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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Clipboard Hijacker, Stealc, Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Clipboard Hijacker
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Searches for specific processes (likely to inject)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to create guard pages, often used to hinder reverse engineering and debugging
Contains functionality to dynamically determine API calls
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to record screenshots
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE / OLE file has an invalid certificate
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
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Suspicious Add Scheduled Task Parent
Sigma detected: Suspicious Schtasks From Env Var Folder
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
- file.exe (PID: 7660 cmdline:
"C:\Users\ user\Deskt op\file.ex e" MD5: 3B4A86E195CF96B1D60B303EBA6DEF01) - conhost.exe (PID: 7668 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - RegAsm.exe (PID: 7728 cmdline:
"C:\Window s\Microsof t.NET\Fram ework\v4.0 .30319\Reg Asm.exe" MD5: 0D5DF43AF2916F47D00C1573797C1A13) - cmd.exe (PID: 7864 cmdline:
"C:\Window s\system32 \cmd.exe" /c start " " "C:\Prog ramData\JK JDAEBFCB.e xe" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7872 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - JKJDAEBFCB.exe (PID: 7916 cmdline:
"C:\Progra mData\JKJD AEBFCB.exe " MD5: AF6E384DFABDAD52D43CF8429AD8779C) - schtasks.exe (PID: 8004 cmdline:
/C /create /F /sc mi nute /mo 1 /tn "Tele metry Logg ing" /tr " C:\Users\u ser\AppDat a\Roaming\ Microsoft\ Protect\oo beldr.exe" MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 8012 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- oobeldr.exe (PID: 8052 cmdline:
C:\Users\u ser\AppDat a\Roaming\ Microsoft\ Protect\oo beldr.exe MD5: AF6E384DFABDAD52D43CF8429AD8779C) - schtasks.exe (PID: 8096 cmdline:
/C /create /F /sc mi nute /mo 1 /tn "Tele metry Logg ing" /tr " C:\Users\u ser\AppDat a\Roaming\ Microsoft\ Protect\oo beldr.exe" MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 8104 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Stealc | Stealc is an information stealer advertised by its presumed developer Plymouth on Russian-speaking underground forums and sold as a Malware-as-a-Service since January 9, 2023. According to Plymouth's statement, stealc is a non-resident stealer with flexible data collection settings and its development is relied on other prominent stealers: Vidar, Raccoon, Mars and Redline.Stealc is written in C and uses WinAPI functions. It mainly targets date from web browsers, extensions and Desktop application of cryptocurrency wallets, and from other applications (messengers, email clients, etc.). The malware downloads 7 legitimate third-party DLLs to collect sensitive data from web browsers, including sqlite3.dll, nss3.dll, vcruntime140.dll, mozglue.dll, freebl3.dll, softokn3.dll and msvcp140.dll. It then exfiltrates the collected information file by file to its C2 server using HTTP POST requests. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Vidar | Vidar is a forked malware based on Arkei. It seems this stealer is one of the first that is grabbing information on 2FA Software and Tor Browser. | No Attribution |
{"C2 url": "http://45.152.113.10/92335b4816f77e90.php"}
{"C2 url": "http://45.152.113.10/92335b4816f77e90.php", "Botnet": "default"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc_1 | Yara detected Stealc | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_Clipbanker_f9f9e79d | unknown | unknown |
| |
Windows_Trojan_Clipbanker_787b130b | unknown | unknown |
| |
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
Windows_Trojan_Clipbanker_f9f9e79d | unknown | unknown |
| |
Windows_Trojan_Clipbanker_787b130b | unknown | unknown |
| |
Click to see the 5 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Clipboard_Hijacker | Yara detected Clipboard Hijacker | Joe Security | ||
Windows_Trojan_Clipbanker_f9f9e79d | unknown | unknown |
| |
Windows_Trojan_Clipbanker_787b130b | unknown | unknown |
| |
JoeSecurity_Clipboard_Hijacker | Yara detected Clipboard Hijacker | Joe Security | ||
Windows_Trojan_Clipbanker_f9f9e79d | unknown | unknown |
| |
Click to see the 1 entries |
System Summary |
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Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:12.604112+0200 | 2019714 | 2 | Potentially Bad Traffic | 192.168.2.4 | 49734 | 198.54.120.231 | 443 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:02.012613+0200 | 2044245 | 1 | Malware Command and Control Activity Detected | 45.152.113.10 | 80 | 192.168.2.4 | 49733 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:01.999501+0200 | 2044244 | 1 | Malware Command and Control Activity Detected | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:02.142321+0200 | 2044246 | 1 | Malware Command and Control Activity Detected | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:10.634097+0200 | 2044249 | 1 | Malware Command and Control Activity Detected | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:02.526421+0200 | 2044248 | 1 | Malware Command and Control Activity Detected | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:02.154089+0200 | 2044247 | 1 | Malware Command and Control Activity Detected | 45.152.113.10 | 80 | 192.168.2.4 | 49733 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:01.856225+0200 | 2044243 | 1 | Malware Command and Control Activity Detected | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-09-11T22:52:02.900393+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:05.304572+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:06.025144+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:06.723846+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:07.164817+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:08.739503+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:09.442036+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49733 | 45.152.113.10 | 80 | TCP |
2024-09-11T22:52:12.604112+0200 | 2803304 | 3 | Unknown Traffic | 192.168.2.4 | 49734 | 198.54.120.231 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: | ||
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Source: | ReversingLabs: | ||
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Source: | Integrated Neural Analysis Model: |
Source: | Code function: | 2_2_00409BB0 | |
Source: | Code function: | 2_2_00418940 | |
Source: | Code function: | 2_2_0040C660 | |
Source: | Code function: | 2_2_00407280 | |
Source: | Code function: | 2_2_00409B10 | |
Source: | Code function: | 2_2_6C946C80 | |
Source: | Code function: | 2_2_6CA9A9A0 |
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Source: | HTTPS traffic detected: |
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Source: | Code function: | 2_2_0040D8C0 | |
Source: | Code function: | 2_2_0040F4F0 | |
Source: | Code function: | 2_2_0040BCB0 | |
Source: | Code function: | 2_2_0040E270 | |
Source: | Code function: | 2_2_00401710 | |
Source: | Code function: | 2_2_004143F0 | |
Source: | Code function: | 2_2_0040DC50 | |
Source: | Code function: | 2_2_00414050 | |
Source: | Code function: | 2_2_004139B0 | |
Source: | Code function: | 2_2_0040EB60 | |
Source: | Code function: | 2_2_004133C0 |
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: | HTTP traffic detected: |