Edit tour
Windows
Analysis Report
5BQwrSLxIZ.exe
Overview
General Information
Sample name: | 5BQwrSLxIZ.exerenamed because original name is a hash value |
Original sample name: | 44d41fbeec6ac8aacec9b49e01d3b311.exe |
Analysis ID: | 1544785 |
MD5: | 44d41fbeec6ac8aacec9b49e01d3b311 |
SHA1: | e5f5af2ac534e3352a93f57dae44f684a118a2b9 |
SHA256: | ff0b6360bee72c4ef53aada8f58cdab6a212b165fbf11b5f4cbfe4b6d1ba46cb |
Tags: | exeStealcuser-abuse_ch |
Infos: | |
Detection
Stealc
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Stealc
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Machine Learning detection for sample
Monitors registry run keys for changes
Searches for specific processes (likely to inject)
Tries to harvest and steal browser information (history, passwords, etc)
AV process strings found (often used to terminate AV products)
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 query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Extensive use of GetProcAddress (often used to hide API calls)
Found dropped PE file which has not been started or loaded
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
One or more processes crash
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
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)
Uses insecure TLS / SSL version for HTTPS connection
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
- 5BQwrSLxIZ.exe (PID: 3056 cmdline:
"C:\Users\ user\Deskt op\5BQwrSL xIZ.exe" MD5: 44D41FBEEC6AC8AACEC9B49E01D3B311) - chrome.exe (PID: 2584 cmdline:
"C:\\Progr am Files\\ Google\\Ch rome\\Appl ication\\c hrome.exe" --remote- debugging- port=9229 --profile- directory= "Default" MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 6508 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 =2348 --fi eld-trial- handle=212 4,i,623430 9635475242 01,1215501 4114524219 740,262144 /prefetch :8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - msedge.exe (PID: 7668 cmdline:
"C:\\Progr am Files ( x86)\\Micr osoft\\Edg e\\Applica tion\\msed ge.exe" -- remote-deb ugging-por t=9229 --p rofile-dir ectory="De fault" MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 7888 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=27 88 --field -trial-han dle=2428,i ,841705329 9692469591 ,167959641 3748211287 5,262144 / prefetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F) - WerFault.exe (PID: 2292 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 3 056 -s 187 6 MD5: C31336C1EFC2CCB44B4326EA793040F2)
- msedge.exe (PID: 7900 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 9 --profil e-director y=Default --flag-swi tches-begi n --flag-s witches-en d --disabl e-nacl --d o-not-de-e levate MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 2212 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=95 2 --field- trial-hand le=2052,i, 5172159360 179937622, 2345701733 477799989, 262144 /pr efetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F)
- 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 |
{"C2 url": "http://45.88.76.238/3b55d279dd60140c.php", "Botnet": "LogsDiller"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc_1 | Yara detected Stealc | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
Windows_Trojan_Smokeloader_3687686f | unknown | unknown |
| |
Click to see the 4 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
JoeSecurity_Stealc | Yara detected Stealc | Joe Security | ||
Click to see the 1 entries |
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 |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:10.047969+0100 | 2044245 | 1 | Malware Command and Control Activity Detected | 45.88.76.238 | 80 | 192.168.2.5 | 49704 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:10.041337+0100 | 2044244 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49704 | 45.88.76.238 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:10.288555+0100 | 2044246 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49704 | 45.88.76.238 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:10.900621+0100 | 2044248 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49704 | 45.88.76.238 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:10.295937+0100 | 2044247 | 1 | Malware Command and Control Activity Detected | 45.88.76.238 | 80 | 192.168.2.5 | 49704 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:09.796846+0100 | 2044243 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49704 | 45.88.76.238 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-29T18:42:11.143845+0100 | 2803304 | 3 | Unknown Traffic | 192.168.2.5 | 49704 | 45.88.76.238 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Avira: |
Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Code function: | 0_2_0040A2B0 | |
Source: | Code function: | 0_2_00419030 | |
Source: | Code function: | 0_2_0040C920 | |
Source: | Code function: | 0_2_0040A210 | |
Source: | Code function: | 0_2_004072A0 | |
Source: | Code function: | 0_2_6C8BB040 |
Compliance |
---|
Source: | Unpacked PE file: |
Source: | Static PE information: |
Source: | HTTPS traffic detected: |
Source: | File opened: | Jump to behavior |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 0_2_0040E530 | |
Source: | Code function: | 0_2_0040BE40 | |
Source: | Code function: | 0_2_004140F0 | |
Source: | Code function: | 0_2_0040EE20 | |
Source: | Code function: | 0_2_00414B60 | |
Source: | Code function: | 0_2_00413B00 | |
Source: | Code function: | 0_2_0040DF10 | |
Source: | Code function: | 0_2_00401710 | |
Source: | Code function: | 0_2_004147C0 | |
Source: | Code function: | 0_2_0040DB80 | |
Source: | Code function: | 0_2_0040F7B0 | |
Source: | Code function: | 0_2_6C8F717D |
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 |
Source: | Memory has grown: |
Networking |
---|
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | URLs: |
Source: | HTTP traffic detected: |