba813010ef7e3c329fd33a38a205fe92.exe |
Analysis ID: | 1578957 |
MD5: | ba813010ef7e3c329fd33a38a205fe92 |
SHA1: | 04188858d6357f0fca9486c342e232560f31d748 |
SHA256: | 3cc1d883f9449d83c24cc3b3ade93d13480830b366aba40e7dc4586cc0fdf3c9 |
Tags: | exeuser-abuse_ch |
Infos: | |
Detection
Cryptbot
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Cryptbot
AI detected suspicious sample
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
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 (process name or module or function)
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)
AV process strings found (often used to terminate AV products)
Checks for debuggers (devices)
Checks if the current process is being debugged
Contains capabilities to detect virtual machines
Entry point lies outside standard sections
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
One or more processes crash
PE file contains an invalid checksum
PE file contains sections with non-standard names
Queries information about the installed CPU (vendor, model number etc)
Queries the volume information (name, serial number etc) of a device
Sigma detected: Browser Started with Remote Debugging
Stores files to the Windows start menu directory
Uses 32bit PE files
Uses insecure TLS / SSL version for HTTPS connection
Classification
- System is w10x64
- ob4eL9Z1O4.exe (PID: 1944 cmdline:
"C:\Users\ user\Deskt op\ob4eL9Z 1O4.exe" MD5: BA813010EF7E3C329FD33A38A205FE92) - chrome.exe (PID: 1872 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9222 --pro file-direc tory="Defa ult" MD5: 5BBFA6CBDF4C254EB368D534F9E23C92) - chrome.exe (PID: 7156 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --ty pe=utility --utility -sub-type= network.mo jom.Networ kService - -lang=en-U S --servic e-sandbox- type=none --mojo-pla tform-chan nel-handle =2628 --fi eld-trial- handle=246 8,i,925667 3116087293 222,155143 1076423714 4454,26214 4 /prefetc h:8 MD5: 5BBFA6CBDF4C254EB368D534F9E23C92) - WerFault.exe (PID: 3372 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 1 944 -s 122 0 MD5: C31336C1EFC2CCB44B4326EA793040F2)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
CryptBot | A typical infostealer, capable of obtaining credentials for browsers, crypto currency wallets, browser cookies, credit cards, and creates screenshots of the infected system. All stolen data is bundled into a zip-file that is uploaded to the c2. | No Attribution |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Cryptbot | Yara detected Cryptbot | Joe Security |
System Summary |
---|
Source: | Author: pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-20T17:06:48.103696+0100 | 2054350 | 1 | A Network Trojan was detected | 192.168.2.9 | 49713 | 147.45.113.159 | 80 | TCP |
2024-12-20T17:06:49.794955+0100 | 2054350 | 1 | A Network Trojan was detected | 192.168.2.9 | 49714 | 147.45.113.159 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Binary or memory string: | memstr_c824a526-9 |
Source: | Static PE information: |
Source: | HTTPS traffic detected: |
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior |
Networking |
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Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |